12938818464

Names of 12938818464

• Cardinal: 12938818464 can be written as Twelve billion, nine hundred thirty-eight million, eight hundred eighteen thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.2938818464 × 10¹⁰

Factors of 12938818464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 29

Divisors of 12938818464

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 66 72 78 88 96 99 104 117 121 132 143 144 156 169 176 198 208 234 242 264 286 288 312 338 352 363 396 416 429 468 484 507 528 572 624 676 726 792 858 936 968 1014 1056 1089 1144 1248 1287 1352 1452 1521 1573 1584 1716 1859 1872 1936 2028 2178 2197 2288 2574 2704 2904 3042 3146 3168 3432 3718 3744 3872 4056 4356 4394 4576 4719 5148 5408 5577 5808 6084 6292 6591 6864 7436 8112 8712 8788 9438 10296 11154 11616 12168 12584 13182 13728 14157 14872 16224 16731 17424 17576 18876 19773 20449 20592 22308 24167 24336 25168 26364 28314 28561 29744 33462 34848 35152 37752 39546 40898 41184 44616 48334 48672 50336 52728 56628 57122 59488 61347 66924 70304 72501 75504 79092 81796 85683 89232 96668 105456 113256 114244 122694 133848 145002 151008 158184 163592 171366 178464 184041 193336 210912 217503 226512 228488 245388 257049 265837 267696 290004 314171 316368 327184 342732 368082 371293 386672 435006 453024 456976 490776 514098 531674 535392 580008 628342 632736 654368 685464 736164 742586 773344 797511 870012 913952 942513 981552 1028196 1063348 1113879 1160016 1256684 1370928 1472328 1485172 1595022 1740024 1885026 1963104 2056392 2126696 2227758 2320032 2392533 2513368 2741856 2827539 2944656 2970344 3190044 3341637 3455881 3480048 3770052 4084223 4112784 4253392 4455516 4785066 5026736 5655078 5889312 5940688 6380088 6683274 6911762 6960096 7540104 8168446 8225568 8506784 8911032 9570132 10053472 10367643 11310156 11881376 12252669 12760176 13366548 13823524 15080208 16336892 17822064 19140264 20735286 22620312 24505338 25520352 26733096 27647048 30160416 31102929 32673784 35644128 36758007 38280528 41470572 44926453 45240624 49010676 53466192 55294096 62205858 65347568 73516014 76561056 82941144 89852906 90481248 98021352 106932384 110588192 124411716 130695136 134779359 147032028 165882288 179705812 196042704 248823432 269558718 294064056 331764576 359411624 392085408 404338077 497646864 539117436 588128112 718823248 808676154 995293728 1078234872 1176256224 1437646496 1617352308 2156469744 3234704616 4312939488 6469409232 12938818464
• Sum of all divisors σ(n): 43814142918
• Sum of proper divisors (its aliquot sum) s(n): 30875324454
• 12938818464 is an abundant number, because the sum of its proper divisors (30875324454) is greater than itself. Its abundance is 17936505990

Bases of 12938818464

• Binary: 1100000011001101101011001110100000₂
• Hexadecimal: 0x30336B3A0
• Base-36: 5XZFS80

Squares and roots of 12938818464

• 12938818464 squared (12938818464²) is 167413023244347319296
• 12938818464 cubed (12938818464³) is 2166126716268022278535988281344
• The square root of 12938818464 is 113748.9273092279
• The cube root of 12938818464 is 2347.6402123753

Scales and comparisons

• 12,938,818,464 seconds is equal to 411 years, 21 weeks, 3 days, 20 hours, 14 minutes, 24 seconds.
• To count from 1 to 12,938,818,464 would take you about eight hundred twenty-two 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 12938818464 cubic inches would be around 195.6 feet tall.

Recreational maths with 12938818464

• 12938818464 backwards is 46481883921
• The number of decimal digits it has is: 11
• The sum of 12938818464's digits is 54
• More coming soon!