21402390884562

Names of 21402390884562

• Cardinal: 21402390884562 can be written as Twenty-one trillion, four hundred two billion, three hundred ninety million, eight hundred eighty-four thousand, five hundred sixty-two.

Scientific notation

• Scientific notation: 2.1402390884562 × 10¹³

Factors of 21402390884562

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3045484

Divisors of 21402390884562

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 29 58 87 174 261 522 13523 27046 40569 81138 121707 243414 392167 784334 1176501 2353002 3031927 3529503 6063854 7059006 9095781 18191562 27287343 54574686 87925883 175851766 263777649 527555298 791332947 1582665894 41000748821 82001497642 123002246463 246004492926 369006739389 738013478778 1189021715809 2378043431618 3567065147427 7134130294854 10701195442281 21402390884562
• Sum of all divisors σ(n): 47974439298240
• Sum of proper divisors (its aliquot sum) s(n): 26572048413678
• 21402390884562 is an abundant number, because the sum of its proper divisors (26572048413678) is greater than itself. Its abundance is 5169657529116

Bases of 21402390884562

• Binary: 100110111011100100001111001111111000011010010₂
• Hexadecimal: 0x137721E7F0D2
• Base-36: 7L44EXTCI

Squares and roots of 21402390884562

• 21402390884562 squared (21402390884562²) is 458062335575582588809931844
• 21402390884562 cubed (21402390884562³) is 9803629155484028724328283121598091792328
• The square root of 21402390884562 is 4626271.8126545483
• The cube root of 21402390884562 is 27764.3448857633

Scales and comparisons

• 21,402,390,884,562 seconds is equal to 680,529 years, 43 weeks, 11 hours, 2 minutes, 42 seconds.
• To count from 1 to 21,402,390,884,562 would take you about one million, seven hundred one thousand, three hundred twenty-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 21402390884562 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402390884562

• 21402390884562 backwards is 26548809320412
• The number of decimal digits it has is: 14
• The sum of 21402390884562's digits is 54
• More coming soon!