818100472420

Names of 818100472420

• Cardinal: 818100472420 can be written as Eight hundred eighteen billion, one hundred million, four hundred seventy-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 8.1810047242 × 10¹¹

Factors of 818100472420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 552849

Divisors of 818100472420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 31 35 44 55 62 70 77 110 124 140 154 155 217 220 308 310 341 385 434 620 682 770 868 961 1085 1364 1540 1705 1922 2170 2387 3410 3844 4340 4774 4805 6727 6820 9548 9610 10571 11935 13454 19220 21142 23870 26908 33635 42284 47740 52855 67270 73997 105710 134540 147994 211420 295988 369985 552793 739970 1105586 1479940 2211172 2763965 3869551 5527930 6080723 7739102 11055860 12161446 15478204 17136583 19347755 24322892 30403615 34273166 38695510 42565061 60807230 68546332 77391020 85130122 85682915 119956081 121614460 170260244 171365830 188502413 212825305 239912162 342731660 377004826 425650610 479824324 531234073 599780405 754009652 851301220 942512065 1062468146 1199560810 1319516891 1885024130 2124936292 2399121620 2639033782 2656170365 3718638511 3770048260 5278067564 5312340730 5843574803 6597584455 7437277022 10624681460 11687149606 13195168910 14874554044 18593192555 23374299212 26390337820 29217874015 37186385110 40905023621 58435748030 74372770220 81810047242 116871496060 163620094484 204525118105 409050236210 818100472420
• Sum of all divisors σ(n): 2213263350144
• Sum of proper divisors (its aliquot sum) s(n): 1395162877724
• 818100472420 is an abundant number, because the sum of its proper divisors (1395162877724) is greater than itself. Its abundance is 577062405304

Bases of 818100472420

• Binary: 1011111001111010100101101000101001100100₂
• Hexadecimal: 0xBE7A968A64
• Base-36: AFTVWCIS

Squares and roots of 818100472420

• 818100472420 squared (818100472420²) is 669288382973827180656400
• 818100472420 cubed (818100472420³) is 547545142296105900990437525696488000
• The square root of 818100472420 is 904489.0670538809
• The cube root of 818100472420 is 9352.6686403727

Scales and comparisons

• 818,100,472,420 seconds is equal to 26,013 years, 3 weeks, 2 days, 11 hours, 13 minutes, 40 seconds.
• To count from 1 to 818,100,472,420 would take you about fifty-two thousand and twenty-six 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 818100472420 cubic inches would be around 779.4 feet tall.

Recreational maths with 818100472420

• 818100472420 backwards is 024274001818
• The number of decimal digits it has is: 12
• The sum of 818100472420's digits is 37
• More coming soon!