21589529984

Names of 21589529984

• Cardinal: 21589529984 can be written as Twenty-one billion, five hundred eighty-nine million, five hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1589529984 × 10¹⁰

Factors of 21589529984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3151

Divisors of 21589529984

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 11 16 17 22 32 34 44 64 68 88 128 136 176 187 272 289 352 374 544 578 704 748 1088 1156 1408 1496 2176 2312 2992 3121 3179 4624 4913 5984 6242 6358 9248 9826 11968 12484 12716 18496 19652 23936 24968 25432 34331 36992 39304 49936 50864 53057 54043 68662 78608 99872 101728 106114 108086 137324 157216 199744 203456 212228 216172 274648 314432 399488 406912 424456 432344 549296 583627 628864 848912 864688 901969 1098592 1167254 1697824 1729376 1803938 2197184 2334508 3395648 3458752 3607876 4394368 4669016 6791296 6917504 7215752 9338032 9921659 14431504 15333473 18676064 19843318 28863008 30666946 37352128 39686636 57726016 61333892 74704256 79373272 115452032 122667784 158746544 168668203 245335568 317493088 337336406 490671136 634986176 674672812 981342272 1269972352 1349345624 1962684544 2698691248 5397382496 10794764992 21589529984
• Sum of all divisors σ(n): 49868330400
• Sum of proper divisors (its aliquot sum) s(n): 28278800416
• 21589529984 is an abundant number, because the sum of its proper divisors (28278800416) is greater than itself. Its abundance is 6689270432

Bases of 21589529984

• Binary: 10100000110110101100001010110000000₂
• Hexadecimal: 0x506D61580
• Base-36: 9X1UJY8

Squares and roots of 21589529984

• 21589529984 squared (21589529984²) is 466107804930035040256
• 21589529984 cubed (21589529984³) is 10063048430313414523777559035904
• The square root of 21589529984 is 146933.7605317443
• The cube root of 21589529984 is 2784.5032505049

Scales and comparisons

• 21,589,529,984 seconds is equal to 686 years, 24 weeks, 6 days, 19 hours, 39 minutes, 44 seconds.
• To count from 1 to 21,589,529,984 would take you about one thousand, three hundred seventy-two 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 21589529984 cubic inches would be around 232 feet tall.

Recreational maths with 21589529984

• 21589529984 backwards is 48992598512
• The number of decimal digits it has is: 11
• The sum of 21589529984's digits is 62
• More coming soon!