21433721088

Names of 21433721088

• Cardinal: 21433721088 can be written as Twenty-one billion, four hundred thirty-three million, seven hundred twenty-one thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1433721088 × 10¹⁰

Factors of 21433721088

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 12721

Divisors of 21433721088

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 256 312 338 384 416 507 624 676 768 832 1014 1248 1352 1664 2028 2197 2496 2704 3328 4056 4394 4992 5408 6591 8112 8788 9984 10816 12703 13182 16224 17576 21632 25406 26364 32448 35152 38109 43264 50812 52728 64896 70304 76218 101624 105456 129792 140608 152436 165139 203248 210912 281216 304872 330278 406496 421824 495417 562432 609744 660556 812992 843648 990834 1219488 1321112 1625984 1687296 1981668 2146807 2438976 2642224 3251968 3963336 4293614 4877952 5284448 6440421 7926672 8587228 9755904 10568896 12880842 15853344 17174456 21137792 25761684 27908491 31706688 34348912 42275584 51523368 55816982 63413376 68697824 83725473 103046736 111633964 126826752 137395648 167450946 206093472 223267928 274791296 334901892 412186944 446535856 549582592 669803784 824373888 893071712 1339607568 1648747776 1786143424 2679215136 3572286848 5358430272 7144573696 10716860544 21433721088
• Sum of all divisors σ(n): 61801402880
• Sum of proper divisors (its aliquot sum) s(n): 40367681792
• 21433721088 is an abundant number, because the sum of its proper divisors (40367681792) is greater than itself. Its abundance is 18933960704

Bases of 21433721088

• Binary: 10011111101100011001010000100000000₂
• Hexadecimal: 0x4FD8CA100
• Base-36: 9UH311C

Squares and roots of 21433721088

• 21433721088 squared (21433721088²) is 459404399678175903744
• 21433721088 cubed (21433721088³) is 9846745769302099281451230953472
• The square root of 21433721088 is 146402.5993211869
• The cube root of 21433721088 is 2777.7886028113

Scales and comparisons

• 21,433,721,088 seconds is equal to 681 years, 27 weeks, 2 days, 11 hours, 24 minutes, 48 seconds.
• To count from 1 to 21,433,721,088 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 21433721088 cubic inches would be around 231.5 feet tall.

Recreational maths with 21433721088

• 21433721088 backwards is 88012733412
• 21433721088 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21433721088's digits is 39
• More coming soon!