21335500928

Names of 21335500928

• Cardinal: 21335500928 can be written as Twenty-one billion, three hundred thirty-five million, five hundred thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1335500928 × 10¹⁰

Factors of 21335500928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4290

Divisors of 21335500928

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 73 79 112 128 146 158 224 292 316 448 511 553 584 632 896 1022 1106 1168 1264 2044 2212 2336 2528 4088 4129 4424 4672 5056 5767 8176 8258 8848 9344 10112 11534 16352 16516 17696 23068 28903 32704 33032 35392 40369 46136 57806 65408 66064 70784 80738 92272 115612 132128 161476 184544 231224 264256 301417 322952 326191 369088 462448 528512 602834 645904 652382 738176 924896 1205668 1291808 1304764 1849792 2109919 2283337 2411336 2583616 2609528 3699584 4219838 4566674 4822672 5167232 5219056 8439676 9133348 9645344 10438112 16879352 18266696 19290688 20876224 23811943 33758704 36533392 38581376 41752448 47623886 67517408 73066784 95247772 135034816 146133568 166683601 190495544 270069632 292267136 333367202 380991088 666734404 761982176 1333468808 1523964352 2666937616 3047928704 5333875232 10667750464 21335500928
• Sum of all divisors σ(n): 49877184000
• Sum of proper divisors (its aliquot sum) s(n): 28541683072
• 21335500928 is an abundant number, because the sum of its proper divisors (28541683072) is greater than itself. Its abundance is 7206182144

Bases of 21335500928

• Binary: 10011110111101100011110100010000000₂
• Hexadecimal: 0x4F7B1E880
• Base-36: 9SULTVK

Squares and roots of 21335500928

• 21335500928 squared (21335500928²) is 455203599848688861184
• 21335500928 cubed (21335500928³) is 9711996827000641857374495178752
• The square root of 21335500928 is 146066.7687326587
• The cube root of 21335500928 is 2773.5390271089

Scales and comparisons

• 21,335,500,928 seconds is equal to 678 years, 20 weeks, 6 days, 16 hours, 2 minutes, 8 seconds.
• To count from 1 to 21,335,500,928 would take you about one thousand, three hundred fifty-six 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 21335500928 cubic inches would be around 231.1 feet tall.

Recreational maths with 21335500928

• 21335500928 backwards is 82900553312
• The number of decimal digits it has is: 11
• The sum of 21335500928's digits is 38
• More coming soon!