640796795550

Names of 640796795550

• Cardinal: 640796795550 can be written as Six hundred forty billion, seven hundred ninety-six million, seven hundred ninety-five thousand, five hundred fifty.

Scientific notation

• Scientific notation: 6.4079679555 × 10¹¹

Factors of 640796795550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 778

Divisors of 640796795550

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 25 27 30 34 45 50 51 54 75 81 85 90 102 135 150 153 162 170 225 243 255 270 289 306 405 425 450 459 486 510 578 675 729 751 765 810 850 867 918 1215 1275 1350 1377 1445 1458 1502 1530 1734 2025 2187 2253 2295 2430 2550 2601 2754 2890 3645 3755 3825 4050 4131 4335 4374 4506 4590 5202 6075 6561 6759 6885 7225 7290 7510 7650 7803 8262 8670 10935 11265 11475 12150 12393 12767 13005 13122 13518 13770 14450 15606 18225 18775 19683 20277 20655 21675 21870 22530 22950 23409 24786 25534 26010 32805 33795 34425 36450 37179 37550 38301 39015 39366 40554 41310 43350 46818 54675 56325 59049 60831 61965 63835 65025 65610 67590 68850 70227 74358 76602 78030 98415 101385 103275 109350 111537 112650 114903 117045 118098 121662 123930 127670 130050 140454 164025 168975 182493 185895 191505 195075 196830 202770 206550 210681 217039 223074 229806 234090 295245 304155 309825 319175 328050 334611 337950 344709 351135 364986 371790 383010 390150 421362 434078 492075 506925 547479 557685 574515 585225 590490 608310 619650 632043 638350 651117 669222 689418 702270 912465 929475 957525 984150 1003833 1013850 1034127 1053405 1085195 1094958 1115370 1149030 1170450 1264086 1302234 1476225 1520775 1642437 1673055 1723545 1755675 1824930 1858950 1896129 1915050 1953351 2007666 2068254 2106810 2170390 2737395 2788425 2872575 2952450 3041550 3102381 3160215 3255585 3284874 3346110 3447090 3511350 3792258 3906702 4562325 4927311 5019165 5170635 5267025 5425975 5474790 5576850 5688387 5745150 5860053 6204762 6320430 6511170 8212185 8365275 8617725 9124650 9307143 9480645 9766755 9854622 10038330 10341270 10534050 10851950 11376774 11720106 13686975 14781933 15511905 15801075 16277925 16424370 16730550 17065161 17235450 17580159 18614286 18961290 19533510 24636555 25095825 25853175 27373950 27921429 28441935 29300265 29563866 31023810 31602150 32555850 34130322 35160318 41060925 44345799 46535715 47403225 48833775 49273110 50191650 51706350 52740477 55842858 56883870 58600530 73909665 77559525 82121850 83764287 85325805 87900795 88691598 93071430 94806450 97667550 105480954 123182775 139607145 142209675 146501325 147819330 155119050 158221431 167528574 170651610 175801590 221728995 232678575 246365550 251292861 263702385 279214290 284419350 293002650 316442862 369548325 418821435 426629025 439503975 443457990 465357150 474664293 502585722 527404770 698035725 739096650 753878583 791107155 837642870 853258050 879007950 949328586 1108644975 1256464305 1318511925 1396071450 1423992879 1507757166 1582214310 2094107175 2217289950 2373321465 2512928610 2637023850 2847985758 3769392915 3955535775 4188214350 4271978637 4746642930 6282321525 7119964395 7538785830 7911071550 8543957274 11866607325 12564643050 12815935911 14239928790 18846964575 21359893185 23733214650 25631871822 35599821975 37693929150 42719786370 64079679555 71199643950 106799465925 128159359110 213598931850 320398397775 640796795550
• Sum of all divisors σ(n): 1901693487696
• Sum of proper divisors (its aliquot sum) s(n): 1260896692146
• 640796795550 is an abundant number, because the sum of its proper divisors (1260896692146) is greater than itself. Its abundance is 620099896596

Bases of 640796795550

• Binary: 1001010100110010011101110010001010011110₂
• Hexadecimal: 0x953277229E
• Base-36: 86DLV7VI

Squares and roots of 640796795550

• 640796795550 squared (640796795550²) is 410620533187148499802500
• 640796795550 cubed (640796795550³) is 263124321853357187115431807878875000
• The square root of 640796795550 is 800497.8423143937
• The cube root of 640796795550 is 8621.3136185917

Scales and comparisons

• 640,796,795,550 seconds is equal to 20,375 years, 18 weeks, 3 days, 13 hours, 52 minutes, 30 seconds.
• To count from 1 to 640,796,795,550 would take you about forty thousand, seven hundred fifty 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 640796795550 cubic inches would be around 718.4 feet tall.

Recreational maths with 640796795550

• 640796795550 backwards is 055597697046
• The number of decimal digits it has is: 12
• The sum of 640796795550's digits is 63
• More coming soon!