813105916029309

Names of 813105916029309

• Cardinal: 813105916029309 can be written as Eight hundred thirteen trillion, one hundred five billion, nine hundred sixteen million, twenty-nine thousand, three hundred nine.

Scientific notation

• Scientific notation: 8.13105916029309 × 10¹⁴

Factors of 813105916029309

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1307989

Divisors of 813105916029309

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 21 97 291 679 2037 485209 822673 1455627 2468019 3396463 5758711 10189389 17276133 47065273 79799281 141195819 239397843 329456911 558594967 988370733 1675784901 399168343657 1197505030971 2794178405599 8382535216797 38719329334729 116157988004187 271035305343103 813105916029309
• Sum of all divisors σ(n): 1251796027229440
• Sum of proper divisors (its aliquot sum) s(n): 438690111200131
• 813105916029309 is a deficient number, because the sum of its proper divisors (438690111200131) is less than itself. Its deficiency is 374415804829178

Bases of 813105916029309

• Binary: 10111000111000001111111001010010100010100101111101₂
• Hexadecimal: 0x2E383F94A297D
• Base-36: 807ZP8MQ2L

Squares and roots of 813105916029309

• 813105916029309 squared (813105916029309²) is 661141230681861698584947017481
• 813105916029309 cubed (813105916029309³) is 537577845998319849343283932984182729731350629
• The square root of 813105916029309 is 28515012.1169412973
• The cube root of 813105916029309 is 93335.9689346317

Scales and comparisons

• 813,105,916,029,309 seconds is equal to 25,854,253 years, 1 week, 3 days, 4 hours, 35 minutes, 9 seconds.
• To count from 1 to 813,105,916,029,309 would take you about sixty-four million, six hundred thirty-five thousand, six hundred thirty-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 813105916029309 cubic inches would be around 7778 feet tall.

Recreational maths with 813105916029309

• 813105916029309 backwards is 903920619501318
• The number of decimal digits it has is: 15
• The sum of 813105916029309's digits is 57
• More coming soon!