21127533140

Names of 21127533140

• Cardinal: 21127533140 can be written as Twenty-one billion, one hundred twenty-seven million, five hundred thirty-three thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.112753314 × 10¹⁰

Factors of 21127533140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 527

Divisors of 21127533140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 43 70 86 97 140 172 194 215 301 373 388 430 485 602 679 746 860 970 1204 1358 1492 1505 1865 1940 2611 2716 3010 3395 3730 4171 5222 6020 6790 7460 8342 9409 10444 13055 13580 16039 16684 18818 20855 26110 29197 32078 36181 37636 41710 47045 52220 58394 64156 65863 72362 80195 83420 94090 112273 116788 131726 144724 145985 160390 180905 188180 224546 253267 263452 291970 320780 329315 361810 404587 449092 506534 561365 583940 658630 723620 809174 1013068 1122730 1266335 1317260 1555783 1618348 2022935 2245460 2532670 2832109 3111566 3509557 4045870 5065340 5664218 6223132 7019114 7778915 8091740 10890481 11328436 14038228 14160545 15557830 17547785 21780962 24566899 28321090 31115660 35095570 43561924 49133798 54452405 56642180 70191140 98267596 108904810 122834495 150910951 217809620 245668990 301821902 491337980 603643804 754554755 1056376657 1509109510 2112753314 3018219020 4225506628 5281883285 10563766570 21127533140
• Sum of all divisors σ(n): 52566256512
• Sum of proper divisors (its aliquot sum) s(n): 31438723372
• 21127533140 is an abundant number, because the sum of its proper divisors (31438723372) is greater than itself. Its abundance is 10311190232

Bases of 21127533140

• Binary: 10011101011010011001001001001010100₂
• Hexadecimal: 0x4EB4C9254
• Base-36: 9PESCWK

Squares and roots of 21127533140

• 21127533140 squared (21127533140²) is 446372656581798259600
• 21127533140 cubed (21127533140³) is 9430753094721781850493323144000
• The square root of 21127533140 is 145353.1325427835
• The cube root of 21127533140 is 2764.4978967871

Scales and comparisons

• 21,127,533,140 seconds is equal to 671 years, 41 weeks, 15 hours, 12 minutes, 20 seconds.
• To count from 1 to 21,127,533,140 would take you about one thousand, three hundred forty-three 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 21127533140 cubic inches would be around 230.4 feet tall.

Recreational maths with 21127533140

• 21127533140 backwards is 04133572112
• The number of decimal digits it has is: 11
• The sum of 21127533140's digits is 29
• More coming soon!