813978737548120804

Names of 813978737548120804

• Cardinal: 813978737548120804 can be written as Eight hundred thirteen quadrillion, nine hundred seventy-eight trillion, seven hundred thirty-seven billion, five hundred forty-eight million, one hundred twenty thousand, eight hundred four.

Scientific notation

• Scientific notation: 8.13978737548120804 × 10¹⁷

Factors of 813978737548120804

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2814

Divisors of 813978737548120804

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 11 22 44 121 242 484 1331 2662 2801 5324 5602 11204 14641 29282 30811 58564 61622 123244 161051 322102 338921 644204 677842 1355684 1771561 3543122 3728131 7086244 7456262 7845601 14912524 15691202 19487171 31382404 38974342 41009441 77948684 82018882 86301611 164037764 172603222 214358881 345206444 428717762 451103851 857435524 902207702 949317721 1804415404 1898635442 2357947691 3797270884 4715895382 4962142361 9431790764 9924284722 10442494931 19848569444 20884989862 25937424601 41769979724 51874849202 54583565971 103749698404 109167131942 114867444241 218334263884 229734888482 459469776964 600419225681 1200838451362 1263541886651 2401676902724 2527083773302 5054167546604 6604611482491 13209222964982 13898960753161 26418445929964 27797921506322 55595843012644 72650726307401 145301452614802 152888568284771 290602905229604 305777136569542 611554273139084 1681774251132481 3363548502264962 6727097004529924 18499516762457291 36999033524914582 73998067049829164 203494684387030201 406989368774060402 813978737548120804
• Sum of all divisors σ(n): 1567468680085375081
• Sum of proper divisors (its aliquot sum) s(n): 753489942537254277
• 813978737548120804 is a deficient number, because the sum of its proper divisors (753489942537254277) is less than itself. Its deficiency is 60488795010866527

Bases of 813978737548120804

• Binary: 101101001011110101010101100101100010010001101101001011100100₂
• Hexadecimal: 0xB4BD5596246D2E4
• Base-36: 66MRDPRVY0O4

Squares and roots of 813978737548120804

• 813978737548120804 squared (813978737548120804²) is 662561385180432528827125511777606416
• 813978737548120804 cubed (813978737548120804³) is 539310879857302666072872078185691907903229689933478464
• 813978737548120804 is a perfect square number. Its square root is 902207702
• The cube root of 813978737548120804 is 933693.5388830177

Scales and comparisons

• 813,978,737,548,120,804 seconds is equal to 25,882,006,052 years, 25 weeks, 6 hours, 4 seconds.
• To count from 1 to 813,978,737,548,120,804 would take you about seventy-seven billion, six hundred forty-six million, eighteen thousand, one hundred fifty-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 813978737548120804 cubic inches would be around 77807.8 feet tall.

Recreational maths with 813978737548120804

• 813978737548120804 backwards is 408021845737879318
• The number of decimal digits it has is: 18
• The sum of 813978737548120804's digits is 85
• More coming soon!