21351546112

Names of 21351546112

• Cardinal: 21351546112 can be written as Twenty-one billion, three hundred fifty-one million, five hundred forty-six thousand, one hundred twelve.

Scientific notation

• Scientific notation: 2.1351546112 × 10¹⁰

Factors of 21351546112

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4902

Divisors of 21351546112

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 43 52 62 64 86 104 124 128 172 208 248 256 344 403 416 496 559 688 806 832 992 1118 1333 1376 1612 1664 1984 2236 2666 2752 3224 3328 3968 4472 4813 5332 5504 6448 7936 8944 9626 10664 11008 12896 17329 17888 19252 21328 25792 34658 35776 38504 42656 51584 62569 69316 71552 77008 85312 103168 125138 138632 143104 149203 154016 170624 206959 250276 277264 298406 308032 341248 413918 500552 554528 596812 616064 827836 1001104 1109056 1193624 1232128 1655672 1939639 2002208 2218112 2387248 2690467 3311344 3879278 4004416 4436224 4774496 5380934 6415729 6622688 7758556 8008832 9548992 10761868 12831458 13245376 15517112 16017664 19097984 21523736 25662916 26490752 31034224 38195968 43047472 51325832 52981504 62068448 83404477 86094944 102651664 124136896 166808954 172189888 205303328 248273792 333617908 344379776 410606656 496547584 667235816 688759552 821213312 1334471632 1642426624 2668943264 5337886528 10675773056 21351546112
• Sum of all divisors σ(n): 48490613248
• Sum of proper divisors (its aliquot sum) s(n): 27139067136
• 21351546112 is an abundant number, because the sum of its proper divisors (27139067136) is greater than itself. Its abundance is 5787521024

Bases of 21351546112

• Binary: 10011111000101001101011110100000000₂
• Hexadecimal: 0x4F8A6BD00
• Base-36: 9T45QF4

Squares and roots of 21351546112

• 21351546112 squared (21351546112²) is 455888521372862316544
• 21351546112 cubed (21351546112³) is 9733924786024167297116356476928
• The square root of 21351546112 is 146121.6825525903
• The cube root of 21351546112 is 2774.2341251217

Scales and comparisons

• 21,351,546,112 seconds is equal to 678 years, 47 weeks, 3 days, 9 hours, 1 minute, 52 seconds.
• To count from 1 to 21,351,546,112 would take you about one thousand, three hundred fifty-seven 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 21351546112 cubic inches would be around 231.2 feet tall.

Recreational maths with 21351546112

• 21351546112 backwards is 21164515312
• 21351546112 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21351546112's digits is 31
• More coming soon!