20729500259829840

Names of 20729500259829840

• Cardinal: 20729500259829840 can be written as Twenty quadrillion, seven hundred twenty-nine trillion, five hundred billion, two hundred fifty-nine million, eight hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.072950025982984 × 10¹⁶

Factors of 20729500259829840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1494273

Divisors of 20729500259829840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 563 720 1126 1689 2252 2815 3378 4504 5067 5630 6756 8445 9008 10134 11260 13512 16890 20268 22520 25335 27024 33780 35059 40536 45040 50670 67560 70118 81072 101340 105177 135120 140236 175295 202680 210354 280472 315531 350590 405360 420708 525885 560944 631062 701180 841416 1051770 1262124 1402360 1458641 1577655 1682832 2103540 2524248 2804720 2917282 3155310 4207080 4375923 5048496 5834564 6310620 7293205 8414160 8751846 11669128 12621240 13127769 14586410 17503692 19738217 21879615 23338256 25242480 26255538 29172820 35007384 39476434 43759230 52511076 58345640 59214651 65638845 70014768 78952868 87518460 98691085 105022152 116691280 118429302 131277690 157905736 175036920 177643953 197382170 210044304 236858604 262555380 296073255 315811472 350073840 355287906 394764340 473717208 525110760 592146510 710575812 789528680 821214883 888219765 947434416 1050221520 1184293020 1421151624 1579057360 1642429766 1776439530 2368586040 2463644649 2842303248 3284859532 3552879060 4106074415 4737172080 4927289298 6569719064 7105758120 7390933947 8212148830 9854578596 12318223245 13139438128 14211516240 14781867894 16424297660 19709157192 24636446490 29563735788 32848595320 36954669735 39418314384 49272892980 51138494819 59127471576 65697190640 73909339470 98545785960 102276989638 118254943152 147818678940 153415484457 197091571920 204553979276 255692474095 295637357880 306830968914 409107958552 460246453371 511384948190 591274715760 613661937828 767077422285 818215917104 920492906742 1022769896380 1227323875656 1534154844570 1840985813484 2045539792760 2301232266855 2454647751312 3068309689140 3681971626968 4091079585520 4602464533710 6136619378280 7363943253936 9204929067420 12273238756560 18409858134840 28790972583097 36819716269680 57581945166194 86372917749291 115163890332388 143954862915485 172745835498582 230327780664776 259118753247873 287909725830970 345491670997164 431864588746455 460655561329552 518237506495746 575819451661940 690983341994328 863729177492910 1036475012991492 1151638903323880 1295593766239365 1381966683988656 1727458354985820 2072950025982984 2303277806647760 2591187532478730 3454916709971640 4145900051965968 5182375064957460 6909833419943280 10364750129914920 20729500259829840
• Sum of all divisors σ(n): 69742261624127040
• Sum of proper divisors (its aliquot sum) s(n): 49012761364297200
• 20729500259829840 is an abundant number, because the sum of its proper divisors (49012761364297200) is greater than itself. Its abundance is 28283261104467360

Bases of 20729500259829840

• Binary: 1001001101001010101111011100011010110111100100001010000₂
• Hexadecimal: 0x49A55EE35BC850
• Base-36: 5O3ZSYAV780

Squares and roots of 20729500259829840

• 20729500259829840 squared (20729500259829840²) is 429712181022285404071545754425600
• 20729500259829840 cubed (20729500259829840³) is 8907718768153512524772560690610557125082939904000
• The square root of 20729500259829840 is 143977429.6889267293
• The cube root of 20729500259829840 is 274702.7101777763

Scales and comparisons

• 20,729,500,259,829,840 seconds is equal to 659,133,987 years, 36 weeks, 5 days, 19 hours, 24 minutes.
• To count from 1 to 20,729,500,259,829,840 would take you about one billion, nine hundred seventy-seven million, four hundred one thousand, nine 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 20729500259829840 cubic inches would be around 22891.9 feet tall.

Recreational maths with 20729500259829840

• 20729500259829840 backwards is 04892895200592702
• 20729500259829840 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20729500259829840's digits is 72
• More coming soon!