21064387108350080

Names of 21064387108350080

• Cardinal: 21064387108350080 can be written as Twenty-one quadrillion, sixty-four trillion, three hundred eighty-seven billion, one hundred eight million, three hundred fifty thousand and eighty.

Scientific notation

• Scientific notation: 2.106438710835008 × 10¹⁶

Factors of 21064387108350080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 478371

Divisors of 21064387108350080

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 523 640 704 880 1046 1408 1760 2092 2615 3520 4184 5230 5753 7040 8368 10460 11506 12289 16736 20920 23012 24578 28765 33472 41840 46024 49156 57530 61445 66944 83680 92048 98312 115060 122890 135179 167360 184096 196624 230120 245780 270358 334720 368192 393248 460240 465541 491560 540716 675895 736384 786496 920480 931082 983120 1081432 1351790 1572992 1840960 1862164 1966240 2162864 2327705 2703580 3681920 3724328 3932480 4325728 4655410 5120951 5407160 6427147 7448656 7864960 8651456 9310820 10241902 10814320 12854294 14897312 17302912 18621640 20483804 21628640 25604755 25708588 29794624 32135735 37243280 40967608 43257280 51209510 51417176 59589248 64271470 70698617 74486560 81935216 86514560 102419020 102834352 128542940 141397234 148973120 163870432 204838040 205668704 243477943 257085880 282794468 297946240 327740864 353493085 409676080 411337408 486955886 514171760 565588936 655481728 706986170 819352160 822674816 973911772 1028343520 1131177872 1217389715 1413972340 1638704320 1947823544 2056687040 2262355744 2434779430 2678257373 2827944680 3277408640 3895647088 4113374080 4524711488 4869558860 5356514746 5655889360 5721033349 7791294176 9049422976 9739117720 10713029492 11311778720 11442066698 13391286865 15582588352 19478235440 21426058984 22623557440 22884133396 26782573730 28605166745 31165176704 38956470880 42852117968 45247114880 45768266792 53565147460 57210333490 62931366839 77912941760 85704235936 91536533584 107130294920 114420666980 125862733678 155825883520 171408471872 183073067168 214260589840 228841333960 251725467356 314656834195 342816943744 366146134336 428521179680 457682667920 503450934712 629313668390 732292268672 857042359360 915365335840 1006901869424 1258627336780 1714084718720 1830730671680 2013803738848 2517254673560 2992100441527 3661461343360 4027607477696 5034509347120 5984200883054 8055214955392 10069018694240 11968401766108 14960502207635 20138037388480 23936803532216 29921004415270 32913104856797 40276074776960 47873607064432 59842008830540 65826209713594 95747214128864 119684017661080 131652419427188 164565524283985 191494428257728 239368035322160 263304838854376 329131048567970 382988856515456 478736070644320 526609677708752 658262097135940 957472141288640 1053219355417504 1316524194271880 1914944282577280 2106438710835008 2633048388543760 4212877421670016 5266096777087520 10532193554175040 21064387108350080
• Sum of all divisors σ(n): 55044599318755200
• Sum of proper divisors (its aliquot sum) s(n): 33980212210405120
• 21064387108350080 is an abundant number, because the sum of its proper divisors (33980212210405120) is greater than itself. Its abundance is 12915825102055040

Bases of 21064387108350080

• Binary: 1001010110101011111001011001111000000010010100010000000₂
• Hexadecimal: 0x4AD5F2CF012880
• Base-36: 5REP9UHYBNK

Squares and roots of 21064387108350080

• 21064387108350080 squared (21064387108350080²) is 443708404250425044941659836006400
• 21064387108350080 cubed (21064387108350080³) is 9346445590359239158349408861427782640880320512000
• The square root of 21064387108350080 is 145135754.0661503573
• The cube root of 21064387108350080 is 276174.0968574031

Scales and comparisons

• 21,064,387,108,350,080 seconds is equal to 669,782,353 years, 32 weeks, 1 day, 21 minutes, 20 seconds.
• To count from 1 to 21,064,387,108,350,080 would take you about two billion, nine million, three hundred forty-seven thousand and sixty 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 21064387108350080 cubic inches would be around 23014.5 feet tall.

Recreational maths with 21064387108350080

• 21064387108350080 backwards is 08005380178346012
• The number of decimal digits it has is: 17
• The sum of 21064387108350080's digits is 56
• More coming soon!