21097263824

Names of 21097263824

• Cardinal: 21097263824 can be written as Twenty-one billion, ninety-seven million, two hundred sixty-three thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1097263824 × 10¹⁰

Factors of 21097263824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8303

Divisors of 21097263824

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 29 52 56 58 61 91 104 112 116 122 182 203 208 232 244 364 377 406 427 464 488 728 754 793 812 854 976 1456 1508 1586 1624 1708 1769 2639 3016 3172 3248 3416 3538 5278 5551 6032 6344 6832 7076 8191 10556 11102 12383 12688 14152 16382 21112 22204 22997 24766 28304 32764 42224 44408 45994 49532 57337 65528 88816 91988 99064 106483 114674 131056 160979 183976 198128 212966 229348 237539 321958 367952 425932 458696 475078 499651 643916 745381 851864 917392 950156 999302 1287832 1490762 1662773 1703728 1900312 1998604 2575664 2981524 3088007 3325546 3497557 3800624 3997208 5963048 6176014 6495463 6651092 6995114 7994416 11926096 12352028 12990926 13302184 13990228 14489879 21616049 24704056 25981852 26604368 27980456 28979758 43232098 45468241 49408112 51963704 55960912 57959516 86464196 90936482 101429153 103927408 115919032 172928392 181872964 188368427 202858306 231838064 345856784 363745928 376736854 405716612 727491856 753473708 811433224 1318578989 1506947416 1622866448 2637157978 3013894832 5274315956 10548631912 21097263824
• Sum of all divisors σ(n): 52903280640
• Sum of proper divisors (its aliquot sum) s(n): 31806016816
• 21097263824 is an abundant number, because the sum of its proper divisors (31806016816) is greater than itself. Its abundance is 10708752992

Bases of 21097263824

• Binary: 10011101001011111101011001011010000₂
• Hexadecimal: 0x4E97EB2D0
• Base-36: 9OWRKY8

Squares and roots of 21097263824

• 21097263824 squared (21097263824²) is 445094540859459102976
• 21097263824 cubed (21097263824³) is 9390276955134156401423055540224
• The square root of 21097263824 is 145248.9718517827
• The cube root of 21097263824 is 2763.1770381381

Scales and comparisons

• 21,097,263,824 seconds is equal to 670 years, 43 weeks, 7 hours, 3 minutes, 44 seconds.
• To count from 1 to 21,097,263,824 would take you about one thousand, three hundred forty-one 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 21097263824 cubic inches would be around 230.3 feet tall.

Recreational maths with 21097263824

• 21097263824 backwards is 42836279012
• The number of decimal digits it has is: 11
• The sum of 21097263824's digits is 44
• More coming soon!