21072082824

Names of 21072082824

• Cardinal: 21072082824 can be written as Twenty-one billion, seventy-two million, eighty-two thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1072082824 × 10¹⁰

Factors of 21072082824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1779

Divisors of 21072082824

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 37 39 52 54 72 74 78 104 108 111 117 127 148 156 216 222 234 254 296 312 333 351 381 444 468 481 508 666 702 762 888 936 962 999 1016 1143 1332 1404 1443 1524 1597 1651 1924 1998 2286 2664 2808 2886 3048 3194 3302 3429 3848 3996 4329 4572 4699 4791 4953 5772 6388 6604 6858 7992 8658 9144 9398 9582 9906 11544 12776 12987 13208 13716 14097 14373 14859 17316 18796 19164 19812 20761 25974 27432 28194 28746 29718 34632 37592 38328 39624 41522 42291 43119 44577 51948 56388 57492 59089 59436 61087 62283 83044 84582 86238 89154 103896 112776 114984 118178 118872 122174 124566 126873 166088 169164 172476 177267 178308 183261 186849 202819 236356 244348 249132 253746 338328 344952 354534 356616 366522 373698 405638 472712 488696 498264 507492 531801 549783 560547 608457 709068 733044 747396 768157 811276 1014984 1063602 1099566 1121094 1216914 1418136 1466088 1494792 1536314 1595403 1622552 1649349 1825371 2127204 2199132 2242188 2304471 2433828 2636647 3072628 3190806 3298698 3650742 4254408 4398264 4484376 4608942 4867656 5273294 5476113 6145256 6381612 6597396 6913413 7301484 7504303 7909941 9217884 10546588 10952226 12763224 13194792 13826826 14602968 15008606 15819882 18435768 20740239 21093176 21904452 22512909 23729823 27653652 30017212 31639764 41480478 43808904 45025818 47459646 55307304 60034424 63279528 67538727 71189469 82960956 90051636 94919292 97555939 135077454 142378938 165921912 180103272 189838584 195111878 202616181 270154908 284757876 292667817 390223756 405232362 540309816 569515752 585335634 780447512 810464724 878003451 1170671268 1620929448 1756006902 2341342536 2634010353 3512013804 5268020706 7024027608 10536041412 21072082824
• Sum of all divisors σ(n): 65290444800
• Sum of proper divisors (its aliquot sum) s(n): 44218361976
• 21072082824 is an abundant number, because the sum of its proper divisors (44218361976) is greater than itself. Its abundance is 23146279152

Bases of 21072082824

• Binary: 10011100111111111100111011110001000₂
• Hexadecimal: 0x4E7FE7788
• Base-36: 9OHRV60

Squares and roots of 21072082824

• 21072082824 squared (21072082824²) is 444032674541515814976
• 21072082824 cubed (21072082824³) is 9356693294501057479680131572224
• The square root of 21072082824 is 145162.2637740263
• The cube root of 21072082824 is 2762.0772547321

Scales and comparisons

• 21,072,082,824 seconds is equal to 670 years, 1 week, 2 days, 20 hours, 20 minutes, 24 seconds.
• To count from 1 to 21,072,082,824 would take you about one thousand, three hundred forty 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 21072082824 cubic inches would be around 230.2 feet tall.

Recreational maths with 21072082824

• 21072082824 backwards is 42828027012
• 21072082824 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21072082824's digits is 36
• More coming soon!