12518938449920

Names of 12518938449920

• Cardinal: 12518938449920 can be written as Twelve trillion, five hundred eighteen billion, nine hundred thirty-eight million, four hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.251893844992 × 10¹³

Factors of 12518938449920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 170444

Divisors of 12518938449920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1031 1120 1280 1792 2048 2062 2240 2560 3584 4124 4480 5120 5155 7168 7217 8248 8960 10240 10310 14336 14434 16496 17920 20620 28868 32992 35840 36085 41240 57736 65984 71680 72170 82480 115472 131968 144340 164960 169399 230944 263936 288680 329920 338798 461888 527872 577360 659840 677596 846995 923776 1055744 1154720 1185793 1319680 1355192 1693990 1847552 2111488 2309440 2371586 2639360 2710384 3387980 3695104 4618880 4743172 5278720 5420768 5928965 6775960 7390208 9237760 9486344 10557440 10841536 11857930 13551920 14780416 18475520 18972688 21683072 23715860 27103840 36951040 37945376 43366144 47431720 54207680 73902080 75890752 86732288 94863440 108415360 151781504 173464576 174650369 189726880 216830720 303563008 346929152 349300738 379453760 433661440 607126016 698601476 758907520 867322880 873251845 1214252032 1222552583 1397202952 1517815040 1734645760 1746503690 2428504064 2445105166 2794405904 3035630080 3493007380 4890210332 5588811808 6071260160 6112762915 6986014760 9780420664 11177623616 12142520320 12225525830 13972029520 19560841328 22355247232 24451051660 27944059040 39121682656 44710494464 48902103320 55888118080 78243365312 89420988928 97804206640 111776236160 156486730624 178841977856 195608413280 223552472320 312973461248 357683955712 391216826560 447104944640 625946922496 782433653120 894209889280 1251893844992 1564867306240 1788419778560 2503787689984 3129734612480 6259469224960 12518938449920
• Sum of all divisors σ(n): 34362776448000
• Sum of proper divisors (its aliquot sum) s(n): 21843837998080
• 12518938449920 is an abundant number, because the sum of its proper divisors (21843837998080) is greater than itself. Its abundance is 9324899548160

Bases of 12518938449920

• Binary: 10110110001011001010111000010001100000000000₂
• Hexadecimal: 0xB62CAE11800
• Base-36: 4FR4CQ1VK

Squares and roots of 12518938449920

• 12518938449920 squared (12518938449920²) is 156723819912885372348006400
• 12518938449920 cubed (12518938449920³) is 1962015855125758432736993272018239488000
• The square root of 12518938449920 is 3538211.1935157291
• The cube root of 12518938449920 is 23219.6588535313

Scales and comparisons

• 12,518,938,449,920 seconds is equal to 398,063 years, 26 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 12,518,938,449,920 would take you about nine hundred ninety-five thousand, one hundred fifty-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 12518938449920 cubic inches would be around 1935 feet tall.

Recreational maths with 12518938449920

• 12518938449920 backwards is 02994483981521
• The number of decimal digits it has is: 14
• The sum of 12518938449920's digits is 65
• More coming soon!