51505486920

Names of 51505486920

• Cardinal: 51505486920 can be written as Fifty-one billion, five hundred five million, four hundred eighty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.150548692 × 10¹⁰

Factors of 51505486920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 94

Divisors of 51505486920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 53 60 62 72 90 93 106 120 124 155 159 180 186 212 248 265 279 310 318 360 372 424 465 477 530 558 620 636 744 795 930 954 961 1060 1116 1240 1272 1395 1590 1643 1860 1908 1922 2120 2232 2385 2790 2809 2883 3180 3286 3720 3816 3844 4770 4805 4929 5580 5618 5766 6360 6572 7688 8215 8427 8649 9540 9610 9858 11160 11236 11532 13144 14045 14415 14787 16430 16854 17298 19080 19220 19716 22472 23064 24645 25281 28090 28830 29574 32860 33708 34596 38440 39432 42135 43245 49290 50562 50933 56180 57660 59148 65720 67416 69192 73935 84270 86490 87079 98580 101124 101866 112360 115320 118296 126405 147870 148877 152799 168540 172980 174158 197160 202248 203732 252810 254665 261237 295740 297754 305598 337080 345960 348316 407464 435395 446631 458397 505620 509330 522474 591480 595508 611196 696632 744385 763995 783711 870790 893262 916794 1011240 1018660 1044948 1191016 1222392 1306185 1339893 1488770 1527990 1567422 1741580 1786524 1833588 2037320 2089896 2233155 2291985 2612370 2679786 2699449 2977540 3055980 3134844 3483160 3573048 3667176 3918555 4466310 4583970 4615187 5224740 5359572 5398898 5955080 6111960 6269688 6699465 7837110 8098347 8932620 9167940 9230374 10449480 10719144 10797796 13398930 13497245 13845561 15674220 16196694 17865240 18335880 18460748 21595592 23075935 24295041 26797860 26994490 27691122 31348440 32393388 36921496 40491735 41536683 46151870 48590082 53595720 53988980 55382244 64786776 69227805 80983470 83073366 92303740 97180164 107977960 110764488 121475205 138455610 143070797 161966940 166146732 184607480 194360328 207683415 242950410 276911220 286141594 323933880 332293464 415366830 429212391 485900820 553822440 572283188 715353985 830733660 858424782 971801640 1144566376 1287637173 1430707970 1661467320 1716849564 2146061955 2575274346 2861415940 3433699128 4292123910 5150548692 5722831880 6438185865 8584247820 10301097384 12876371730 17168495640 25752743460 51505486920
• Sum of all divisors σ(n): 176293049400
• Sum of proper divisors (its aliquot sum) s(n): 124787562480
• 51505486920 is an abundant number, because the sum of its proper divisors (124787562480) is greater than itself. Its abundance is 73282075560

Bases of 51505486920

• Binary: 101111111101111101110101110001001000₂
• Hexadecimal: 0xBFDF75C48
• Base-36: NNT1C20

Squares and roots of 51505486920

• 51505486920 squared (51505486920²) is 2652815182866291086400
• 51505486920 cubed (51505486920³) is 136634537702297163659487789888000
• The square root of 51505486920 is 226948.2031653919
• The cube root of 51505486920 is 3720.6415560167

Scales and comparisons

• 51,505,486,920 seconds is equal to 1,637 years, 37 weeks, 1 day, 7 hours, 42 minutes.
• To count from 1 to 51,505,486,920 would take you about three thousand, two hundred seventy-five 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 51505486920 cubic inches would be around 310.1 feet tall.

Recreational maths with 51505486920

• 51505486920 backwards is 02968450515
• 51505486920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51505486920's digits is 45
• More coming soon!