121506091540

Names of 121506091540

• Cardinal: 121506091540 can be written as One hundred twenty-one billion, five hundred six million, ninety-one thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.2150609154 × 10¹¹

Factors of 121506091540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2937

Divisors of 121506091540

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 20 31 37 61 62 74 122 124 148 155 185 244 305 310 370 610 620 740 961 1147 1220 1891 1922 2257 2294 2801 3782 3844 4514 4588 4805 5602 5735 7564 9028 9455 9610 11204 11285 11470 14005 18910 19220 22570 22940 28010 35557 37820 45140 56020 58621 69967 71114 86831 103637 117242 139934 142228 170861 173662 177785 207274 234484 279868 293105 341722 347324 349835 355570 414548 434155 518185 586210 683444 699670 711140 854305 868310 1036370 1172420 1399340 1708610 1736620 2072740 2168977 2691761 3212747 3417220 4337954 5296691 5383522 6321857 6425494 8675908 10593382 10767044 10844885 12643714 12850988 13458805 16063735 21186764 21689770 25287428 26483455 26917610 31609285 32127470 43379540 52966910 53835220 63218570 64254940 99595157 105933820 126437140 164197421 195977567 199190314 328394842 391955134 398380628 497975785 656789684 783910268 820987105 979887835 995951570 1641974210 1959775670 1991903140 3283948420 3919551340 6075304577 12150609154 24301218308 30376522885 60753045770 121506091540
• Sum of all divisors σ(n): 275322659472
• Sum of proper divisors (its aliquot sum) s(n): 153816567932
• 121506091540 is an abundant number, because the sum of its proper divisors (153816567932) is greater than itself. Its abundance is 32310476392

Bases of 121506091540

• Binary: 1110001001010010100111101001000010100₂
• Hexadecimal: 0x1C4A53D214
• Base-36: 1JTHL89G

Squares and roots of 121506091540

• 121506091540 squared (121506091540²) is 14763730281326859571600
• 121506091540 cubed (121506091540³) is 1793883163034771351767554784264000
• The square root of 121506091540 is 348577.2389872867
• The cube root of 121506091540 is 4952.9736448885

Scales and comparisons

• 121,506,091,540 seconds is equal to 3,863 years, 26 weeks, 6 days, 12 hours, 5 minutes, 40 seconds.
• To count from 1 to 121,506,091,540 would take you about seven thousand, seven hundred twenty-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 121506091540 cubic inches would be around 412.7 feet tall.

Recreational maths with 121506091540

• 121506091540 backwards is 045190605121
• The number of decimal digits it has is: 12
• The sum of 121506091540's digits is 34
• More coming soon!