20421629453495725

Names of 20421629453495725

• Cardinal: 20421629453495725 can be written as Twenty quadrillion, four hundred twenty-one trillion, six hundred twenty-nine billion, four hundred fifty-three million, four hundred ninety-five thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 2.0421629453495725 × 10¹⁶

Factors of 20421629453495725

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 489

Divisors of 20421629453495725

• Number of divisors d(n): 432
• Complete list of divisors:
  1 5 7 13 25 35 43 49 65 91 169 175 215 245 301 325 343 421 455 559 637 845 1075 1183 1225 1505 1715 1849 2105 2107 2275 2795 2947 3185 3913 4225 4459 5473 5915 7267 7525 8281 8575 9245 10525 10535 12943 13975 14735 14749 15925 18103 19565 20629 22295 24037 27365 27391 29575 36335 38311 41405 46225 50869 52675 57967 64715 71149 73675 73745 79507 90515 90601 97825 103145 111475 120185 126721 136825 136955 144403 168259 177241 181675 191555 191737 207025 235339 254345 268177 289835 312481 323575 355745 356083 368725 397535 452575 453005 498043 515725 556549 600925 633605 634207 684775 722015 778429 841295 886205 887047 957775 958685 1033591 1176695 1177813 1240687 1271725 1340885 1449175 1562405 1647373 1778725 1780415 1877239 1987675 2187367 2265025 2304133 2490215 2492581 2782745 3059407 3168025 3171035 3486301 3610075 3892145 3895843 4206475 4431025 4435235 4793425 5167955 5449003 5883475 5889065 6203435 6209329 6704425 7235137 7621363 7812025 8236865 8244691 8684809 8902075 9386195 10119577 10936835 11520665 11531611 12451075 12462905 13436683 13913725 15297035 15311569 15855175 16128931 17431505 19460725 19479215 21415849 22176175 24404107 25839775 27245015 27270901 29445325 29953729 31017175 31046645 33472447 36175685 38106815 38143021 41184325 41223455 43424045 46930975 50597885 50645959 53349541 54684175 57603325 57658055 60793663 62314525 67183415 70837039 76485175 76557845 80644655 80721277 87157525 94056781 97396075 99077719 107079245 107180983 112902517 122020535 131554501 136225075 136354505 149768645 149910943 155233225 167362235 180878425 190534075 190715105 206117275 209676103 217120225 234307129 252989425 253229795 266747705 267001147 288290275 303968315 327718609 335917075 354185195 354521713 373446787 382789225 403223275 403606385 435141811 470283905 495388595 495859273 535396225 535904915 564512585 610102675 657772505 658397467 681772525 693544033 748843225 749554715 790317619 836811175 920881507 953575525 1048380515 1049376601 1171535645 1266148975 1288010347 1333738525 1335005735 1467732721 1519841575 1638593045 1640149903 1770925975 1772608565 1867233935 2018031925 2175709055 2294030263 2351419525 2476942975 2479296365 2614127509 2679524575 2822562925 3045992677 3288862525 3291987335 3467720165 3471014911 3747773575 3951588095 4260341917 4604407535 4608782269 4854808231 5241902575 5246883005 5656843543 5857678225 6440051735 6446170549 6675028675 7338663605 8192965225 8200749515 8863042825 9016072429 9336169675 10274129047 10878545275 11470151315 11481049321 12396481825 13070637545 14091900187 15229963385 16058211841 16459936675 17338600825 17355074555 19757940475 21301709585 21321948739 23022037675 23043911345 24274041155 26234415025 28284217715 29822393419 32200258675 32230852745 33983657617 36693318025 39597904801 41003747575 45080362145 45123193843 51370645235 55384444921 57350756575 57405246605 63112507003 65353187725 70459500935 76149816925 80291059205 86775372775 98643301309 106508547925 106609743695 112407482887 115219556725 121370205775 141421088575 149111967095 149253641173 161154263725 169918288085 183194702431 197989524005 208756753933 225401810725 225615969215 256853226175 276922224605 277185333607 287026233025 315562535015 352297504675 387691114447 401455296025 441787549021 493216506545 533048718475 562037414435 690503109163 745559835475 746268205865 849591440425 915973512155 989947620025 1043783769665 1128079846075 1282362917017 1384611123025 1385926668035 1461297277531 1577812675075 1938455572235 1940297335249 2208937745105 2381531131603 2466082532725 2713837801129 2810187072175 3452515545815 3731341029325 4579867560775 4833521764141 5218918848325 6411814585085 6929633340175 7306486387655 8976540419119 9692277861175 9701486676245 11044688725525 11907655658015 13569189005645 16670717921221 17262577729075 18996864607903 24167608820705 32059072925425 36532431938275 44882702095595 48507433381225 59538278290075 62835782933833 67845945028225 83353589606105 94984323039515 116695025448547 120838044103525 224413510477975 314178914669165 416767948030525 474921615197575 583475127242735 816865178139829 1570894573345825 2917375636213675 4084325890699145 20421629453495725
• Sum of all divisors σ(n): 32816644399440000
• Sum of proper divisors (its aliquot sum) s(n): 12395014945944275
• 20421629453495725 is a deficient number, because the sum of its proper divisors (12395014945944275) is less than itself. Its deficiency is 8026614507551450

Bases of 20421629453495725

• Binary: 1001000100011010101110100100001010011110110110110101101₂
• Hexadecimal: 0x488D5D214F6DAD
• Base-36: 5L2V321RI5P

Squares and roots of 20421629453495725

• 20421629453495725 squared (20421629453495725²) is 417042949535884103730422593275625
• 20421629453495725 cubed (20421629453495725³) is 8516696581614742109294381350295906987034684203125
• The square root of 20421629453495725 is 142904266.7434941391
• The cube root of 20421629453495725 is 273335.9764508087

Scales and comparisons

• 20,421,629,453,495,725 seconds is equal to 649,344,648 years, 19 weeks, 3 days, 1 hour, 15 minutes, 25 seconds.
• To count from 1 to 20,421,629,453,495,725 would take you about one billion, nine hundred forty-eight million, thirty-three thousand, nine hundred forty-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 20421629453495725 cubic inches would be around 22778 feet tall.

Recreational maths with 20421629453495725

• 20421629453495725 backwards is 52759435492612402
• The number of decimal digits it has is: 17
• The sum of 20421629453495725's digits is 70
• More coming soon!