21621633028944

Names of 21621633028944

• Cardinal: 21621633028944 can be written as Twenty-one trillion, six hundred twenty-one billion, six hundred thirty-three million, twenty-eight thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.1621633028944 × 10¹³

Factors of 21621633028944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 318

Divisors of 21621633028944

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 101 104 156 169 199 202 208 303 312 338 398 404 507 597 606 624 676 796 808 1014 1194 1212 1313 1352 1592 1616 2028 2197 2388 2424 2587 2626 2704 3184 3939 4056 4394 4776 4848 5174 5252 6591 7761 7878 8112 8788 9552 10201 10348 10504 13182 15522 15756 17069 17576 20099 20402 20696 21008 26364 30603 31044 31512 33631 34138 35152 40198 40804 41392 51207 52728 60297 61206 62088 63024 67262 68276 80396 81608 100893 102414 105456 120594 122412 124176 132613 134524 136552 160792 163216 201786 204828 221897 241188 244824 261287 265226 269048 273104 321584 397839 403572 409656 437203 443794 482376 489648 522574 530452 538096 665691 783861 795678 807144 819312 874406 887588 964752 1030301 1045148 1060904 1311609 1331382 1567722 1591356 1614288 1723969 1748812 1775176 2029999 2060602 2090296 2121808 2623218 2662764 3090903 3135444 3182712 3396731 3447938 3497624 3550352 4059998 4121204 4180592 5171907 5246436 5325528 6089997 6181806 6270888 6365424 6793462 6895876 6995248 8119996 8242408 10190193 10343814 10492872 10651056 12179994 12363612 12541776 13393913 13586924 13791752 16239992 16484816 20380386 20687628 20985744 22411597 24359988 24727224 26389987 26787826 27173848 27583504 32479984 40181739 40760772 41375256 44157503 44823194 48719976 49454448 52779974 53575652 54347696 67234791 79169961 80363478 81521544 82750512 88315006 89646388 97439952 105559948 107151304 132472509 134469582 158339922 160726956 163043088 174120869 176630012 179292776 205029899 211119896 214302608 264945018 268939164 316679844 321453912 343069831 348241738 353260024 358585552 410059798 422239792 522362607 529890036 537878328 615089697 633359688 642907824 686139662 696483476 706520048 820119596 1029209493 1044725214 1059780072 1075756656 1230179394 1266719376 1372279324 1392966952 1640239192 2058418986 2089450428 2119560144 2263571297 2460358788 2665388687 2744558648 2785933904 3280478384 4116837972 4178900856 4459907803 4527142594 4920717576 5330777374 5489117296 6790713891 7996166061 8233675944 8357801712 8919815606 9054285188 9841435152 10661554748 13379723409 13581427782 15992332122 16467351888 17839631212 18108570376 21323109496 26759446818 27162855564 31984664244 34650052931 35679262424 36217140752 42646218992 53518893636 54325711128 63969328488 69300105862 71358524848 103950158793 107037787272 108651422256 127938656976 138600211724 207900317586 214075574544 277200423448 415800635172 450450688103 554400846896 831601270344 900901376206 1351352064309 1663202540688 1801802752412 2702704128618 3603605504824 5405408257236 7207211009648 10810816514472 21621633028944
• Sum of all divisors σ(n): 61420610496000
• Sum of proper divisors (its aliquot sum) s(n): 39798977467056
• 21621633028944 is an abundant number, because the sum of its proper divisors (39798977467056) is greater than itself. Its abundance is 18177344438112

Bases of 21621633028944

• Binary: 100111010101000101101110000011001001101010000₂
• Hexadecimal: 0x13AA2DC19350
• Base-36: 7NWUA1UMO

Squares and roots of 21621633028944

• 21621633028944 squared (21621633028944²) is 467495014838322091941755136
• 21621633028944 cubed (21621633028944³) is 10108005653694930317237281555619248656384
• The square root of 21621633028944 is 4649906.7763713287
• The cube root of 21621633028944 is 27858.8272722785

Scales and comparisons

• 21,621,633,028,944 seconds is equal to 687,501 years, 2 weeks, 4 days, 6 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,621,633,028,944 would take you about one million, seven hundred eighteen thousand, seven hundred fifty-two 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 21621633028944 cubic inches would be around 2321.6 feet tall.

Recreational maths with 21621633028944

• 21621633028944 backwards is 44982033612612
• The number of decimal digits it has is: 14
• The sum of 21621633028944's digits is 51
• More coming soon!