21064107064

Names of 21064107064

• Cardinal: 21064107064 can be written as Twenty-one billion, sixty-four million, one hundred seven thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1064107064 × 10¹⁰

Factors of 21064107064

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 646

Divisors of 21064107064

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 44 49 52 56 77 88 91 98 104 143 154 182 196 286 308 364 392 539 572 613 616 637 728 1001 1078 1144 1226 1274 2002 2156 2452 2548 4004 4291 4312 4904 5096 6743 7007 7969 8008 8582 13486 14014 15938 17164 26972 28028 30037 31876 34328 47201 53944 55783 56056 60074 63752 87659 94402 111566 120148 175318 188804 223132 240296 330407 350636 375769 377608 390481 446264 613613 660814 701272 751538 780962 1227226 1321628 1503076 1561924 2454452 2630383 2643256 3006152 3123848 4133459 4295291 4884997 4908904 5260766 8266918 8590582 9769994 10521532 16533836 17181164 18412681 19539988 21043064 28934213 33067672 34194979 34362328 36825362 39079976 53734967 57868426 68389958 73650724 107469934 115736852 136779916 147301448 202539491 214939868 231473704 239364853 273559832 376144769 405078982 429879736 478729706 752289538 810157964 957459412 1504579076 1620315928 1914918824 2633013383 3009158152 5266026766 10532053532 21064107064
• Sum of all divisors σ(n): 54063654120
• Sum of proper divisors (its aliquot sum) s(n): 32999547056
• 21064107064 is an abundant number, because the sum of its proper divisors (32999547056) is greater than itself. Its abundance is 11935439992

Bases of 21064107064

• Binary: 10011100111100001001100010000111000₂
• Hexadecimal: 0x4E784C438
• Base-36: 9OD0X14

Squares and roots of 21064107064

• 21064107064 squared (21064107064²) is 443696606403654700096
• 21064107064 cubed (21064107064³) is 9346072821220050603708955078144
• The square root of 21064107064 is 145134.7892960195
• The cube root of 21064107064 is 2761.7287296961

Scales and comparisons

• 21,064,107,064 seconds is equal to 669 years, 40 weeks, 1 day, 12 hours, 51 minutes, 4 seconds.
• To count from 1 to 21,064,107,064 would take you about one thousand, three hundred thirty-nine 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 21064107064 cubic inches would be around 230.1 feet tall.

Recreational maths with 21064107064

• 21064107064 backwards is 46070146012
• The number of decimal digits it has is: 11
• The sum of 21064107064's digits is 31
• More coming soon!