12815456494045177729

Names of 12815456494045177729

• Cardinal: 12815456494045177729 can be written as Twelve quintillion, eight hundred fifteen quadrillion, four hundred fifty-six trillion, four hundred ninety-four billion, forty-five million, one hundred seventy-seven thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2815456494045177729 × 10¹⁹

Factors of 12815456494045177729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 59966

Divisors of 12815456494045177729

• Number of divisors d(n): 81
• Complete list of divisors:
  1 19 47 67 361 893 1273 2209 3149 4489 16967 24187 41971 59831 59833 85291 148003 210983 797449 1136789 1136827 1620529 2812057 2812151 4008677 4008811 9916201 21599713 53429083 53430869 76164863 76167409 132171097 188407819 188414117 268590337 1015186511 1447180771 2511250843 3579748561 3579868223 3579987889 5103216403 8855463499 12623745839 47713766017 68017496237 68019769891 96961111657 168253806481 168259430783 239851170941 239859188563 593316054433 1292375627929 3196822323139 3196929184877 4557172247879 4557324582697 7908193246801 11273005034227 11273381862461 16070565633721 60741654512663 86589167071243 150255671689219 214187095650313 214194255386759 305340747040699 529848947535667 755316584784887 2854857762095161 4069690852348421 5801474193773281 10067130003177673 14351015110912853 35499879484889689 191275470060375787 272669287107344207 674497710212904091 12815456494045177729
• Sum of all divisors σ(n): 14028924542361141987
• Sum of proper divisors (its aliquot sum) s(n): 1213468048315964258
• 12815456494045177729 is a deficient number, because the sum of its proper divisors (1213468048315964258) is less than itself. Its deficiency is 11601988445729213471

Bases of 12815456494045177729

• Binary: 1011000111011001101001011100100000111010000010010010011110000001₂
• Hexadecimal: 0xB1D9A5C83A092781
• Base-36: 2PD646LPLA001

Squares and roots of 12815456494045177729

• 12815456494045177729 squared (12815456494045177729²) is 164235925150764718476996485279197597441
• 12815456494045177729 cubed (12815456494045177729³) is 2104758353528885446590631929480583293180357310248640591489
• 12815456494045177729 is a perfect square number. Its square root is 3579868223
• The cube root of 12815456494045177729 is 2340155.3756402627

Scales and comparisons

• 12,815,456,494,045,177,729 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 12,815,456,494,045,177,729 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 12815456494045177729 cubic inches would be around 195012.9 feet tall.

Recreational maths with 12815456494045177729

• 12815456494045177729 backwards is 92777154049465451821
• The number of decimal digits it has is: 20
• The sum of 12815456494045177729's digits is 91
• More coming soon!