21152622243204

Names of 21152622243204

• Cardinal: 21152622243204 can be written as Twenty-one trillion, one hundred fifty-two billion, six hundred twenty-two million, two hundred forty-three thousand, two hundred four.

Scientific notation

• Scientific notation: 2.1152622243204 × 10¹³

Factors of 21152622243204

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 255516

Divisors of 21152622243204

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 255511 511022 766533 1022044 1533066 2299599 3066132 4599198 6898797 9198396 13797594 20696391 27595188 41392782 82785564 65285871121 130571742242 195857613363 261143484484 391715226726 587572840089 783430453452 1175145680178 1762718520267 2350291360356 3525437040534 5288155560801 7050874081068 10576311121602 21152622243204
• Sum of all divisors σ(n): 55297349258151
• Sum of proper divisors (its aliquot sum) s(n): 34144727014947
• 21152622243204 is an abundant number, because the sum of its proper divisors (34144727014947) is greater than itself. Its abundance is 12992104771743

Bases of 21152622243204

• Binary: 100110011110011111010100010001110110110000100₂
• Hexadecimal: 0x133CFA88ED84
• Base-36: 7HXDP5090

Squares and roots of 21152622243204

• 21152622243204 squared (21152622243204²) is 447433427763688620924185616
• 21152622243204 cubed (21152622243204³) is 9464390276467210089950716356330790553664
• 21152622243204 is a perfect square number. Its square root is 4599198
• The cube root of 21152622243204 is 27655.9175120599

Scales and comparisons

• 21,152,622,243,204 seconds is equal to 672,587 years, 49 weeks, 5 days, 16 hours, 53 minutes, 24 seconds.
• To count from 1 to 21,152,622,243,204 would take you about one million, six hundred eighty-one thousand, four hundred sixty-nine 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 21152622243204 cubic inches would be around 2304.7 feet tall.

Recreational maths with 21152622243204

• 21152622243204 backwards is 40234222625112
• 21152622243204 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21152622243204's digits is 36
• More coming soon!