51315996940

Names of 51315996940

• Cardinal: 51315996940 can be written as Fifty-one billion, three hundred fifteen million, nine hundred ninety-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 5.131599694 × 10¹⁰

Factors of 51315996940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 110

Divisors of 51315996940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 20 26 31 52 59 62 65 118 124 130 155 236 260 295 310 403 590 620 767 806 961 1180 1534 1612 1829 1922 2015 3068 3481 3658 3835 3844 4030 4805 6962 7316 7670 8060 9145 9610 12493 13924 15340 17405 18290 19220 23777 24986 34810 36580 45253 47554 49972 56699 62465 69620 90506 95108 107911 113398 118885 124930 181012 205379 215822 226265 226796 237770 249860 283495 410758 431644 452530 475540 539555 566990 737087 821516 905060 1026895 1079110 1133980 1402843 1474174 2053790 2158220 2669927 2805686 2948348 3345241 3685435 4107580 5339854 5611372 6366749 6690482 7014215 7370870 10679708 12733498 13349635 13380964 14028430 14741740 16726205 25466996 26699270 28056860 31833745 33452410 43488133 53398540 63667490 66904820 82767737 86976266 127334980 165535474 173952532 197369219 217440665 331070948 394738438 413838685 434881330 789476876 827677370 869762660 986846095 1655354740 1973692190 2565799847 3947384380 5131599694 10263199388 12828999235 25657998470 51315996940
• Sum of all divisors σ(n): 121985045280
• Sum of proper divisors (its aliquot sum) s(n): 70669048340
• 51315996940 is an abundant number, because the sum of its proper divisors (70669048340) is greater than itself. Its abundance is 19353051400

Bases of 51315996940

• Binary: 101111110010101010111111100100001100₂
• Hexadecimal: 0xBF2ABF90C
• Base-36: NKO7WNG

Squares and roots of 51315996940

• 51315996940 squared (51315996940²) is 2633331541946089363600
• 51315996940 cubed (51315996940³) is 135132033348511003427464147384000
• The square root of 51315996940 is 226530.3444132817
• The cube root of 51315996940 is 3716.0731711161

Scales and comparisons

• 51,315,996,940 seconds is equal to 1,631 years, 35 weeks, 6 days, 3 hours, 35 minutes, 40 seconds.
• To count from 1 to 51,315,996,940 would take you about three thousand, two hundred sixty-three 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 51315996940 cubic inches would be around 309.7 feet tall.

Recreational maths with 51315996940

• 51315996940 backwards is 04969951315
• 51315996940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51315996940's digits is 52
• More coming soon!