21444907448

Names of 21444907448

• Cardinal: 21444907448 can be written as Twenty-one billion, four hundred forty-four million, nine hundred seven thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1444907448 × 10¹⁰

Factors of 21444907448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 597

Divisors of 21444907448

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 17 31 34 62 68 124 136 248 289 527 547 578 1054 1094 1156 2108 2188 2312 4216 4376 8959 9299 16957 17918 18598 33914 35836 37196 67828 71672 74392 135656 158083 288269 299209 316166 576538 598418 632332 1153076 1196836 1264664 2306152 2393672 4900573 5086553 9275479 9801146 10173106 18550958 19602292 20346212 37101916 39204584 40692424 74203832 86471401 157683143 172942802 315366286 345885604 630732572 691771208 1261465144 2680613431 5361226862 10722453724 21444907448
• Sum of all divisors σ(n): 44172191520
• Sum of proper divisors (its aliquot sum) s(n): 22727284072
• 21444907448 is an abundant number, because the sum of its proper divisors (22727284072) is greater than itself. Its abundance is 1282376624

Bases of 21444907448

• Binary: 10011111110001101110101000110111000₂
• Hexadecimal: 0x4FE3751B8
• Base-36: 9UNQSHK

Squares and roots of 21444907448

• 21444907448 squared (21444907448²) is 459884055453285872704
• 21444907448 cubed (21444907448³) is 9862171006006615227623189499392
• The square root of 21444907448 is 146440.7984408717
• The cube root of 21444907448 is 2778.2717657515

Scales and comparisons

• 21,444,907,448 seconds is equal to 681 years, 45 weeks, 5 days, 22 hours, 44 minutes, 8 seconds.
• To count from 1 to 21,444,907,448 would take you about one thousand, three hundred sixty-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 21444907448 cubic inches would be around 231.5 feet tall.

Recreational maths with 21444907448

• 21444907448 backwards is 84470944412
• The number of decimal digits it has is: 11
• The sum of 21444907448's digits is 47
• More coming soon!