21358135836648

Names of 21358135836648

• Cardinal: 21358135836648 can be written as Twenty-one trillion, three hundred fifty-eight billion, one hundred thirty-five million, eight hundred thirty-six thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1358135836648 × 10¹³

Factors of 21358135836648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 306

Divisors of 21358135836648

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 37 39 52 54 72 74 78 104 108 111 117 148 156 169 216 222 234 251 296 312 333 338 351 444 468 481 502 507 666 676 702 753 888 936 962 999 1004 1014 1332 1352 1404 1443 1506 1521 1924 1998 2008 2028 2259 2664 2808 2886 3012 3042 3263 3848 3996 4056 4329 4518 4563 5772 6024 6084 6253 6526 6777 7992 8658 9036 9126 9287 9789 11544 12168 12506 12987 13052 13554 17316 18072 18252 18574 18759 19578 25012 25974 26104 27108 27861 29367 34632 36504 37148 37518 39156 42419 50024 51948 54216 55722 56277 58734 63001 74296 75036 78312 83583 84838 88101 103896 111444 112554 117468 120731 126002 127257 150072 167166 168831 169676 176202 189003 222888 225108 234936 241462 250749 252004 254514 334332 337662 339352 352404 362193 378006 381771 450216 482924 501498 504008 509028 567009 668664 675324 704808 724386 756012 763542 819013 965848 1002996 1018056 1086579 1134018 1145313 1350648 1448772 1512024 1527084 1569503 1638026 1701027 2005992 2173158 2268036 2290626 2331037 2457039 2897544 3054168 3139006 3259737 3276052 3402054 4346316 4536072 4581252 4662074 4708509 4914078 6278012 6519474 6552104 6804108 6993111 7371117 8692632 9162504 9324148 9417018 9828156 10647169 12556024 13038948 13608216 13986222 14125527 14742234 15813251 18648296 18834036 19656312 20979333 21294338 22113351 26077896 27972444 28251054 29484468 30303481 31626502 31941507 37668072 41958666 42376581 42588676 44226702 47439753 55944888 56502108 58968936 60606962 62937999 63253004 63883014 83917332 84753162 85177352 88453404 90910443 94879506 95824521 113004216 121213924 125875998 126506008 127766028 142319259 167834664 169506324 176906808 181820886 189759012 191649042 205572263 242427848 251751996 255532056 272731329 284638518 287473563 339012648 363641772 379518024 383298084 393945253 411144526 426957777 503503992 545462658 569277036 574947126 585090287 616716789 727283544 766596168 787890506 818193987 822289052 853915554 1090925316 1138554072 1149894252 1170180574 1181835759 1233433578 1575781012 1636387974 1644578104 1707831108 1755270861 1850150367 2181850632 2299788504 2340361148 2363671518 2466867156 2672439419 3151562024 3272775948 3415662216 3510541722 3545507277 3700300734 4680722296 4727343036 4933734312 5265812583 5344878838 5550451101 6545551896 7021083444 7091014554 7400601468 7606173731 8017318257 9454686072 10531625166 10636521831 10689757676 11100902202 14042166888 14182029108 14801202936 15212347462 15797437749 16034636514 21063250332 21273043662 21379515352 22201804404 22818521193 24051954771 28364058216 30424694924 31594875498 32069273028 42126500664 42546087324 44403608808 45637042386 48103909542 60849389848 63189750996 64138546056 68455563579 72155864313 85092174648 91274084772 96207819084 98880258503 126379501992 136911127158 144311728626 182548169544 192415638168 197760517006 205366690737 273822254316 288623457252 296640775509 395521034012 410733381474 547644508632 577246914504 593281551018 791042068024 821466762948 889922326527 1186563102036 1642933525896 1779844653054 2373126204072 2669766979581 3559689306108 5339533959162 7119378612216 10679067918324 21358135836648
• Sum of all divisors σ(n): 66243125289600
• Sum of proper divisors (its aliquot sum) s(n): 44884989452952
• 21358135836648 is an abundant number, because the sum of its proper divisors (44884989452952) is greater than itself. Its abundance is 23526853616304

Bases of 21358135836648

• Binary: 100110110110011010100000110010111111111101000₂
• Hexadecimal: 0x136CD4197FE8
• Base-36: 7KJSIMJU0

Squares and roots of 21358135836648

• 21358135836648 squared (21358135836648²) is 456169966416707562939875904
• 21358135836648 cubed (21358135836648³) is 9742940107327196447396415559400335329792
• The square root of 21358135836648 is 4621486.3233215351
• The cube root of 21358135836648 is 27745.1949959375

Scales and comparisons

• 21,358,135,836,648 seconds is equal to 679,122 years, 34 weeks, 6 hours, 10 minutes, 48 seconds.
• To count from 1 to 21,358,135,836,648 would take you about one million, six hundred ninety-seven thousand, eight hundred 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 21358135836648 cubic inches would be around 2312.1 feet tall.

Recreational maths with 21358135836648

• 21358135836648 backwards is 84663853185312
• The number of decimal digits it has is: 14
• The sum of 21358135836648's digits is 63
• More coming soon!