31142240640

Names of 31142240640

• Cardinal: 31142240640 can be written as Thirty-one billion, one hundred forty-two million, two hundred forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.114224064 × 10¹⁰

Factors of 31142240640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 257476

Divisors of 31142240640

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 384 420 432 448 480 504 540 560 576 630 640 672 720 756 840 864 896 945 960 1008 1080 1120 1152 1260 1344 1440 1512 1680 1728 1890 1920 2016 2160 2240 2520 2688 2880 3024 3360 3456 3780 4032 4320 4480 5040 5760 6048 6720 7560 8064 8640 10080 12096 13440 15120 17280 20160 24192 30240 40320 60480 120960 257459 514918 772377 1029836 1287295 1544754 1802213 2059672 2317131 2574590 3089508 3604426 3861885 4119344 4634262 5149180 5406639 6179016 6951393 7208852 7723770 8238688 9011065 9268524 10298360 10813278 11585655 12358032 13902786 14417704 15447540 16219917 16477376 18022130 18537048 20596720 21626556 23171310 24716064 27033195 27805572 28835408 30895080 32439834 32954752 34756965 36044260 37074096 41193440 43253112 46342620 48659751 49432128 54066390 55611144 57670816 61790160 64879668 69513930 72088520 74148192 81099585 82386880 86506224 92685240 97319502 98864256 108132780 111222288 115341632 123580320 129759336 139027860 144177040 148296384 162199170 164773760 173012448 185370480 194639004 216265560 222444576 230683264 243298755 247160640 259518672 278055720 288354080 296592768 324398340 346024896 370740960 389278008 432531120 444889152 486597510 494321280 519037344 556111440 576708160 648796680 692049792 741481920 778556016 865062240 889778304 973195020 1038074688 1112222880 1153416320 1297593360 1482963840 1557112032 1730124480 1946390040 2076149376 2224445760 2595186720 3114224064 3460248960 3892780080 4448891520 5190373440 6228448128 7785560160 10380746880 15571120320 31142240640
• Sum of all divisors σ(n): 126052416000
• Sum of proper divisors (its aliquot sum) s(n): 94910175360
• 31142240640 is an abundant number, because the sum of its proper divisors (94910175360) is greater than itself. Its abundance is 63767934720

Bases of 31142240640

• Binary: 11101000000001110001110000110000000₂
• Hexadecimal: 0x74038E180
• Base-36: EB1AAO0

Squares and roots of 31142240640

• 31142240640 squared (31142240640²) is 969839152079667609600
• 31142240640 cubed (31142240640³) is 30202964256158565149376774144000
• The square root of 31142240640 is 176471.6425944973
• The cube root of 31142240640 is 3146.1779676115

Scales and comparisons

• 31,142,240,640 seconds is equal to 990 years, 11 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 31,142,240,640 would take you about one thousand, nine hundred eighty 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 31142240640 cubic inches would be around 262.2 feet tall.

Recreational maths with 31142240640

• 31142240640 backwards is 04604224113
• 31142240640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31142240640's digits is 27
• More coming soon!