40393945872

Names of 40393945872

• Cardinal: 40393945872 can be written as Forty billion, three hundred ninety-three million, nine hundred forty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 4.0393945872 × 10¹⁰

Factors of 40393945872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 853

Divisors of 40393945872

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 41 42 48 56 62 63 72 82 84 93 112 123 124 126 144 164 168 186 217 246 248 252 279 287 328 336 369 372 434 492 496 504 558 574 651 656 738 744 769 861 868 984 1008 1116 1148 1271 1302 1476 1488 1538 1681 1722 1736 1953 1968 2232 2296 2307 2542 2583 2604 2952 3076 3362 3444 3472 3813 3906 4464 4592 4614 5043 5084 5166 5208 5383 5904 6152 6724 6888 6921 7626 7812 8897 9228 10086 10168 10332 10416 10766 11439 11767 12304 13448 13776 13842 15129 15252 15624 16149 17794 18456 20172 20336 20664 21532 22878 23534 23839 26691 26896 27684 30258 30504 31248 31529 32298 35301 35588 36912 40344 41328 43064 45756 47068 47678 48447 52111 53382 55368 60516 61008 63058 64596 70602 71176 71517 80073 80688 86128 91512 94136 94587 95356 96894 104222 105903 106764 110736 121032 126116 129192 141204 142352 143034 156333 160146 166873 183024 188272 189174 190712 193788 208444 211806 213528 214551 220703 242064 252232 258384 282408 283761 286068 312666 320292 333746 364777 378348 381424 387576 416888 423612 427056 429102 441406 468999 500619 504464 564816 567522 572136 625332 640584 662109 667492 729554 756696 775152 833776 847224 858204 882812 937998 977399 1001238 1094331 1135044 1144272 1250664 1281168 1292689 1324218 1334984 1459108 1501857 1513392 1694448 1716408 1765624 1875996 1954798 1986327 2002476 2188662 2270088 2501328 2585378 2648436 2669968 2918216 2932197 3003714 3282993 3432816 3531248 3751992 3878067 3909596 3972654 4004952 4377324 4540176 5170756 5296872 5836432 5864394 6007428 6565986 6841793 7503984 7756134 7819192 7945308 8009904 8754648 8796591 9048823 10341512 10593744 11634201 11728788 12014856 13131972 13683586 15512268 15638384 15890616 17509296 17593182 18097646 20525379 20683024 23268402 23457576 24029712 26263944 27146469 27367172 31024536 31781232 35186364 36195292 40073359 41050758 46536804 46915152 52527888 54292938 54734344 61576137 62049072 70372728 72390584 80146718 81439407 82101516 93073608 108585876 109468688 120220077 123152274 140745456 144781168 160293436 162878814 164203032 186147216 217171752 240440154 246304548 280513513 320586872 325757628 328406064 360660231 434343504 480880308 492609096 561027026 641173744 651515256 721320462 841540539 961760616 985218192 1122054052 1303030512 1442640924 1683081078 1923521232 2244108104 2524621617 2885281848 3366162156 4488216208 5049243234 5770563696 6732324312 10098486468 13464648624 20196972936 40393945872
• Sum of all divisors σ(n): 136874017280
• Sum of proper divisors (its aliquot sum) s(n): 96480071408
• 40393945872 is an abundant number, because the sum of its proper divisors (96480071408) is greater than itself. Its abundance is 56086125536

Bases of 40393945872

• Binary: 100101100111101010101011001100010000₂
• Hexadecimal: 0x967AAB310
• Base-36: IK1IG40

Squares and roots of 40393945872

• 40393945872 squared (40393945872²) is 1631670863110065840384
• 40393945872 cubed (40393945872³) is 65909624525387521134827487694848
• The square root of 40393945872 is 200982.4516518793
• The cube root of 40393945872 is 3431.1425352271

Scales and comparisons

• 40,393,945,872 seconds is equal to 1,284 years, 20 weeks, 6 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 40,393,945,872 would take you about two thousand, five hundred sixty-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 40393945872 cubic inches would be around 285.9 feet tall.

Recreational maths with 40393945872

• 40393945872 backwards is 27854939304
• The number of decimal digits it has is: 11
• The sum of 40393945872's digits is 54
• More coming soon!