21464349984

Names of 21464349984

• Cardinal: 21464349984 can be written as Twenty-one billion, four hundred sixty-four million, three hundred forty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1464349984 × 10¹⁰

Factors of 21464349984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 42129

Divisors of 21464349984

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 23 24 28 32 33 36 42 44 46 48 56 63 66 69 72 77 84 88 92 96 99 112 126 132 138 144 154 161 168 176 184 198 207 224 231 252 253 264 276 288 308 322 336 352 368 396 414 462 483 504 506 528 552 616 644 672 693 736 759 792 828 924 966 1008 1012 1056 1104 1232 1288 1386 1449 1518 1584 1656 1771 1848 1932 2016 2024 2208 2277 2464 2576 2772 2898 3036 3168 3312 3542 3696 3864 4048 4554 5152 5313 5544 5796 6072 6624 7084 7392 7728 8096 9108 10626 11088 11592 12144 14168 15456 15939 18216 21252 22176 23184 24288 28336 31878 36432 42083 42504 46368 56672 63756 72864 84166 85008 126249 127512 168332 170016 252498 255024 294581 336664 378747 462913 504996 510048 589162 673328 757494 883743 925826 967909 1009992 1178324 1346656 1388739 1514988 1767486 1851652 1935818 2019984 2356648 2651229 2777478 2903727 3029976 3240391 3534972 3703304 3871636 4039968 4166217 4713296 5302458 5554956 5807454 6059952 6480782 6775363 7069944 7406608 7743272 8332434 8711181 9426592 9721173 10604916 10646999 11109912 11614908 12119904 12961564 13550726 14139888 14813216 15486544 16664868 17422362 19442346 20326089 21209832 21293998 22219824 23229816 25923128 27101452 28279776 29163519 30973088 31940997 33329736 34844724 38884692 40652178 42419664 42587996 44439648 46459632 51846256 54202904 58327038 60978267 63881994 66659472 69689448 74528993 77769384 81304356 84839328 85175992 92919264 95822991 103692512 108405808 116654076 121956534 127763988 133318944 139378896 149057986 155538768 162608712 170351984 191645982 216811616 223586979 233308152 243913068 255527976 278757792 298115972 311077536 325217424 340703968 383291964 447173958 466616304 487826136 511055952 596231944 650434848 670760937 766583928 894347916 933232608 975652272 1022111904 1192463888 1341521874 1533167856 1788695832 1951304544 2384927776 2683043748 3066335712 3577391664 5366087496 7154783328 10732174992 21464349984
• Sum of all divisors σ(n): 79411497984
• Sum of proper divisors (its aliquot sum) s(n): 57947148000
• 21464349984 is an abundant number, because the sum of its proper divisors (57947148000) is greater than itself. Its abundance is 36482798016

Bases of 21464349984

• Binary: 10011111111010111111111110100100000₂
• Hexadecimal: 0x4FF5FFD20
• Base-36: 9UZBIG0

Squares and roots of 21464349984

• 21464349984 squared (21464349984²) is 460718320235640800256
• 21464349984 cubed (21464349984³) is 9889019269578383487204620795904
• The square root of 21464349984 is 146507.1670055769
• The cube root of 21464349984 is 2779.1111310391

Scales and comparisons

• 21,464,349,984 seconds is equal to 682 years, 25 weeks, 6 days, 23 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,464,349,984 would take you about one thousand, three hundred sixty-four 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 21464349984 cubic inches would be around 231.6 feet tall.

Recreational maths with 21464349984

• 21464349984 backwards is 48994346412
• The number of decimal digits it has is: 11
• The sum of 21464349984's digits is 54
• More coming soon!