21293908480

Names of 21293908480

• Cardinal: 21293908480 can be written as Twenty-one billion, two hundred ninety-three million, nine hundred eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.129390848 × 10¹⁰

Factors of 21293908480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 17350

Divisors of 21293908480

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 104 128 130 148 160 185 208 256 260 296 320 370 416 481 512 520 592 640 740 832 962 1040 1184 1280 1480 1664 1924 2080 2368 2405 2560 2960 3328 3848 4160 4736 4810 5920 6656 7696 8320 9472 9620 11840 15392 16640 17293 18944 19240 23680 30784 33280 34586 38480 47360 61568 69172 76960 86465 94720 123136 138344 153920 172930 224809 246272 276688 307840 345860 449618 553376 615680 639841 691720 899236 1106752 1124045 1231360 1279682 1383440 1798472 2213504 2248090 2559364 2766880 3199205 3596944 4427008 4496180 5118728 5533760 6398410 7193888 8317933 8854016 8992360 10237456 11067520 12796820 14387776 16635866 17984720 20474912 22135040 25593640 28775552 33271732 35969440 40949824 41589665 44270080 51187280 57551104 66543464 71938880 81899648 83179330 102374560 115102208 133086928 143877760 163799296 166358660 204749120 266173856 287755520 327598592 332717320 409498240 532347712 575511040 665434640 818996480 1064695424 1330869280 1637992960 2129390848 2661738560 4258781696 5323477120 10646954240 21293908480
• Sum of all divisors σ(n): 56472104304
• Sum of proper divisors (its aliquot sum) s(n): 35178195824
• 21293908480 is an abundant number, because the sum of its proper divisors (35178195824) is greater than itself. Its abundance is 13884287344

Bases of 21293908480

• Binary: 10011110101001101110100001000000000₂
• Hexadecimal: 0x4F5374200
• Base-36: 9S5UCXS

Squares and roots of 21293908480

• 21293908480 squared (21293908480²) is 453430538354615910400
• 21293908480 cubed (21293908480³) is 9655308385760320981609480192000
• The square root of 21293908480 is 145924.3244973229
• The cube root of 21293908480 is 2771.7355647155

Scales and comparisons

• 21,293,908,480 seconds is equal to 677 years, 4 weeks, 1 day, 6 hours, 34 minutes, 40 seconds.
• To count from 1 to 21,293,908,480 would take you about one thousand, three hundred fifty-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 21293908480 cubic inches would be around 231 feet tall.

Recreational maths with 21293908480

• 21293908480 backwards is 08480939212
• The number of decimal digits it has is: 11
• The sum of 21293908480's digits is 46
• More coming soon!