51315157920

Names of 51315157920

• Cardinal: 51315157920 can be written as Fifty-one billion, three hundred fifteen million, one hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.131515792 × 10¹⁰

Factors of 51315157920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6067

Divisors of 51315157920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 37 39 40 48 52 60 65 74 78 80 96 104 111 120 130 148 156 160 185 195 208 222 240 260 296 312 370 390 416 444 480 481 520 555 592 624 740 780 888 962 1040 1110 1184 1248 1369 1443 1480 1560 1776 1924 2080 2220 2405 2738 2886 2960 3120 3552 3848 4107 4440 4810 5476 5772 5920 6007 6240 6845 7215 7696 8214 8880 9620 10952 11544 12014 13690 14430 15392 16428 17760 17797 18021 19240 20535 21904 23088 24028 27380 28860 30035 32856 35594 36042 38480 41070 43808 46176 48056 53391 54760 57720 60070 65712 71188 72084 76960 78091 82140 88985 90105 96112 106782 109520 115440 120140 131424 142376 144168 156182 164280 177970 180210 192224 213564 219040 222259 230880 234273 240280 266955 284752 288336 312364 328560 355940 360420 390455 427128 444518 468546 480560 533910 569504 576672 624728 657120 666777 711880 720840 780910 854256 889036 937092 961120 1067820 1111295 1171365 1249456 1333554 1423760 1441680 1561820 1708512 1778072 1874184 2135640 2222590 2342730 2498912 2667108 2847520 2883360 2889367 3123640 3333885 3556144 3748368 4271280 4445180 4685460 5334216 5778734 6247280 6667770 7112288 7496736 8223583 8542560 8668101 8890360 9370920 10668432 11557468 12494560 13335540 14446835 16447166 17336202 17780720 18741840 21336864 23114936 24670749 26671080 28893670 32894332 34672404 35561440 37483680 41117915 43340505 46229872 49341498 53342160 57787340 65788664 69344808 82235830 86681010 92459744 98682996 106684320 106906579 115574680 123353745 131577328 138689616 164471660 173362020 197365992 213813158 231149360 246707490 263154656 277379232 320719737 328943320 346724040 394731984 427626316 462298720 493414980 534532895 641439474 657886640 693448080 789463968 855252632 986829960 1069065790 1282878948 1315773280 1386896160 1603598685 1710505264 1973659920 2138131580 2565757896 3207197370 3421010528 3947319840 4276263160 5131515792 6414394740 8552526320 10263031584 12828789480 17105052640 25657578960 51315157920
• Sum of all divisors σ(n): 178938523008
• Sum of proper divisors (its aliquot sum) s(n): 127623365088
• 51315157920 is an abundant number, because the sum of its proper divisors (127623365088) is greater than itself. Its abundance is 76308207168

Bases of 51315157920

• Binary: 101111110010100111110010101110100000₂
• Hexadecimal: 0xBF29F2BA0
• Base-36: NKNPX9C

Squares and roots of 51315157920

• 51315157920 squared (51315157920²) is 2633245432354538726400
• 51315157920 cubed (51315157920³) is 135125405203391832173971673088000
• The square root of 51315157920 is 226528.4925125315
• The cube root of 51315157920 is 3716.0529183237

Scales and comparisons

• 51,315,157,920 seconds is equal to 1,631 years, 34 weeks, 3 days, 10 hours, 32 minutes.
• To count from 1 to 51,315,157,920 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 51315157920 cubic inches would be around 309.7 feet tall.

Recreational maths with 51315157920

• 51315157920 backwards is 02975151315
• 51315157920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51315157920's digits is 39
• More coming soon!