640916011008

Names of 640916011008

• Cardinal: 640916011008 can be written as Six hundred forty billion, nine hundred sixteen million, eleven thousand and eight.

Scientific notation

• Scientific notation: 6.40916011008 × 10¹¹

Factors of 640916011008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 61

Divisors of 640916011008

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 19 21 24 26 28 32 34 36 38 39 42 48 49 51 52 56 57 63 64 68 72 76 78 84 91 96 98 102 104 112 114 117 119 126 128 133 136 144 147 152 153 156 168 169 171 182 192 196 204 208 221 224 228 234 238 247 252 256 266 272 273 288 294 304 306 312 323 336 338 342 357 364 384 392 399 408 416 441 442 448 456 468 476 494 504 507 512 532 544 546 576 588 608 612 624 637 646 663 672 676 684 714 728 741 768 784 798 816 819 832 833 882 884 896 912 931 936 952 969 988 1008 1014 1024 1064 1071 1088 1092 1152 1176 1183 1197 1216 1224 1248 1274 1292 1326 1344 1352 1368 1428 1456 1482 1521 1536 1547 1568 1596 1632 1638 1664 1666 1729 1764 1768 1792 1824 1862 1872 1904 1911 1938 1976 1989 2016 2028 2048 2128 2142 2176 2184 2197 2223 2261 2304 2352 2366 2394 2432 2448 2496 2499 2548 2584 2652 2688 2704 2736 2793 2856 2873 2907 2912 2964 3042 3072 3094 3136 3192 3211 3264 3276 3328 3332 3458 3528 3536 3549 3584 3648 3724 3744 3808 3822 3876 3952 3978 4032 4056 4199 4256 4284 4352 4368 4394 4446 4522 4608 4641 4704 4732 4788 4864 4896 4992 4998 5096 5168 5187 5304 5376 5408 5472 5586 5712 5733 5746 5814 5824 5928 6084 6144 6188 6272 6384 6422 6528 6552 6591 6656 6664 6783 6916 7056 7072 7098 7168 7296 7448 7488 7497 7616 7644 7752 7904 7956 8064 8112 8281 8379 8398 8512 8568 8619 8704 8736 8788 8892 9044 9216 9282 9408 9464 9576 9633 9728 9792 9984 9996 10192 10336 10374 10608 10647 10752 10816 10829 10944 11172 11424 11466 11492 11628 11648 11856 12103 12168 12376 12544 12597 12768 12844 13056 13104 13182 13312 13328 13566 13832 13923 14112 14144 14196 14336 14592 14896 14976 14994 15232 15288 15379 15504 15561 15808 15827 15912 16128 16224 16562 16758 16796 17024 17136 17238 17408 17472 17576 17784 18088 18432 18564 18816 18928 19152 19266 19456 19584 19773 19968 19992 20111 20349 20384 20672 20748 21216 21294 21504 21632 21658 21888 22344 22477 22848 22932 22984 23256 23296 23712 24206 24336 24752 24843 25088 25194 25536 25688 25857 26112 26208 26364 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• Sum of all divisors σ(n): 2599869636000
• Sum of proper divisors (its aliquot sum) s(n): 1958953624992
• 640916011008 is an abundant number, because the sum of its proper divisors (1958953624992) is greater than itself. Its abundance is 1318037613984

Bases of 640916011008

• Binary: 1001010100111001100100100011100000000000₂
• Hexadecimal: 0x9539923800
• Base-36: 86FKUF40

Squares and roots of 640916011008

• 640916011008 squared (640916011008²) is 410773333166406777176064
• 640916011008 cubed (640916011008³) is 263271206121473617496380037778112512
• The square root of 640916011008 is 800572.3021738887
• The cube root of 640916011008 is 8621.8482291097

Scales and comparisons

• 640,916,011,008 seconds is equal to 20,379 years, 7 weeks, 4 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 640,916,011,008 would take you about forty thousand, seven hundred fifty-eight 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 640916011008 cubic inches would be around 718.5 feet tall.

Recreational maths with 640916011008

• 640916011008 backwards is 800110619046
• 640916011008 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640916011008's digits is 36
• More coming soon!