20729513329324380

Names of 20729513329324380

• Cardinal: 20729513329324380 can be written as Twenty quadrillion, seven hundred twenty-nine trillion, five hundred thirteen billion, three hundred twenty-nine million, three hundred twenty-four thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.072951332932438 × 10¹⁶

Factors of 20729513329324380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6459362179

Divisors of 20729513329324380

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 252 270 283 315 324 378 405 420 540 566 567 630 756 810 849 945 1132 1134 1260 1415 1620 1698 1890 1981 2268 2547 2830 2835 3396 3780 3962 4245 5094 5660 5670 5943 7641 7924 8490 9905 10188 11340 11886 12735 15282 16980 17829 19810 22923 23772 25470 29715 30564 35658 38205 39620 45846 50940 53487 59430 71316 76410 89145 91692 106974 114615 118860 152820 160461 178290 213948 229230 267435 320922 356580 458460 534870 641844 802305 1069740 1604610 3209220 6459361879 12918723758 19378085637 25837447516 32296809395 38756171274 45215533153 58134256911 64593618790 77512342548 90431066306 96890428185 116268513822 129187237580 135646599459 174402770733 180862132612 193780856370 226077665765 232537027644 271293198918 290671284555 348805541466 387561712740 406939798377 452155331530 523208312199 542586397836 581342569110 678232997295 697611082932 813879596754 872013853665 904310663060 1046416624398 1162685138220 1220819395131 1356465994590 1627759193508 1744027707330 1827999411757 2034698991885 2092833248796 2441638790262 2616041560995 2712931989180 3488055414660 3655998823514 3662458185393 4069397983770 4883277580524 5232083121990 5483998235271 6104096975655 7311997647028 7324916370786 8138795967540 9139997058785 10464166243980 10967996470542 12208193951310 12795995882299 14649832741572 16451994705813 18279994117570 18312290926965 21935992941084 24416387902620 25591991764598 27419991176355 32903989411626 36559988235140 36624581853930 38387987646897 49355984117439 51183983529196 54839982352710 63979979411495 65807978823252 73249163707860 76775975293794 82259973529065 98711968234878 109679964705420 115163962940691 127959958822990 148067952352317 153551950587588 164519947058130 191939938234485 197423936469756 230327925881382 246779920587195 255919917645980 296135904704634 329039894116260 345491888822073 383879876468970 460655851762764 493559841174390 575819814703455 592271809409268 690983777644146 740339761761585 767759752937940 987119682348780 1036475666466219 1151639629406910 1381967555288292 1480679523523170 1727459444110365 2072951332932438 2303279258813820 2961359047046340 3454918888220730 4145902665864876 5182378332331095 6909837776441460 10364756664662190 20729513329324380
• Sum of all divisors σ(n): 74581755912491520
• Sum of proper divisors (its aliquot sum) s(n): 53852242583167140
• 20729513329324380 is an abundant number, because the sum of its proper divisors (53852242583167140) is greater than itself. Its abundance is 33122729253842760

Bases of 20729513329324380

• Binary: 1001001101001010110000111101110010111000111000101011100₂
• Hexadecimal: 0x49A561EE5C715C
• Base-36: 5O3ZYYG3TR0

Squares and roots of 20729513329324380

• 20729513329324380 squared (20729513329324380²) is 429712722870637141308427262384400
• 20729513329324380 cubed (20729513329324380³) is 8907735616527145976520276711522027757039851672000
• The square root of 20729513329324380 is 143977475.0762228779
• The cube root of 20729513329324380 is 274702.7679091055

Scales and comparisons

• 20,729,513,329,324,380 seconds is equal to 659,134,403 years, 14 weeks, 3 days, 2 hours, 33 minutes.
• To count from 1 to 20,729,513,329,324,380 would take you about one billion, nine hundred seventy-seven million, four hundred three thousand, two hundred nine 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 20729513329324380 cubic inches would be around 22891.9 feet tall.

Recreational maths with 20729513329324380

• 20729513329324380 backwards is 08342392331592702
• 20729513329324380 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20729513329324380's digits is 63
• More coming soon!