13165864218

Names of 13165864218

• Cardinal: 13165864218 can be written as Thirteen billion, one hundred sixty-five million, eight hundred sixty-four thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 1.3165864218 × 10¹⁰

Factors of 13165864218

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 668

Divisors of 13165864218

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 169 171 234 247 338 342 361 494 507 631 722 741 1014 1083 1262 1482 1521 1893 2166 2223 3042 3211 3249 3786 4446 4693 5679 6422 6498 6859 8203 9386 9633 11358 11989 13718 14079 16406 19266 20577 23978 24609 28158 28899 35967 41154 42237 49218 57798 61009 61731 71934 73827 84474 89167 106639 107901 122018 123462 147654 155857 178334 183027 213278 215802 227791 267501 311714 319917 366054 455582 467571 535002 549081 639834 683373 802503 935142 959751 1098162 1159171 1366746 1402713 1605006 1919502 2026141 2050119 2318342 2805426 2961283 3477513 4052282 4100238 4328029 5922566 6078423 6955026 8656058 8883849 10432539 12156846 12984087 17767698 18235269 20865078 25968174 26651547 36470538 38496679 38952261 53303094 56264377 76993358 77904522 112528754 115490037 168793131 230980074 337586262 346470111 506379393 692940222 731436901 1012758786 1462873802 2194310703 4388621406 6582932109 13165864218
• Sum of all divisors σ(n): 32656628160
• Sum of proper divisors (its aliquot sum) s(n): 19490763942
• 13165864218 is an abundant number, because the sum of its proper divisors (19490763942) is greater than itself. Its abundance is 6324899724

Bases of 13165864218

• Binary: 1100010000101111110010010100011010₂
• Hexadecimal: 0x310BF251A
• Base-36: 61QM5UI

Squares and roots of 13165864218

• 13165864218 squared (13165864218²) is 173339980606812751524
• 13165864218 cubed (13165864218³) is 2282170648220049932315956568232
• The square root of 13165864218 is 114742.5998398153
• The cube root of 13165864218 is 2361.2925158009

Scales and comparisons

• 13,165,864,218 seconds is equal to 418 years, 32 weeks, 6 days, 16 hours, 30 minutes, 18 seconds.
• To count from 1 to 13,165,864,218 would take you about eight hundred thirty-seven 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 13165864218 cubic inches would be around 196.8 feet tall.

Recreational maths with 13165864218

• 13165864218 backwards is 81246856131
• The number of decimal digits it has is: 11
• The sum of 13165864218's digits is 45
• More coming soon!