21508320398480

Names of 21508320398480

• Cardinal: 21508320398480 can be written as Twenty-one trillion, five hundred eight billion, three hundred twenty million, three hundred ninety-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.150832039848 × 10¹³

Factors of 21508320398480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 161395

Divisors of 21508320398480

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 67 80 97 134 194 257 268 335 388 485 514 536 670 776 970 1028 1072 1285 1340 1552 1940 2056 2570 2680 3880 4112 5140 5360 6499 7760 10280 12998 17219 20560 24929 25996 32495 34438 49858 51992 64990 68876 86095 99716 103984 124645 129980 137752 160967 172190 199432 249290 259960 275504 321934 344380 398864 498580 519920 643868 688760 804835 997160 1287736 1377520 1609670 1670243 1994320 2575472 3219340 3340486 6438680 6680972 8351215 10784789 12877360 13361944 15613799 16702430 21569578 26723888 31227598 33404860 41368519 43139156 53923945 62455196 66809720 78068995 82737038 86278312 107847890 124910392 133619440 156137990 165474076 172556624 206842595 215695780 249820784 312275980 330948152 413685190 431391560 624551960 661896304 827370380 862783120 1046124533 1249103920 1654740760 2092249066 2771690773 3309481520 4012746343 4184498132 5230622665 5543381546 8025492686 8368996264 10461245330 11086763092 13858453865 16050985372 16737992528 20063731715 20922490660 22173526184 27716907730 32101970744 40127463430 41844981320 44347052368 55433815460 64203941488 80254926860 83689962640 110867630920 160509853720 221735261840 268854004981 321019707440 537708009962 1075416019924 1344270024905 2150832039848 2688540049810 4301664079696 5377080099620 10754160199240 21508320398480
• Sum of all divisors σ(n): 51476283806976
• Sum of proper divisors (its aliquot sum) s(n): 29967963408496
• 21508320398480 is an abundant number, because the sum of its proper divisors (29967963408496) is greater than itself. Its abundance is 8459643010016

Bases of 21508320398480

• Binary: 100111000111111001011110011000000110010010000₂
• Hexadecimal: 0x138FCBCC0C90
• Base-36: 7MGSAMXE8

Squares and roots of 21508320398480

• 21508320398480 squared (21508320398480²) is 462607846363670865986310400
• 21508320398480 cubed (21508320398480³) is 9949917778440643979306246380752968192000
• The square root of 21508320398480 is 4637706.3726027331
• The cube root of 21508320398480 is 27810.0753632825

Scales and comparisons

• 21,508,320,398,480 seconds is equal to 683,898 years, 3 weeks, 12 hours, 1 minute, 20 seconds.
• To count from 1 to 21,508,320,398,480 would take you about one million, seven hundred nine thousand, seven hundred forty-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 21508320398480 cubic inches would be around 2317.5 feet tall.

Recreational maths with 21508320398480

• 21508320398480 backwards is 08489302380512
• The number of decimal digits it has is: 14
• The sum of 21508320398480's digits is 53
• More coming soon!