21469646432

Names of 21469646432

• Cardinal: 21469646432 can be written as Twenty-one billion, four hundred sixty-nine million, six hundred forty-six thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1469646432 × 10¹⁰

Factors of 21469646432

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 154

Divisors of 21469646432

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 139 169 208 278 338 416 556 676 1112 1352 1807 2197 2224 2704 3614 4394 4448 5408 7228 8788 14456 17576 23491 28561 28912 35152 46982 57122 57824 70304 93964 114244 187928 228488 305383 371293 375856 456976 610766 742586 751712 913952 1221532 1485172 2443064 2970344 3969979 4826809 4886128 5940688 7939958 9653618 9772256 11881376 15879916 19307236 31759832 38614472 51609727 63519664 77228944 103219454 127039328 154457888 206438908 412877816 670926451 825755632 1341852902 1651511264 2683705804 5367411608 10734823216 21469646432
• Sum of all divisors σ(n): 46120159260
• Sum of proper divisors (its aliquot sum) s(n): 24650512828
• 21469646432 is an abundant number, because the sum of its proper divisors (24650512828) is greater than itself. Its abundance is 3180866396

Bases of 21469646432

• Binary: 10011111111101100001100111001100000₂
• Hexadecimal: 0x4FFB0CE60
• Base-36: 9V2H17K

Squares and roots of 21469646432

• 21469646432 squared (21469646432²) is 460945717915090330624
• 21469646432 cubed (21469646432³) is 9896341587981397595839261933568
• The square root of 21469646432 is 146525.2416206845
• The cube root of 21469646432 is 2779.3396992941

Scales and comparisons

• 21,469,646,432 seconds is equal to 682 years, 34 weeks, 5 days, 6 hours, 40 minutes, 32 seconds.
• To count from 1 to 21,469,646,432 would take you about one thousand, three hundred sixty-five 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 21469646432 cubic inches would be around 231.6 feet tall.

Recreational maths with 21469646432

• 21469646432 backwards is 23464696412
• The number of decimal digits it has is: 11
• The sum of 21469646432's digits is 47
• More coming soon!