21338329688

Names of 21338329688

• Cardinal: 21338329688 can be written as Twenty-one billion, three hundred thirty-eight million, three hundred twenty-nine thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1338329688 × 10¹⁰

Factors of 21338329688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 301

Divisors of 21338329688

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 17 26 29 34 52 58 68 104 113 116 127 136 221 226 232 254 377 442 452 493 508 754 841 884 904 986 1016 1469 1508 1651 1682 1768 1921 1972 2159 2938 3016 3277 3302 3364 3683 3842 3944 4318 5876 6409 6554 6604 6728 7366 7684 8636 10933 11752 12818 13108 13208 14297 14351 14732 15368 17272 21866 24973 25636 26216 28067 28594 28702 29464 42601 43732 47879 49946 51272 55709 56134 57188 57404 62611 85202 87464 95033 95758 99892 106807 111418 112268 114376 114808 125222 170404 185861 186563 190066 191516 199784 213614 222836 224536 243967 250444 340808 371722 373126 380132 383032 416179 427228 445672 487934 500888 724217 743444 746252 760264 813943 832358 854456 975868 1235429 1388491 1448434 1486888 1492504 1615561 1627886 1664716 1815719 1951736 2470858 2776982 2896868 3171571 3231122 3255772 3329432 3631438 4941716 5410327 5553964 5793736 6343142 6462244 6511544 7075043 7262876 9883432 10820654 11107928 12069191 12686284 12924488 14150086 14525752 21002293 21641308 23604347 24138382 25372568 28300172 42004586 43282616 47208694 48276764 56600344 84009172 91975559 94417388 96553528 156899483 168018344 183951118 188834776 205176247 313798966 367902236 410352494 627597932 735804472 820704988 1255195864 1641409976 2667291211 5334582422 10669164844 21338329688
• Sum of all divisors σ(n): 48042408960
• Sum of proper divisors (its aliquot sum) s(n): 26704079272
• 21338329688 is an abundant number, because the sum of its proper divisors (26704079272) is greater than itself. Its abundance is 5365749584

Bases of 21338329688

• Binary: 10011110111110111010001001001011000₂
• Hexadecimal: 0x4F7DD1258
• Base-36: 9SWAGK8

Squares and roots of 21338329688

• 21338329688 squared (21338329688²) is 455324313873782177344
• 21338329688 cubed (21338329688³) is 9715860324401156519664756188672
• The square root of 21338329688 is 146076.4515176897
• The cube root of 21338329688 is 2773.6615979291

Scales and comparisons

• 21,338,329,688 seconds is equal to 678 years, 25 weeks, 4 days, 9 hours, 48 minutes, 8 seconds.
• To count from 1 to 21,338,329,688 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 21338329688 cubic inches would be around 231.1 feet tall.

Recreational maths with 21338329688

• 21338329688 backwards is 88692383312
• The number of decimal digits it has is: 11
• The sum of 21338329688's digits is 53
• More coming soon!