21359236846728

Names of 21359236846728

• Cardinal: 21359236846728 can be written as Twenty-one trillion, three hundred fifty-nine billion, two hundred thirty-six million, eight hundred forty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1359236846728 × 10¹³

Factors of 21359236846728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 810929

Divisors of 21359236846728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 43 44 66 86 88 121 129 132 172 211 242 258 264 344 363 422 473 484 516 633 726 844 946 968 1032 1266 1419 1452 1688 1892 2321 2532 2838 2904 3784 4642 5064 5203 5676 6963 9073 9284 10406 11352 13926 15609 18146 18568 20812 25531 27219 27852 31218 36292 41624 51062 54438 55704 62436 72584 76593 99803 102124 108876 124872 153186 199606 204248 217752 299409 306372 399212 598818 612744 798424 810659 1097833 1197636 1621318 2195666 2395272 2431977 3242636 3293499 4391332 4863954 6485272 6586998 8782664 8917249 9727908 13173996 17834498 19455816 26347992 26751747 34858337 35668996 53503494 69716674 71337992 98089739 104575011 107006988 139433348 171049049 196179478 209150022 214013976 278866696 294269217 342098098 383441707 392358956 418300044 513147147 588538434 684196196 766883414 784717912 836600088 1026294294 1150325121 1177076868 1368392392 1533766828 1881539539 2052588588 2300650242 2354153736 3067533656 3763079078 4105177176 4217858777 4601300484 5644618617 7355109107 7526158156 8435717554 9202600968 11289237234 12653576331 14710218214 15052316312 16871435108 20696934929 22065327321 22578474468 25307152662 29420436428 33742870216 41393869858 44130654642 45156948936 50614305324 58840872856 62090804787 80906200177 82787739716 88261309284 101228610648 124181609574 161812400354 165575479432 176522618568 242718600531 248363219148 323624800708 485437201062 496726438296 647249601416 889968201947 970874402124 1779936403894 1941748804248 2669904605841 3559872807788 5339809211682 7119745615576 10679618423364 21359236846728
• Sum of all divisors σ(n): 60343455110400
• Sum of proper divisors (its aliquot sum) s(n): 38984218263672
• 21359236846728 is an abundant number, because the sum of its proper divisors (38984218263672) is greater than itself. Its abundance is 17624981416944

Bases of 21359236846728

• Binary: 100110110110100010101101110011001010010001000₂
• Hexadecimal: 0x136D15B99488
• Base-36: 7KKAQ50NC

Squares and roots of 21359236846728

• 21359236846728 squared (21359236846728²) is 456216998674623076564305984
• 21359236846728 cubed (21359236846728³) is 9744446928194668357149329061609901220352
• The square root of 21359236846728 is 4621605.4403992559
• The cube root of 21359236846728 is 27745.6717418905

Scales and comparisons

• 21,359,236,846,728 seconds is equal to 679,157 years, 34 weeks, 3 days, 10 hours, 18 minutes, 48 seconds.
• To count from 1 to 21,359,236,846,728 would take you about one million, six hundred ninety-seven thousand, eight hundred ninety-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 21359236846728 cubic inches would be around 2312.1 feet tall.

Recreational maths with 21359236846728

• 21359236846728 backwards is 82764863295312
• 21359236846728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21359236846728's digits is 66
• More coming soon!