21959831279813220

Names of 21959831279813220

• Cardinal: 21959831279813220 can be written as Twenty-one quadrillion, nine hundred fifty-nine trillion, eight hundred thirty-one billion, two hundred seventy-nine million, eight hundred thirteen thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.195983127981322 × 10¹⁶

Factors of 21959831279813220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 109986421

Divisors of 21959831279813220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 58411 116822 175233 233644 292055 350466 525699 584110 700932 876165 1051398 1109809 1168220 1752330 2102796 2219618 2628495 3329427 3504660 4439236 5256990 5549045 6658854 9988281 10513980 11098090 13317708 16647135 19976562 22196180 33294270 39953124 49941405 66588540 99882810 109927981 199765620 219855962 329783943 439711924 549639905 659567886 989351829 1099279810 1319135772 1648919715 1978703658 2088631639 2198559620 3297839430 3957407316 4177263278 4946759145 6265894917 6595678860 8354526556 9893518290 10443158195 12531789834 18797684751 19787036580 20886316390 25063579668 31329474585 37595369502 41772632780 62658949170 75190739004 93988423755 125317898340 187976847510 375953695020 6421003298191 12842006596382 19263009894573 25684013192764 32105016490955 38526019789146 57789029683719 64210032981910 77052039578292 96315049472865 115578059367438 121999062665629 128420065963820 192630098945730 231156118734876 243998125331258 288945148418595 365997187996887 385260197891460 487996250662516 577890296837190 609995313328145 731994375993774 1097991563990661 1155780593674380 1219990626656290 1463988751987548 1829985939984435 2195983127981322 2439981253312580 3659971879968870 4391966255962644 5489957819953305 7319943759937740 10979915639906610 21959831279813220
• Sum of all divisors σ(n): 70118557067657280
• Sum of proper divisors (its aliquot sum) s(n): 48158725787844060
• 21959831279813220 is an abundant number, because the sum of its proper divisors (48158725787844060) is greater than itself. Its abundance is 26198894508030840

Bases of 21959831279813220

• Binary: 1001110000001000101100110100110110000101100001001100100₂
• Hexadecimal: 0x4E0459A6C2C264
• Base-36: 6083Z7XYJ50

Squares and roots of 21959831279813220

• 21959831279813220 squared (21959831279813220²) is 482234189837863123827078086768400
• 21959831279813220 cubed (21959831279813220³) is 10589781446196893052998466606550842790505398248000
• The square root of 21959831279813220 is 148188499.1482578583
• The cube root of 21959831279813220 is 280033.2922990627

Scales and comparisons

• 21,959,831,279,813,220 seconds is equal to 698,254,708 years, 24 weeks, 6 days, 17 hours, 27 minutes.
• To count from 1 to 21,959,831,279,813,220 would take you about two billion, ninety-four million, seven hundred sixty-four thousand, one hundred twenty-five 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 21959831279813220 cubic inches would be around 23336.1 feet tall.

Recreational maths with 21959831279813220

• 21959831279813220 backwards is 02231897213895912
• The number of decimal digits it has is: 17
• The sum of 21959831279813220's digits is 72
• More coming soon!