21102512643939600

Names of 21102512643939600

• Cardinal: 21102512643939600 can be written as Twenty-one quadrillion, one hundred two trillion, five hundred twelve billion, six hundred forty-three million, nine hundred thirty-nine thousand, six hundred.

Scientific notation

• Scientific notation: 2.11025126439396 × 10¹⁶

Factors of 21102512643939600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1392027272

Divisors of 21102512643939600

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 4211 8422 12633 16844 21055 25266 33688 37899 42110 50532 63165 67376 75798 84220 101064 105275 126330 151596 168440 189495 202128 210550 252660 303192 315825 336880 378990 421100 505320 606384 631650 757980 842200 947475 1010640 1263300 1515960 1684400 1894950 2526600 3031920 3789900 5053200 7579800 15159600 1392023051 2784046102 4176069153 5568092204 6960115255 8352138306 11136184408 12528207459 13920230510 16704276612 20880345765 22272368816 25056414918 27840461020 33408553224 34800576275 41760691530 50112829836 55680922040 62641037295 66817106448 69601152550 83521383060 100225659672 104401728825 111361844080 125282074590 139202305100 167042766120 200451319344 208803457650 250564149180 278404610200 313205186475 334085532240 417606915300 501128298360 556809220400 626410372950 835213830600 1002256596720 1252820745900 1670427661200 2505641491800 5011282983600 5861809067761 11723618135522 17585427203283 23447236271044 29309045338805 35170854406566 46894472542088 52756281609849 58618090677610 70341708813132 87927136016415 93788945084176 105512563219698 117236181355220 140683417626264 146545226694025 175854272032830 211025126439396 234472362710440 263781408049245 281366835252528 293090453388050 351708544065660 422050252878792 439635680082075 468944725420880 527562816098490 586180906776100 703417088131320 844100505757584 879271360164150 1055125632196980 1172361813552200 1318907040246225 1406834176262640 1758542720328300 2110251264393960 2344723627104400 2637814080492450 3517085440656600 4220502528787920 5275628160984900 7034170881313200 10551256321969800 21102512643939600
• Sum of all divisors σ(n): 73248971280134832
• Sum of proper divisors (its aliquot sum) s(n): 52146458636195232
• 21102512643939600 is an abundant number, because the sum of its proper divisors (52146458636195232) is greater than itself. Its abundance is 31043945992255632

Bases of 21102512643939600

• Binary: 1001010111110001001111110011010000000101001110100010000₂
• Hexadecimal: 0x4AF89F9A029D10
• Base-36: 5RS7SH5GYS0

Squares and roots of 21102512643939600

• 21102512643939600 squared (21102512643939600²) is 445316039887630687208608448160000
• 21102512643939600 cubed (21102512643939600³) is 9397287362277837827212855949434218584771136000000
• The square root of 21102512643939600 is 145267039.0829922575
• The cube root of 21102512643939600 is 276340.6170791575

Scales and comparisons

• 21,102,512,643,939,600 seconds is equal to 670,994,627 years, 37 weeks, 3 days, 1 hour.
• To count from 1 to 21,102,512,643,939,600 would take you about two billion, twelve million, nine hundred eighty-three thousand, eight hundred eighty-three 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 21102512643939600 cubic inches would be around 23028.4 feet tall.

Recreational maths with 21102512643939600

• 21102512643939600 backwards is 00693934621520112
• The number of decimal digits it has is: 17
• The sum of 21102512643939600's digits is 54
• More coming soon!