21122865708

Names of 21122865708

• Cardinal: 21122865708 can be written as Twenty-one billion, one hundred twenty-two million, eight hundred sixty-five thousand, seven hundred eight.

Scientific notation

• Scientific notation: 2.1122865708 × 10¹⁰

Factors of 21122865708

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3207

Divisors of 21122865708

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 53 84 98 106 147 159 196 212 233 294 318 371 466 588 636 699 742 932 1113 1398 1484 1631 2226 2597 2796 2909 3262 4452 4893 5194 5818 6524 7791 8727 9786 10388 11417 11636 12349 15582 17454 19572 20363 22834 24698 31164 34251 34908 37047 40726 45668 49396 61089 68502 74094 81452 86443 122178 137004 142541 148188 154177 172886 244356 259329 285082 308354 345772 427623 462531 518658 570164 605101 616708 677797 855246 925062 1037316 1079239 1210202 1355594 1710492 1815303 1850124 2033391 2158478 2420404 2711188 3237717 3630606 4066782 4316956 4744579 6475434 7261212 7554673 8133564 9489158 12950868 14233737 15109346 18978316 22664019 28467474 30218692 33212053 35923241 45328038 56934948 66424106 71846482 90656076 99636159 107769723 132848212 143692964 199272318 215539446 251462687 398544636 431078892 502925374 754388061 1005850748 1508776122 1760238809 3017552244 3520477618 5280716427 7040955236 10561432854 21122865708
• Sum of all divisors σ(n): 58686132960
• Sum of proper divisors (its aliquot sum) s(n): 37563267252
• 21122865708 is an abundant number, because the sum of its proper divisors (37563267252) is greater than itself. Its abundance is 16440401544

Bases of 21122865708

• Binary: 10011101011000001010101101000101100₂
• Hexadecimal: 0x4EB055A2C
• Base-36: 9PC0BHO

Squares and roots of 21122865708

• 21122865708 squared (21122865708²) is 446175455718202341264
• 21122865708 cubed (21122865708³) is 9424504233341288745690658974912
• The square root of 21122865708 is 145337.0761643429
• The cube root of 21122865708 is 2764.2943069005

Scales and comparisons

• 21,122,865,708 seconds is equal to 671 years, 33 weeks, 2 days, 14 hours, 41 minutes, 48 seconds.
• To count from 1 to 21,122,865,708 would take you about one thousand, three hundred forty-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 21122865708 cubic inches would be around 230.4 feet tall.

Recreational maths with 21122865708

• 21122865708 backwards is 80756822112
• 21122865708 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21122865708's digits is 42
• More coming soon!