21138137592384

Names of 21138137592384

• Cardinal: 21138137592384 can be written as Twenty-one trillion, one hundred thirty-eight billion, one hundred thirty-seven million, five hundred ninety-two thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1138137592384 × 10¹³

Factors of 21138137592384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 480762097

Divisors of 21138137592384

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 192 229 458 687 916 1374 1832 2748 3664 5496 7328 10992 14656 21984 43968 480761863 961523726 1442285589 1923047452 2884571178 3846094904 5769142356 7692189808 11538284712 15384379616 23076569424 30768759232 46153138848 92306277696 110094466627 220188933254 330283399881 440377866508 660566799762 880755733016 1321133599524 1761511466032 2642267199048 3523022932064 5284534398096 7046045864128 10569068796192 21138137592384
• Sum of all divisors σ(n): 56172216189760
• Sum of proper divisors (its aliquot sum) s(n): 35034078597376
• 21138137592384 is an abundant number, because the sum of its proper divisors (35034078597376) is greater than itself. Its abundance is 13895941004992

Bases of 21138137592384

• Binary: 100110011100110011011001011101011001001000000₂
• Hexadecimal: 0x13399B2EB240
• Base-36: 7HQQ5CO5C

Squares and roots of 21138137592384

• 21138137592384 squared (21138137592384²) is 446820860874557648134803456
• 21138137592384 cubed (21138137592384³) is 9444960836313868228985227753688882479104
• The square root of 21138137592384 is 4597623.0372208637
• The cube root of 21138137592384 is 27649.6034362795

Scales and comparisons

• 21,138,137,592,384 seconds is equal to 672,127 years, 20 weeks, 2 days, 6 hours, 46 minutes, 24 seconds.
• To count from 1 to 21,138,137,592,384 would take you about one million, six hundred eighty thousand, three hundred eighteen 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 21138137592384 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21138137592384

• 21138137592384 backwards is 48329573183112
• The number of decimal digits it has is: 14
• The sum of 21138137592384's digits is 57
• More coming soon!