21243543233664

Names of 21243543233664

• Cardinal: 21243543233664 can be written as Twenty-one trillion, two hundred forty-three billion, five hundred forty-three million, two hundred thirty-three thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1243543233664 × 10¹³

Factors of 21243543233664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 140454

Divisors of 21243543233664

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 199 384 398 597 796 1194 1592 2011 2388 3184 4022 4776 6033 6368 8044 9552 12066 12736 16088 19104 24132 25472 32176 38208 48264 64352 76416 96528 128704 138239 193056 257408 276478 386112 400189 414717 552956 772224 800378 829434 1105912 1200567 1600756 1658868 2211824 2401134 3201512 3317736 4423648 4802268 6403024 6635472 8847296 9604536 12806048 13270944 17694592 19209072 25612096 26541888 27509561 38418144 51224192 53083776 55019122 76836288 82528683 110038244 153672576 165057366 220076488 277998629 330114732 440152976 555997258 660229464 833995887 880305952 1111994516 1320458928 1667991774 1760611904 2223989032 2640917856 3335983548 3521223808 4447978064 5281835712 6671967096 8895956128 10563671424 13343934192 17791912256 26687868384 35583824512 53375736768 55321727171 106751473536 110643454342 165965181513 221286908684 331930363026 442573817368 663860726052 885147634736 1327721452104 1770295269472 2655442904208 3540590538944 5310885808416 7081181077888 10621771616832 21243543233664
• Sum of all divisors σ(n): 56740331520000
• Sum of proper divisors (its aliquot sum) s(n): 35496788286336
• 21243543233664 is an abundant number, because the sum of its proper divisors (35496788286336) is greater than itself. Its abundance is 14253245052672

Bases of 21243543233664

• Binary: 100110101001000100101110110010010010010000000₂
• Hexadecimal: 0x135225D92480
• Base-36: 7J35D5DHC

Squares and roots of 21243543233664

• 21243543233664 squared (21243543233664²) is 451288129120551517702864896
• 21243543233664 cubed (21243543233664³) is 9586958881811777752860621473888751058944
• The square root of 21243543233664 is 4609071.8408009219
• The cube root of 21243543233664 is 27695.4856443793

Scales and comparisons

• 21,243,543,233,664 seconds is equal to 675,478 years, 50 weeks, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 21,243,543,233,664 would take you about one million, six hundred eighty-eight thousand, six hundred ninety-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 21243543233664 cubic inches would be around 2308 feet tall.

Recreational maths with 21243543233664

• 21243543233664 backwards is 46633234534212
• 21243543233664 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21243543233664's digits is 48
• More coming soon!