21356031375

Names of 21356031375

• Cardinal: 21356031375 can be written as Twenty-one billion, three hundred fifty-six million, thirty-one thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1356031375 × 10¹⁰

Factors of 21356031375

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 178

Divisors of 21356031375

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 29 35 45 49 61 63 73 75 87 105 125 135 145 147 175 183 189 203 219 225 245 261 305 315 365 375 427 435 441 511 525 549 609 657 675 725 735 783 875 915 945 1015 1095 1125 1225 1281 1305 1323 1421 1525 1533 1575 1647 1769 1825 1827 1971 2117 2135 2175 2205 2555 2625 2745 2989 3045 3285 3375 3577 3625 3675 3843 3915 4263 4453 4575 4599 4725 5075 5307 5475 5481 6125 6351 6405 6525 6615 7105 7625 7665 7875 8235 8845 8967 9125 9135 9855 10585 10675 10731 10875 11025 11529 12383 12775 12789 13359 13725 13797 14819 14945 15225 15921 16425 17885 18375 19053 19215 19575 21315 22265 22875 22995 23625 25375 26535 26901 27375 27405 31171 31755 32025 32193 32625 33075 35525 37149 38325 38367 40077 41175 44225 44457 44835 45675 47763 49275 52925 53375 53655 55125 57159 57645 61915 63875 63945 66795 68625 68985 74095 74725 76125 79605 80703 82125 86681 89425 93513 95265 96075 96579 97875 103733 106575 111325 111447 114975 120231 129137 132675 133371 134505 137025 155855 158775 160125 160965 165375 177625 185745 191625 191835 200385 205875 218197 221125 222285 224175 228375 238815 246375 260043 264625 268275 280539 285795 288225 309575 311199 319725 333975 334341 344925 370475 373625 387411 398025 400113 403515 433405 447125 467565 476325 480375 482895 518665 532875 556625 557235 574875 601155 645685 654591 663375 666855 672525 685125 779275 780129 793875 804825 841617 903959 928725 933597 959175 1001925 1090985 1111425 1120875 1162233 1194075 1300215 1341375 1402695 1428975 1441125 1547875 1555995 1598625 1669875 1671705 1724625 1852375 1937055 1963773 1990125 2000565 2017575 2167025 2337825 2340387 2381625 2414475 2593325 2711877 2786175 2800791 3005775 3228425 3272955 3334275 3362625 3486699 3896375 3900645 4024125 4208085 4519795 4643625 4667985 4795875 5009625 5454925 5557125 5811165 5891319 5970375 6327713 6501075 7013475 7144875 7779975 8135631 8358525 9685275 9818865 10002825 10087875 10835125 11689125 11701935 12072375 12966625 13559385 13930875 14003955 15028875 16142125 16364775 16671375 17433495 18983139 19503225 21040425 22598975 23339925 24406893 27274625 29055825 29456595 31638565 32505375 35067375 38899875 40678155 41792625 48426375 49094325 50014125 56949417 58509675 67796925 70019775 81823875 87167475 94915695 97516125 105202125 112994875 116699625 122034465 145279125 147282975 158192825 170848251 203390775 245471625 284747085 292548375 338984625 350098875 435837375 474578475 610172325 736414875 790964125 854241255 1016953875 1423735425 2372892375 3050861625 4271206275 7118677125 21356031375
• Sum of all divisors σ(n): 48955795200
• Sum of proper divisors (its aliquot sum) s(n): 27599763825
• 21356031375 is an abundant number, because the sum of its proper divisors (27599763825) is greater than itself. Its abundance is 6243732450

Bases of 21356031375

• Binary: 10011111000111010110010110110001111₂
• Hexadecimal: 0x4F8EB2D8F
• Base-36: 9T6TV9R

Squares and roots of 21356031375

• 21356031375 squared (21356031375²) is 456080076089984390625
• 21356031375 cubed (21356031375³) is 9740060414490093969447755859375
• The square root of 21356031375 is 146137.0294449699
• The cube root of 21356031375 is 2774.4283702039

Scales and comparisons

• 21,356,031,375 seconds is equal to 679 years, 2 weeks, 6 days, 6 hours, 56 minutes, 15 seconds.
• To count from 1 to 21,356,031,375 would take you about one thousand, three hundred fifty-eight 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 21356031375 cubic inches would be around 231.2 feet tall.

Recreational maths with 21356031375

• 21356031375 backwards is 57313065312
• The number of decimal digits it has is: 11
• The sum of 21356031375's digits is 36
• More coming soon!