31426283920

Names of 31426283920

• Cardinal: 31426283920 can be written as Thirty-one billion, four hundred twenty-six million, two hundred eighty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.142628392 × 10¹⁰

Factors of 31426283920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 771

Divisors of 31426283920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 59 73 80 118 146 223 236 292 295 365 409 446 472 584 590 730 818 892 944 1115 1168 1180 1460 1636 1784 2045 2230 2360 2920 3272 3568 4090 4307 4460 4720 5840 6544 8180 8614 8920 13157 16279 16360 17228 17840 21535 24131 26314 29857 32558 32720 34456 43070 48262 52628 59714 65116 65785 68912 81395 86140 91207 96524 105256 119428 120655 130232 131570 149285 162790 172280 182414 193048 210512 238856 241310 260464 263140 298570 325580 344560 364828 386096 456035 477712 482620 526280 597140 651160 729656 912070 960461 965240 1052560 1194280 1302320 1459312 1761563 1824140 1920922 1930480 2388560 3523126 3648280 3841844 4802305 5381213 6658111 7046252 7296560 7683688 8807815 9604610 10762426 13316222 14092504 15367376 17615630 19209220 21524852 26632444 26906065 28185008 33290555 35231260 38418440 43049704 53264888 53812130 66581110 70462520 76836880 86099408 106529776 107624260 133162220 140925040 215248520 266324440 392828549 430497040 532648880 785657098 1571314196 1964142745 3142628392 3928285490 6285256784 7856570980 15713141960 31426283920
• Sum of all divisors σ(n): 75845145600
• Sum of proper divisors (its aliquot sum) s(n): 44418861680
• 31426283920 is an abundant number, because the sum of its proper divisors (44418861680) is greater than itself. Its abundance is 12992577760

Bases of 31426283920

• Binary: 11101010001001001110000100110010000₂
• Hexadecimal: 0x751270990
• Base-36: EFQEBV4

Squares and roots of 31426283920

• 31426283920 squared (31426283920²) is 987611321020450566400
• 31426283920 cubed (31426283920³) is 31036953776994943626011212288000
• The square root of 31426283920 is 177274.6003239043
• The cube root of 31426283920 is 3155.7142911361

Scales and comparisons

• 31,426,283,920 seconds is equal to 999 years, 13 weeks, 3 days, 3 hours, 18 minutes, 40 seconds.
• To count from 1 to 31,426,283,920 would take you about one thousand, nine hundred ninety-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 31426283920 cubic inches would be around 263 feet tall.

Recreational maths with 31426283920

• 31426283920 backwards is 02938262413
• 31426283920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31426283920's digits is 40
• More coming soon!