1640874816

Names of 1640874816

• Cardinal: 1640874816 can be written as One billion, six hundred forty million, eight hundred seventy-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.640874816 × 10⁹

Factors of 1640874816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 713

Divisors of 1640874816

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 37 42 48 51 56 63 64 68 72 74 84 96 102 111 112 119 126 136 144 148 153 168 192 204 222 224 238 252 259 272 288 296 306 333 336 357 408 444 448 476 504 518 544 576 592 612 629 647 666 672 714 777 816 888 952 1008 1036 1071 1088 1184 1224 1258 1294 1332 1344 1428 1554 1632 1776 1887 1904 1941 2016 2072 2142 2331 2368 2448 2516 2588 2664 2856 3108 3264 3552 3774 3808 3882 4032 4144 4284 4403 4529 4662 4896 5032 5176 5328 5661 5712 5823 6216 7104 7548 7616 7764 8288 8568 8806 9058 9324 9792 10064 10352 10656 10999 11322 11424 11646 12432 13209 13587 15096 15528 16576 17136 17612 18116 18648 20128 20704 21312 21998 22644 22848 23292 23939 24864 26418 27174 30192 31056 32997 34272 35224 36232 37296 39627 40256 40761 41408 43996 45288 46584 47878 49728 52836 54348 60384 62112 65994 68544 70448 71817 72464 74592 76993 79254 81522 87992 90576 93168 95756 98991 105672 108696 120768 124224 131988 140896 143634 144928 149184 153986 158508 163044 167573 175984 181152 186336 191512 197982 211344 215451 217392 230979 263976 281792 287268 289856 307972 317016 326088 335146 351968 362304 372672 383024 395964 406963 422688 430902 434784 461958 502719 527952 574536 615944 634032 652176 670292 692937 703936 766048 791928 813926 845376 861804 869568 923916 1005438 1055904 1149072 1220889 1231888 1268064 1304352 1340584 1385874 1508157 1532096 1583856 1627852 1723608 1847832 2010876 2111808 2298144 2441778 2463776 2536128 2608704 2681168 2771748 2848741 3016314 3167712 3255704 3447216 3662667 3695664 4021752 4596288 4883556 4927552 5362336 5543496 5697482 6032628 6335424 6511408 6894432 7325334 7391328 8043504 8546223 9767112 10724672 11086992 11394964 12065256 13022816 13788864 14650668 14782656 16087008 17092446 19534224 22173984 22789928 24130512 25638669 26045632 29301336 32174016 34184892 39068448 44347968 45579856 48261024 51277338 58602672 68369784 78136896 91159712 96522048 102554676 117205344 136739568 182319424 205109352 234410688 273479136 410218704 546958272 820437408 1640874816
• Sum of all divisors σ(n): 5854208256
• Sum of proper divisors (its aliquot sum) s(n): 4213333440
• 1640874816 is an abundant number, because the sum of its proper divisors (4213333440) is greater than itself. Its abundance is 2572458624

Bases of 1640874816

• Binary: 1100001110011011100001101000000₂
• Hexadecimal: 0x61CDC340
• Base-36: R4XN40

Squares and roots of 1640874816

• 1640874816 squared (1640874816²) is 2692470161783033856
• 1640874816 cubed (1640874816³) is 4418006481301225910385770496
• The square root of 1640874816 is 40507.7130433205
• The cube root of 1640874816 is 1179.4833551743

Scales and comparisons

• 1,640,874,816 seconds is equal to 52 years, 9 weeks, 14 hours, 33 minutes, 36 seconds.
• To count from 1 to 1,640,874,816 would take you about one hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1640874816 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640874816

• 1640874816 backwards is 6184780461
• The number of decimal digits it has is: 10
• The sum of 1640874816's digits is 45
• More coming soon!