18947942496

Names of 18947942496

• Cardinal: 18947942496 can be written as Eighteen billion, nine hundred forty-seven million, nine hundred forty-two thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 1.8947942496 × 10¹⁰

Factors of 18947942496

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 235

Divisors of 18947942496

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 81 84 96 98 108 112 126 144 147 162 168 189 196 216 223 224 243 252 288 294 324 336 378 392 432 441 446 486 504 567 588 648 669 672 756 784 864 882 892 972 1008 1134 1176 1296 1323 1338 1512 1561 1568 1701 1764 1784 1944 2007 2016 2268 2352 2592 2646 2676 3024 3122 3402 3528 3568 3888 3969 4014 4536 4683 4704 5292 5352 6021 6048 6244 6804 7056 7136 7776 7938 8028 9072 9366 10584 10704 10927 11907 12042 12488 13608 14049 14112 15876 16056 18063 18144 18732 21168 21408 21854 23814 24084 24976 27216 28098 31752 32112 32781 36126 37464 42147 42336 43708 47628 48168 49729 49952 54189 54432 56196 63504 64224 65562 72252 74928 84294 87416 95256 96336 98343 99458 108378 112392 126441 127008 131124 144504 149187 149856 168588 174832 190512 192672 196686 198916 216756 224784 252882 262248 289008 295029 298374 337176 348103 349664 379323 381024 393372 397832 433512 447561 449568 505764 524496 578016 590058 596748 674352 696206 758646 786744 795664 867024 885087 895122 1011528 1044309 1048992 1180116 1193496 1342683 1348704 1392412 1517292 1573488 1591328 1734048 1770174 1790244 2023056 2088618 2360232 2386992 2436721 2655261 2685366 2784824 3034584 3132927 3146976 3540348 3580488 4028049 4046112 4177236 4720464 4773984 4873442 5310522 5370732 5569648 6069168 6265854 7080696 7160976 7310163 8056098 8354472 9398781 9440928 9746884 10621044 10741464 11139296 12084147 12138336 12531708 14161392 14321952 14620326 16112196 16708944 18797562 19493768 21242088 21482928 21930489 24168294 25063416 28196343 28322784 29240652 32224392 33417888 37595124 38987536 42484176 42965856 43860978 48336588 50126832 56392686 58481304 64448784 65791467 75190248 77975072 84589029 84968352 87721956 96673176 100253664 112785372 116962608 128897568 131582934 150380496 169178058 175443912 193346352 197374401 225570744 233925216 263165868 300760992 338356116 350887824 386692704 394748802 451141488 526331736 592123203 676712232 701775648 789497604 902282976 1052663472 1184246406 1353424464 1578995208 2105326944 2368492812 2706848928 3157990416 4736985624 6315980832 9473971248 18947942496
• Sum of all divisors σ(n): 65294765172
• Sum of proper divisors (its aliquot sum) s(n): 46346822676
• 18947942496 is an abundant number, because the sum of its proper divisors (46346822676) is greater than itself. Its abundance is 27398880180

Bases of 18947942496

• Binary: 10001101001011000101010100001100000₂
• Hexadecimal: 0x46962A860
• Base-36: 8PD4600

Squares and roots of 18947942496

• 18947942496 squared (18947942496²) is 359024524831722710016
• 18947942496 cubed (18947942496³) is 6802776051165205986000451239936
• The square root of 18947942496 is 137651.5255854435
• The cube root of 18947942496 is 2665.9623962953

Scales and comparisons

• 18,947,942,496 seconds is equal to 602 years, 25 weeks, 1 day, 21 hours, 21 minutes, 36 seconds.
• To count from 1 to 18,947,942,496 would take you about one thousand, two 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 18947942496 cubic inches would be around 222.2 feet tall.

Recreational maths with 18947942496

• 18947942496 backwards is 69424974981
• 18947942496 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18947942496's digits is 63
• More coming soon!