831238820438

Names of 831238820438

• Cardinal: 831238820438 can be written as Eight hundred thirty-one billion, two hundred thirty-eight million, eight hundred twenty thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 8.31238820438 × 10¹¹

Factors of 831238820438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 432

Divisors of 831238820438

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 13 19 26 31 38 62 169 247 338 367 403 494 589 734 806 961 1178 1922 3211 4771 5239 6422 6973 7657 9542 10478 11377 12493 13946 15314 18259 22754 24986 36518 62023 90649 99541 124046 134689 147901 162409 181298 199082 216163 237367 269378 295802 324818 352687 432326 474734 705374 1178437 1750957 1922713 2356874 2559091 2810119 3085771 3501914 3845426 4175359 4584931 5118182 5620238 6171542 6701053 8350718 9169862 13402106 22762441 33268183 36531547 45524882 54279667 59604103 66536366 73063094 79331821 87113689 108559334 119208206 129436129 158663642 174227378 258872258 432486379 705635671 864972758 1031313673 1132477957 1411271342 1682669677 2062627346 2264955914 2459286451 3365339354 4918572902 13407077749 21874705801 26814155498 31970723863 43749411602 63941447726 415619410219 831238820438
• Sum of all divisors σ(n): 1472545378980
• Sum of proper divisors (its aliquot sum) s(n): 641306558542
• 831238820438 is a deficient number, because the sum of its proper divisors (641306558542) is less than itself. Its deficiency is 189932261896

Bases of 831238820438

• Binary: 1100000110001001101100011101001001010110₂
• Hexadecimal: 0xC189B1D256
• Base-36: ALV64QQE

Squares and roots of 831238820438

• 831238820438 squared (831238820438²) is 690957976603157606511844
• 831238820438 cubed (831238820438³) is 574351093443835930863112554236267672
• The square root of 831238820438 is 911722.9954531145
• The cube root of 831238820438 is 9402.4696258853

Scales and comparisons

• 831,238,820,438 seconds is equal to 26,430 years, 42 weeks, 5 days, 16 hours, 20 minutes, 38 seconds.
• To count from 1 to 831,238,820,438 would take you about fifty-two thousand, eight hundred sixty-one 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 831238820438 cubic inches would be around 783.5 feet tall.

Recreational maths with 831238820438

• 831238820438 backwards is 834028832138
• The number of decimal digits it has is: 12
• The sum of 831238820438's digits is 50
• More coming soon!