21212038684672

Names of 21212038684672

• Cardinal: 21212038684672 can be written as Twenty-one trillion, two hundred twelve billion, thirty-eight million, six hundred eighty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1212038684672 × 10¹³

Factors of 21212038684672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 14893

Divisors of 21212038684672

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1408 1613 1936 2048 2816 3226 3872 4096 5632 6452 7744 8192 11264 12904 13267 15488 17743 22528 25808 26534 30976 35486 45056 51616 53068 61952 70972 90112 103232 106136 123904 141944 145937 195173 206464 212272 247808 283888 291874 390346 412928 424544 495616 567776 583748 780692 825856 849088 991232 1135552 1167496 1561384 1605307 1651712 1698176 2271104 2334992 3122768 3210614 3303424 3396352 4542208 4669984 6245536 6421228 6606848 6792704 9084416 9339968 12491072 12842456 13213696 13585408 18168832 18679936 21399671 24982144 25684912 27170816 36337664 37359872 42799342 49964288 51369824 54341632 72675328 74719744 85598684 99928576 102739648 108683264 145350656 149439488 171197368 199857152 205479296 235396381 298878976 342394736 399714304 410958592 470792762 597757952 684789472 799428608 821917184 941585524 1195515904 1369578944 1598857216 1643834368 1883171048 2589360191 2739157888 3287668736 3766342096 5178720382 5478315776 6575337472 7532684192 10357440764 10956631552 13150674944 15065368384 20714881528 21913263104 30130736768 41429763056 43826526208 60261473536 82859526112 87653052416 120522947072 165719052224 175306104832 241045894144 331438104448 482091788288 662876208896 964183576576 1325752417792 1928367153152 2651504835584 5303009671168 10606019342336 21212038684672
• Sum of all divisors σ(n): 46661002520328
• Sum of proper divisors (its aliquot sum) s(n): 25448963835656
• 21212038684672 is an abundant number, because the sum of its proper divisors (25448963835656) is greater than itself. Its abundance is 4236925150984

Bases of 21212038684672

• Binary: 100110100101011010000000001111110000000000000₂
• Hexadecimal: 0x134AD007E000
• Base-36: 7IOOC5JWG

Squares and roots of 21212038684672

• 21212038684672 squared (21212038684672²) is 449950585160021431847747584
• 21212038684672 cubed (21212038684672³) is 9544369218605177735851025752277225832448
• The square root of 21212038684672 is 4605652.9053622789
• The cube root of 21212038684672 is 27681.7879063871

Scales and comparisons

• 21,212,038,684,672 seconds is equal to 674,477 years, 11 weeks, 1 day, 23 hours, 57 minutes, 52 seconds.
• To count from 1 to 21,212,038,684,672 would take you about one million, six hundred eighty-six thousand, one hundred ninety-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 21212038684672 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21212038684672

• 21212038684672 backwards is 27648683021212
• The number of decimal digits it has is: 14
• The sum of 21212038684672's digits is 52
• More coming soon!