21009062743855875

Names of 21009062743855875

• Cardinal: 21009062743855875 can be written as Twenty-one quadrillion, nine trillion, sixty-two billion, seven hundred forty-three million, eight hundred fifty-five thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 2.1009062743855875 × 10¹⁶

Factors of 21009062743855875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8273

Divisors of 21009062743855875

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 13 15 25 27 39 45 61 65 75 81 117 125 135 169 183 195 225 243 305 325 351 375 405 507 549 585 675 793 845 915 975 1053 1125 1215 1521 1525 1625 1647 1755 2025 2379 2535 2745 2925 3159 3375 3965 4225 4563 4575 4875 4941 5265 6075 7137 7605 7625 8191 8235 8775 10125 10309 11895 12675 13689 13725 14625 14823 15795 19825 21125 21411 22815 22875 24573 24705 26325 30375 30927 35685 38025 40955 41067 41175 43875 51545 59475 63375 64233 68445 68625 73719 74115 78975 92781 99125 106483 107055 114075 122865 123525 131625 154635 178425 190125 192699 204775 205335 205875 221157 257725 278343 297375 319449 321165 342225 368595 370575 394875 463905 499651 532415 535275 570375 614325 617625 663471 773175 835029 892125 958347 963495 1023875 1026675 1105785 1288625 1384279 1391715 1498953 1597245 1605825 1711125 1842975 1852875 1990413 2319525 2498255 2505087 2662075 2676375 2875041 3071625 3317355 3865875 4152837 4175145 4496859 4791735 4817475 5133375 5528925 6495463 6921395 6958575 7494765 7986225 8029125 8625123 9214875 9952065 11597625 12458511 12491275 12525435 13310375 13490577 14375205 16586775 19486389 20764185 20875725 22484295 23958675 24087375 25875369 27644625 32477315 34606975 34792875 37375533 37473825 39931125 40471731 43125615 49760325 58459167 62292555 62456375 62627175 67092481 67452885 71876025 82933875 84441019 97431945 103820925 104378625 112126599 112421475 119793375 121415193 129376845 162386575 173034875 175377501 186877665 187369125 201277443 202358655 215628075 248801625 253323057 292295835 311462775 313135875 335462405 336379797 337264425 359380125 422205095 487159725 519104625 526132503 560632995 562107375 603832329 607075965 646884225 759969171 811932875 872202253 876887505 934388325 1006387215 1011793275 1078140375 1266615285 1461479175 1557313875 1578397509 1677312025 1681898985 1686322125 1811496987 2111025475 2279907513 2435798625 2616606759 2630662515 2803164975 3019161645 3035379825 3234421125 3799845855 4092641341 4361011265 4384437525 4671941625 5031936075 5058966375 5434490961 6333076425 6839722539 7307395875 7849820277 7891987545 8386560125 8409494925 9057484935 10555127375 11338629289 11399537565 12277924023 13083033795 13153312575 14015824875 15095808225 15176899125 16303472883 18999229275 20463206705 20519167617 21805056325 21922187625 23549460831 25159680375 27172454805 31665382125 34015887867 34198612695 36833772069 39249101385 39459937725 42047474625 45287424675 53204337433 56693146445 56997687825 61389620115 65415168975 65766562875 70648382493 75479041125 81517364415 94996146375 102047663601 102316033525 102595838085 109025281625 110501316207 117747304155 135862274025 159613012299 170079439335 170993063475 184168860345 196245506925 197299688625 211945147479 226437123375 266021687165 283465732225 284988439125 306142990803 306948100575 327075844875 331503948621 353241912465 407586822075 478839036897 510238318005 511580167625 512979190425 552506581035 588736520775 679311370125 691656386629 798065061495 850397196675 854965317375 918428972409 920844301725 981227534625 994511845863 1059725737395 1330108435825 1417328661125 1436517110691 1530714954015 1534740502875 1657519743105 1766209562325 2037934110375 2074969159887 2394195184485 2551191590025 2564895952125 2755286917227 2762532905175 2943682603875 3458281933145 3990325307475 4251985983375 4309551332073 4592144862045 4604221508625 4972559229315 5298628686975 6224907479661 6650542179125 7182585553455 7653574770075 8287598715525 8831047811625 10374845799435 11970975922425 12755957950125 12928653996219 13776434586135 13812664525875 17291409665725 18674722438983 19951626537375 21547756660365 22960724310225 24862796146575 26493143434875 31124537398305 35912927767275 38267873850375 41437993577625 51874228997175 56024167316949 59854879612125 64643269981095 68882172930675 86457048328625 93373612194915 107738783301825 114803621551125 124313980732875 155622686991525 168072501950847 179564638836375 259371144985875 280120836584745 323216349905475 344410864653375 466868060974575 538693916509125 778113434957625 840362509754235 1400604182923725 1616081749527375 2334340304872875 4201812548771175 7003020914618625 21009062743855875
• Sum of all divisors σ(n): 43231035408960672
• Sum of proper divisors (its aliquot sum) s(n): 22221972665104797
• 21009062743855875 is an abundant number, because the sum of its proper divisors (22221972665104797) is greater than itself. Its abundance is 1212909921248922

Bases of 21009062743855875

• Binary: 1001010101000111010000110011001111010010101001100000011₂
• Hexadecimal: 0x4AA3A199E95303
• Base-36: 5QV3A6NRL6R

Squares and roots of 21009062743855875

• 21009062743855875 squared (21009062743855875²) is 441380717375272947200062772015625
• 21009062743855875 cubed (21009062743855875³) is 9272995185265226345960206684499623926358248046875
• The square root of 21009062743855875 is 144945033.5260090069
• The cube root of 21009062743855875 is 275932.0999034629

Scales and comparisons

• 21,009,062,743,855,875 seconds is equal to 668,023,209 years, 49 weeks, 5 days, 6 hours, 11 minutes, 15 seconds.
• To count from 1 to 21,009,062,743,855,875 would take you about two billion, four million, sixty-nine thousand, six hundred twenty-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 21009062743855875 cubic inches would be around 22994.3 feet tall.

Recreational maths with 21009062743855875

• 21009062743855875 backwards is 57855834726090012
• The number of decimal digits it has is: 17
• The sum of 21009062743855875's digits is 72
• More coming soon!