21526481040

Names of 21526481040

• Cardinal: 21526481040 can be written as Twenty-one billion, five hundred twenty-six million, four hundred eighty-one thousand and forty.

Scientific notation

• Scientific notation: 2.152648104 × 10¹⁰

Factors of 21526481040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 89693681

Divisors of 21526481040

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 89693671 179387342 269081013 358774684 448468355 538162026 717549368 896936710 1076324052 1345405065 1435098736 1793873420 2152648104 2690810130 3587746840 4305296208 5381620260 7175493680 10763240520 21526481040
• Sum of all divisors σ(n): 66732091968
• Sum of proper divisors (its aliquot sum) s(n): 45205610928
• 21526481040 is an abundant number, because the sum of its proper divisors (45205610928) is greater than itself. Its abundance is 23679129888

Bases of 21526481040

• Binary: 10100000011000101000000100010010000₂
• Hexadecimal: 0x503140890
• Base-36: 9W0B72O

Squares and roots of 21526481040

• 21526481040 squared (21526481040²) is 463389385965479481600
• 21526481040 cubed (21526481040³) is 9975142831123136155171428864000
• The square root of 21526481040 is 146719.0547952105
• The cube root of 21526481040 is 2781.7900346357

Scales and comparisons

• 21,526,481,040 seconds is equal to 684 years, 24 weeks, 5 days, 2 hours, 4 minutes.
• To count from 1 to 21,526,481,040 would take you about one thousand, three hundred sixty-eight 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 21526481040 cubic inches would be around 231.8 feet tall.

Recreational maths with 21526481040

• 21526481040 backwards is 04018462512
• The number of decimal digits it has is: 11
• The sum of 21526481040's digits is 33
• More coming soon!