21301515504

Names of 21301515504

• Cardinal: 21301515504 can be written as Twenty-one billion, three hundred one million, five hundred fifteen thousand, five hundred four.

Scientific notation

• Scientific notation: 2.1301515504 × 10¹⁰

Factors of 21301515504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 15726

Divisors of 21301515504

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 92 138 144 184 207 276 368 414 421 552 828 842 1104 1263 1656 1684 2526 3312 3368 3789 5052 6736 7578 9683 10104 15156 15277 19366 20208 29049 30312 30554 38732 45831 58098 60624 61108 77464 87147 91662 116196 122216 137493 154928 174294 183324 232392 244432 274986 348588 351371 366648 464784 549972 697176 702742 733296 1054113 1099944 1394352 1405484 2108226 2199888 2810968 3162339 4216452 5621936 6324678 6431617 8432904 12649356 12863234 16865808 19294851 25298712 25726468 38589702 50597424 51452936 57884553 77179404 102905872 115769106 147927191 154358808 231538212 295854382 308717616 443781573 463076424 591708764 887563146 926152848 1183417528 1331344719 1775126292 2366835056 2662689438 3550252584 5325378876 7100505168 10650757752 21301515504
• Sum of all divisors σ(n): 62358440352
• Sum of proper divisors (its aliquot sum) s(n): 41056924848
• 21301515504 is an abundant number, because the sum of its proper divisors (41056924848) is greater than itself. Its abundance is 19755409344

Bases of 21301515504

• Binary: 10011110101101010110101010011110000₂
• Hexadecimal: 0x4F5AB54F0
• Base-36: 9SADEK0

Squares and roots of 21301515504

• 21301515504 squared (21301515504²) is 453754562767152374016
• 21301515504 cubed (21301515504³) is 9665659853795237437032230744064
• The square root of 21301515504 is 145950.3871320663
• The cube root of 21301515504 is 2772.0655831763

Scales and comparisons

• 21,301,515,504 seconds is equal to 677 years, 16 weeks, 5 days, 7 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,301,515,504 would take you about one thousand, three hundred fifty-four 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 21301515504 cubic inches would be around 231 feet tall.

Recreational maths with 21301515504

• 21301515504 backwards is 40551510312
• The number of decimal digits it has is: 11
• The sum of 21301515504's digits is 27
• More coming soon!