 # 10000000 (number)

Updated on
Covid-19
 Cardinal  Ten millionRoman numeral  X Factorization  2 · 5Greek prefix  hebdo- Ordinal  10000000th (ten millionth)Binary  1001100010010110100000002

Ten million (10,000,000) is the natural number following 9,999,999 and preceding 10,000,001.

In scientific notation, it is written as 107.

In South Asia, it is known as the crore.

## Selected 8-digit numbers (10,000,001–99,999,999)

• 10077696 = 69
• 10609137 – Leyland number
• 11111111 – repunit
• 11436171 – Keith number
• 11485154 – Markov number
• 11881376 = 265
• 12960000 = 604, (3·4·5)4, Plato's "nuptial number" (Republic VIII; see regular number)
• 12648430 – hexadecimal C0FFEE, resembling the word "coffee"; used as a placeholder in computer programming, see hexspeak.
• 12988816 = the number of different ways of covering an 8-by-8 square with 32 1-by-2 dominoes
• 13782649 – Markov number
• 11390625 = 156
• 14348907 = 315
• 14352282 – Leyland number
• 14930352 – Fibonacci number
• 15485863 – 1,000,000th prime number
• 15994428 – Pell number
• 16609837 – Markov number
• 16769023 – Carol prime and an emirp
• 16777216 = 224 – hexadecimal "million" (0x1000000), number of possible colors in 24/32-bit Truecolor computer graphics
• 16777792 – Leyland number
• 16785407 – Kynea number
• 16797952 – Leyland number
• 16964653 – Markov number
• 17210368 = 285
• 17650828 = 11 + 22 + 33 + 44 + 55 + 66 + 77 + 88
• 18199284 – Motzkin number
• 19487171 = 117
• 19680277 – Wedderburn-Etherington number
• 19987816 – palindromic in 3 consecutive bases: 41AAA1413, 292429214, 1B4C4B115
• 20031170 – Markov number
• 20511149 = 295
• 21531778 – Markov number
• 21621600 – colossally abundant number, superior highly composite number
• 22222222 – repdigit
• 24137569 = 176
• 24157817 – Fibonacci number, Markov number
• 24300000 = 305
• 24678050 – equal to the sum of the eighth powers of its digits
• 27644437 – Bell number
• 28629151 = 315
• 31536000 – standard number of seconds in a non-leap year (omitting leap seconds)
• 31622400 – standard number of seconds in a leap year (omitting leap seconds)
• 33333333 – repdigit
• 33445755 – Keith number
• 33550336 – fifth perfect number
• 33554432 = 225 – Leyland number
• 33555057 – Leyland number
• 34012224 = 186
• 35831808 = 127
• 36614981 – alternating factorial
• 38613965 – Pell number, Markov number
• 39088169 – Fibonacci number
• 39135393 = 335
• 39916800 = 11!
• 39916801 – factorial prime
• 40353607 = 79
• 43046721 = 316
• 43050817 – Leyland number
• 43112609 – Mersenne prime exponent
• 43443858 – palindromic in 3 consecutive bases: 3C323C315, 296E69216, 1DA2AD117
• 43484701 – Markov number
• 44121607 – Keith number
• 44444444 – repdigit
• 45136576 – Leyland number
• 45435424 = 345
• 46026618 – Wedderburn-Etherington number
• 46656000 = 3603
• 47045881 = 196
• 48828125 = 511
• 48928105 – Markov number
• 48989176 – Leyland number
• 50852019 – Motzkin number
• 52521875 = 355
• 55555555 – repdigit
• 60466176 – 610
• 61466176 – Leyland number
• 62748517 = 137
• 63245986 – Fibonacci number, Markov number
• 64000000 = 206 – vigesimal "million" (1 alau in Mayan, 1 poaltzonxiquipilli in Nahuatl)
• 66666666 – repdigit
• 67092479 – Carol number
• 67108864 = 226
• 67109540 – Leyland number
• 67125247 – Kynea number
• 67137425 – Leyland number
• 69343957 = 375
• 73939133 – the largest prime number that can be 'tailed' again and again by removing its last digit to produce only primes
• 77777777 – repdigit
• 78442645 – Markov number
• 79235168 = 385
• 85766121 – 216
• 87539319 – taxicab number
• 88888888 – repdigit
• 90224199 = 395
• 93222358 – Pell number
• 94418953 – Markov number
• 99999989 - Greatest prime number with 8 digits
• 99999999 – repdigit, Friedman number, believed to be smallest number to be both repdigit and Friedman

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