21130093242

Names of 21130093242

• Cardinal: 21130093242 can be written as Twenty-one billion, one hundred thirty million, ninety-three thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 2.1130093242 × 10¹⁰

Factors of 21130093242

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 683

Divisors of 21130093242

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 27 54 67 89 134 178 201 211 267 311 402 422 534 603 622 633 801 933 1206 1266 1602 1809 1866 1899 2403 2799 3618 3798 4806 5598 5697 5963 8397 11394 11926 14137 16794 17889 18779 20837 27679 28274 35778 37558 41674 42411 53667 55358 56337 62511 65621 83037 84822 107334 112674 125022 127233 131242 161001 166074 169011 187533 196863 249111 254466 322002 338022 375066 381699 393726 498222 507033 562599 590589 747333 763398 1014066 1125198 1181178 1258193 1494666 1771767 1854493 2516386 3543534 3708986 3774579 4396607 5563479 5840269 7549158 8793214 11126958 11323737 11680538 13189821 16690437 17520807 22647474 26379642 33380874 33971211 35041614 39569463 50071311 52562421 67942422 79138926 100142622 105124842 118708389 157687263 237416778 315374526 391298023 782596046 1173894069 2347788138 3521682207 7043364414 10565046621 21130093242
• Sum of all divisors σ(n): 48576153600
• Sum of proper divisors (its aliquot sum) s(n): 27446060358
• 21130093242 is an abundant number, because the sum of its proper divisors (27446060358) is greater than itself. Its abundance is 6315967116

Bases of 21130093242

• Binary: 10011101011011100111010001010111010₂
• Hexadecimal: 0x4EB73A2BA
• Base-36: 9PGB8AI

Squares and roots of 21130093242

• 21130093242 squared (21130093242²) is 446480840415614070564
• 21130093242 cubed (21130093242³) is 9434181788748447343704487528488
• The square root of 21130093242 is 145361.9387666523
• The cube root of 21130093242 is 2764.6095537847

Scales and comparisons

• 21,130,093,242 seconds is equal to 671 years, 45 weeks, 2 days, 6 hours, 20 minutes, 42 seconds.
• To count from 1 to 21,130,093,242 would take you about one thousand, three hundred forty-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 21130093242 cubic inches would be around 230.4 feet tall.

Recreational maths with 21130093242

• 21130093242 backwards is 24239003112
• 21130093242 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21130093242's digits is 27
• More coming soon!