21264160148

Names of 21264160148

• Cardinal: 21264160148 can be written as Twenty-one billion, two hundred sixty-four million, one hundred sixty thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 2.1264160148 × 10¹⁰

Factors of 21264160148

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1207

Divisors of 21264160148

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 343 539 686 1078 1187 1372 2156 2374 3773 4748 7546 8309 13057 15092 16618 26114 33236 52228 58163 91399 116326 182798 232652 365596 407141 639793 814282 1279586 1408969 1628564 2559172 2817938 4478551 5635876 8957102 9862783 15498659 17914204 19725566 30997318 39451132 61994636 69039481 108490613 138078962 216981226 276157924 433962452 483276367 759434291 966552734 1518868582 1933105468 3037737164 5316040037 10632080074 21264160148
• Sum of all divisors σ(n): 47381275200
• Sum of proper divisors (its aliquot sum) s(n): 26117115052
• 21264160148 is an abundant number, because the sum of its proper divisors (26117115052) is greater than itself. Its abundance is 4852954904

Bases of 21264160148

• Binary: 10011110011011100010101010110010100₂
• Hexadecimal: 0x4F3715594
• Base-36: 9RO4QZ8

Squares and roots of 21264160148

• 21264160148 squared (21264160148²) is 452164506799791381904
• 21264160148 cubed (21264160148³) is 9614898485832198917796885161792
• The square root of 21264160148 is 145822.3581896823
• The cube root of 21264160148 is 2770.4442261313

Scales and comparisons

• 21,264,160,148 seconds is equal to 676 years, 6 weeks, 6 days, 23 hours, 9 minutes, 8 seconds.
• To count from 1 to 21,264,160,148 would take you about one thousand, three hundred fifty-two 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 21264160148 cubic inches would be around 230.9 feet tall.

Recreational maths with 21264160148

• 21264160148 backwards is 84106146212
• The number of decimal digits it has is: 11
• The sum of 21264160148's digits is 35
• More coming soon!