18197914581015

Names of 18197914581015

• Cardinal: 18197914581015 can be written as Eighteen trillion, one hundred ninety-seven billion, nine hundred fourteen million, five hundred eighty-one thousand and fifteen.

Scientific notation

• Scientific notation: 1.8197914581015 × 10¹³

Factors of 18197914581015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 653

Divisors of 18197914581015

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 13 15 39 65 169 193 195 439 507 579 845 965 1317 2195 2509 2535 2895 5707 6585 7527 12545 17121 28535 32617 37249 37635 74191 84727 85605 97851 111747 163085 186245 192721 222573 254181 370955 423635 484237 489255 558735 578163 963605 1101451 1112865 1270905 1452711 2421185 2505373 2890815 3304353 5507255 6295081 7263555 7516119 12526865 14318863 16352311 16521765 18885243 31475405 32569849 37195153 37580595 42956589 49056933 71594315 81761555 94426215 97709547 111585459 162849245 185975765 212580043 214782945 245284665 483536989 488547735 557927295 637740129 1062900215 1450610967 2417684945 2763540559 3188700645 6285980857 7178664529 7253054835 8290621677 13817702795 18857942571 21535993587 31429904285 35893322645 41453108385 93322638877 94289712855 107679967935 279967916631 466613194385 1213194305401 1399839583155 3639582916203 6065971527005 18197914581015
• Sum of all divisors σ(n): 31765260002616
• Sum of proper divisors (its aliquot sum) s(n): 13567345421601
• 18197914581015 is a deficient number, because the sum of its proper divisors (13567345421601) is less than itself. Its deficiency is 4630569159414

Bases of 18197914581015

• Binary: 100001000110100001000001110111111100000010111₂
• Hexadecimal: 0x108D083BF817
• Base-36: 6G808HGYF

Squares and roots of 18197914581015

• 18197914581015 squared (18197914581015²) is 331164095097918342998430225
• 18197914581015 cubed (18197914581015³) is 6026495914891046298224961426783587178375
• The square root of 18197914581015 is 4265901.3796635055
• The cube root of 18197914581015 is 26303.1164320701

Scales and comparisons

• 18,197,914,581,015 seconds is equal to 578,637 years, 20 weeks, 3 days, 8 hours, 30 minutes, 15 seconds.
• To count from 1 to 18,197,914,581,015 would take you about one million, four hundred forty-six thousand, five hundred ninety-three 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 18197914581015 cubic inches would be around 2191.9 feet tall.

Recreational maths with 18197914581015

• 18197914581015 backwards is 51018541979181
• The number of decimal digits it has is: 14
• The sum of 18197914581015's digits is 60
• More coming soon!