642964009860225

Names of 642964009860225

• Cardinal: 642964009860225 can be written as Six hundred forty-two trillion, nine hundred sixty-four billion, nine million, eight hundred sixty thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.42964009860225 × 10¹⁴

Factors of 642964009860225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 705

Divisors of 642964009860225

• Number of divisors d(n): 405
• Complete list of divisors:
  1 3 5 9 15 19 25 27 45 47 57 75 81 95 135 141 171 225 235 285 361 405 423 475 513 631 675 705 855 893 1083 1175 1269 1425 1539 1805 1893 2025 2115 2209 2565 2679 3155 3249 3525 3807 4275 4465 5415 5679 6345 6627 7695 8037 9025 9465 9747 10575 11045 11989 12825 13395 15775 16245 16967 17037 19035 19881 22325 24111 27075 28395 29241 29657 31725 33135 35967 38475 40185 41971 47325 48735 50901 51111 55225 59643 59945 66975 72333 81225 84835 85185 88971 95175 99405 107901 120555 125913 141975 146205 148285 152703 165675 178929 179835 200925 209855 227791 243675 254505 255555 266913 298215 299725 323703 361665 377739 398161 424175 425925 444855 458109 497025 539505 563483 602775 629565 683373 731025 741425 763515 797449 800739 894645 899175 971109 1049275 1133217 1138955 1194483 1272525 1277775 1334565 1374327 1393879 1491075 1618515 1690449 1808325 1888695 1990805 2050119 2224275 2290545 2392347 2402217 2697525 2817415 3147825 3399651 3416865 3583449 3817575 3987245 4003695 4181637 4473225 4855545 5071347 5666085 5694775 5972415 6150357 6672825 6871635 6969395 7177041 7565059 8092575 8452245 9443475 9954025 10250595 10706177 10750347 11452725 11961735 12011085 12544911 14087075 15214041 16998255 17084325 17917245 18451071 18713567 19936225 20018475 20908185 21531123 22695177 24277725 25356735 26483701 28330425 29862075 30751785 32118531 32251041 34358175 34846975 35885205 37634733 37825295 42261225 45642123 51252975 53530885 53751735 56140701 59808675 60055425 62724555 64593369 68085531 76070205 79451103 84991275 89586225 92255355 93567835 96355593 104540925 107655615 112904199 113475885 126783675 132418505 143736121 153758925 160592655 161255205 168422103 179426025 188173665 189126475 204256593 228210615 238353309 267654425 268758675 280703505 289066779 313622775 322966845 340427655 355557773 380351025 397255515 431208363 461276775 467839175 481777965 503190319 505266309 538278075 564520995 567379425 612769779 662092525 715059927 718680605 802963275 806276025 842110515 867200337 879537649 940868325 1021282965 1066673319 1141053075 1191766545 1293625089 1403517525 1445333895 1509570957 1515798927 1614834225 1702138275 1777788865 1986277575 2145179781 2156041815 2408889825 2515951595 2526331545 2638612947 2822604975 3063848895 3200019957 3575299635 3593403025 3880875267 4210552575 4336001685 4397688245 4528712871 5106414825 5333366595 5958832725 6468125445 6755597687 7226669475 7547854785 7578994635 7915838841 8888944325 9600059871 10725898905 10780209075 11642625801 12579757975 12631657725 13193064735 13586138613 15319244475 16000099785 16711215331 17876498175 19404376335 20266793061 21680008425 21988441225 22643564355 23747516523 26666832975 28800179613 32340627225 33777988435 37739273925 37894973175 39579194205 40758415839 48000299355 50133645993 53629494525 58213129005 60800379183 65965323675 67930693065 71242549569 80000498925 83556076655 97021881675 101333965305 113217821775 118737582615 144000898065 150400937979 168889942175 182401137549 197895971025 203792079195 240001496775 250668229965 291065645025 304001895915 317513091289 339653465325 356212747845 417780383275 451202813937 506669826525 547203412647 593687913075 720004490325 752004689895 912005687745 952539273867 1018960395975 1253341149825 1353608441811 1520009479575 1587565456445 1781063739225 2256014069685 2736017063235 2857617821601 3760023449475 4560028438725 4762696369335 6768042209055 7937827282225 8572853464803 11280070348425 13680085316175 14288089108005 23813481846675 25718560394409 33840211045275 42864267324015 71440445540025 128592801972045 214321336620075 642964009860225
• Sum of all divisors σ(n): 1286326229558931
• Sum of proper divisors (its aliquot sum) s(n): 643362219698706
• 642964009860225 is an abundant number, because the sum of its proper divisors (643362219698706) is greater than itself. Its abundance is 398209838481

Bases of 642964009860225

• Binary: 10010010001100010110111001011010010011110010000001₂
• Hexadecimal: 0x248C5B9693C81
• Base-36: 6BWTL6MR29

Squares and roots of 642964009860225

• 642964009860225 squared (642964009860225²) is 413402717975539511024037050625
• 642964009860225 cubed (642964009860225³) is 265803069236668601016423033305038227498890625
• 642964009860225 is a perfect square number. Its square root is 25356735
• The cube root of 642964009860225 is 86310.2195365239

Scales and comparisons

• 642,964,009,860,225 seconds is equal to 20,444,266 years, 36 weeks, 1 day, 2 hours, 3 minutes, 45 seconds.
• To count from 1 to 642,964,009,860,225 would take you about fifty-one million, one hundred ten thousand, six hundred sixty-six 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 642964009860225 cubic inches would be around 7192.5 feet tall.

Recreational maths with 642964009860225

• 642964009860225 backwards is 522068900469246
• The number of decimal digits it has is: 15
• The sum of 642964009860225's digits is 63
• More coming soon!