21091683312

Names of 21091683312

• Cardinal: 21091683312 can be written as Twenty-one billion, ninety-one million, six hundred eighty-three thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1091683312 × 10¹⁰

Factors of 21091683312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3234

Divisors of 21091683312

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1091 1134 1296 1512 2131 2182 2268 3024 3273 4262 4364 4536 6393 6546 7637 8524 8728 9072 9819 12786 13092 14917 15274 17048 17456 19179 19638 22911 25572 26184 29457 29834 30548 34096 38358 39276 44751 45822 51144 52368 57537 58914 59668 61096 68733 76716 78552 88371 89502 91644 102288 115074 117828 119336 122192 134253 137466 153432 157104 172611 176742 179004 183288 206199 230148 235656 238672 268506 274932 306864 345222 353484 358008 366576 402759 412398 460296 471312 537012 549864 618597 690444 706968 716016 805518 824796 920592 1074024 1099728 1208277 1237194 1380888 1413936 1611036 1649592 2148048 2324921 2416554 2474388 2761776 3222072 3299184 4649842 4833108 4948776 6444144 6974763 9299684 9666216 9897552 13949526 16274447 18599368 19332432 20924289 27899052 32548894 37198736 41848578 48823341 55798104 62772867 65097788 83697156 97646682 111596208 125545734 130195576 146470023 167394312 188318601 195293364 251091468 260391152 292940046 334788624 376637202 390586728 439410069 502182936 585880092 753274404 781173456 878820138 1004365872 1171760184 1318230207 1506548808 1757640276 2343520368 2636460414 3013097616 3515280552 5272920828 7030561104 10545841656 21091683312
• Sum of all divisors σ(n): 69862945152
• Sum of proper divisors (its aliquot sum) s(n): 48771261840
• 21091683312 is an abundant number, because the sum of its proper divisors (48771261840) is greater than itself. Its abundance is 27679578528

Bases of 21091683312

• Binary: 10011101001001010011000101111110000₂
• Hexadecimal: 0x4E9298BF0
• Base-36: 9OTFZ00

Squares and roots of 21091683312

• 21091683312 squared (21091683312²) is 444859104933699289344
• 21091683312 cubed (21091683312³) is 9382827359721362167483104227328
• The square root of 21091683312 is 145229.7604212029
• The cube root of 21091683312 is 2762.9333840709

Scales and comparisons

• 21,091,683,312 seconds is equal to 670 years, 33 weeks, 5 days, 16 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,091,683,312 would take you about one thousand, three hundred forty-one 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 21091683312 cubic inches would be around 230.2 feet tall.

Recreational maths with 21091683312

• 21091683312 backwards is 21338619012
• 21091683312 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21091683312's digits is 36
• More coming soon!