21441372428

Names of 21441372428

• Cardinal: 21441372428 can be written as Twenty-one billion, four hundred forty-one million, three hundred seventy-two thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1441372428 × 10¹⁰

Factors of 21441372428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1073

Divisors of 21441372428

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 59 67 118 134 236 268 307 413 469 614 631 826 938 1228 1262 1652 1876 2149 2524 3953 4298 4417 7906 8596 8834 15812 17668 18113 20569 27671 36226 37229 41138 42277 55342 72452 74458 82276 84554 110684 126791 143983 148916 169108 193717 253582 260603 287966 295939 387434 507164 521206 575932 591878 774868 1042412 1183756 1213571 1356019 2427142 2494343 2712038 4854284 4988686 5424076 8494997 9977372 11429303 12979039 16989994 17460401 22858606 25958078 33979988 34920802 45717212 51916156 69841604 80005121 90853273 160010242 181706546 320020484 363413092 765763301 1531526602 3063053204 5360343107 10720686214 21441372428
• Sum of all divisors σ(n): 44475002880
• Sum of proper divisors (its aliquot sum) s(n): 23033630452
• 21441372428 is an abundant number, because the sum of its proper divisors (23033630452) is greater than itself. Its abundance is 1592258024

Bases of 21441372428

• Binary: 10011111110000000010110000100001100₂
• Hexadecimal: 0x4FE01610C
• Base-36: 9ULN0UK

Squares and roots of 21441372428

• 21441372428 squared (21441372428²) is 459732451596198615184
• 21441372428 cubed (21441372428³) is 9857294711911577577217999746752
• The square root of 21441372428 is 146428.7281512749
• The cube root of 21441372428 is 2778.1190987997

Scales and comparisons

• 21,441,372,428 seconds is equal to 681 years, 40 weeks, 47 minutes, 8 seconds.
• To count from 1 to 21,441,372,428 would take you about one thousand, three hundred sixty-three 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 21441372428 cubic inches would be around 231.5 feet tall.

Recreational maths with 21441372428

• 21441372428 backwards is 82427314412
• The number of decimal digits it has is: 11
• The sum of 21441372428's digits is 38
• More coming soon!