21473411328

Names of 21473411328

• Cardinal: 21473411328 can be written as Twenty-one billion, four hundred seventy-three million, four hundred eleven thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1473411328 × 10¹⁰

Factors of 21473411328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 300683

Divisors of 21473411328

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 558 576 744 768 992 1116 1152 1488 1984 2232 2304 2976 3968 4464 5952 7936 8928 11904 17856 23808 35712 71424 300647 601294 901941 1202588 1803882 2405176 2705823 3607764 4810352 5411646 7215528 9320057 9620704 10823292 14431056 18640114 19241408 21646584 27960171 28862112 37280228 38482816 43293168 55920342 57724224 74560456 76965632 83880513 86586336 111840684 115448448 149120912 167761026 173172672 223681368 230896896 298241824 335522052 346345344 447362736 596483648 671044104 692690688 894725472 1192967296 1342088208 1789450944 2385934592 2684176416 3578901888 5368352832 7157803776 10736705664 21473411328
• Sum of all divisors σ(n): 63910549248
• Sum of proper divisors (its aliquot sum) s(n): 42437137920
• 21473411328 is an abundant number, because the sum of its proper divisors (42437137920) is greater than itself. Its abundance is 20963726592

Bases of 21473411328

• Binary: 10011111111111010100100000100000000₂
• Hexadecimal: 0x4FFEA4100
• Base-36: 9V4PQ80

Squares and roots of 21473411328

• 21473411328 squared (21473411328²) is 461107394061478723584
• 21473411328 cubed (21473411328³) is 9901548739064317151439646359552
• The square root of 21473411328 is 146538.0883183617
• The cube root of 21473411328 is 2779.5021505539

Scales and comparisons

• 21,473,411,328 seconds is equal to 682 years, 40 weeks, 6 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,473,411,328 would take you about one thousand, three hundred sixty-five 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 21473411328 cubic inches would be around 231.6 feet tall.

Recreational maths with 21473411328

• 21473411328 backwards is 82311437412
• 21473411328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21473411328's digits is 36
• More coming soon!