813215808595407

Names of 813215808595407

• Cardinal: 813215808595407 can be written as Eight hundred thirteen trillion, two hundred fifteen billion, eight hundred eight million, five hundred ninety-five thousand, four hundred seven.

Scientific notation

• Scientific notation: 8.13215808595407 × 10¹⁴

Factors of 813215808595407

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1698

Divisors of 813215808595407

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 49 67 147 201 343 469 1029 1407 1621 3283 4489 4863 9849 11347 13467 22981 31423 34041 68943 79429 94269 108607 219961 238287 300763 325821 556003 659883 760249 902289 1539727 1668009 2105341 2280747 2627641 4619181 5321743 6316023 7276669 7882923 14737387 15965229 18393487 21830007 37252201 44212161 50936683 55180461 103161709 111756603 128754409 152810049 176051947 309485127 356556781 386263227 487536823 528155841 901280863 1069670343 1232363629 1462610469 2495897467 2703842589 3412757761 3697090887 7487692401 8626545403 10238273283 11795480449 23889304327 25879636209 35386441347 60385817821 71667912981 82568363143 167225130289 181157453463 247705089429 501675390867 577978542001 790297190083 1733935626003 2370891570249 4045849794007 5532080330581 12137549382021 16596240991743 38724562314067 116173686942201 271071936198469 813215808595407
• Sum of all divisors σ(n): 1284426526656000
• Sum of proper divisors (its aliquot sum) s(n): 471210718060593
• 813215808595407 is a deficient number, because the sum of its proper divisors (471210718060593) is less than itself. Its deficiency is 342005090534814

Bases of 813215808595407

• Binary: 10111000111001110110001111011001011010010111001111₂
• Hexadecimal: 0x2E39D8F65A5CF
• Base-36: 809E6NTSR3

Squares and roots of 813215808595407

• 813215808595407 squared (813215808595407²) is 661319951349481633542221495649
• 813215808595407 cubed (813215808595407³) is 537795838976943925275338366681643493451884143
• The square root of 813215808595407 is 28516938.9766048873
• The cube root of 813215808595407 is 93340.1735804175

Scales and comparisons

• 813,215,808,595,407 seconds is equal to 25,857,747 years, 14 weeks, 21 hours, 23 minutes, 27 seconds.
• To count from 1 to 813,215,808,595,407 would take you about sixty-four million, six hundred forty-four thousand, three hundred sixty-eight 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 813215808595407 cubic inches would be around 7778.3 feet tall.

Recreational maths with 813215808595407

• 813215808595407 backwards is 704595808512318
• The number of decimal digits it has is: 15
• The sum of 813215808595407's digits is 66
• More coming soon!