21588329988

Names of 21588329988

• Cardinal: 21588329988 can be written as Twenty-one billion, five hundred eighty-eight million, three hundred twenty-nine thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1588329988 × 10¹⁰

Factors of 21588329988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5041

Divisors of 21588329988

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 29 34 36 51 58 68 87 102 116 153 174 204 257 261 306 348 493 514 522 612 771 986 1028 1044 1479 1542 1972 2313 2958 3084 4369 4437 4626 4733 5916 7453 8738 8874 9252 9466 13107 14199 14906 17476 17748 18932 22359 26214 28398 29812 39321 42597 44718 52428 56796 67077 78642 80461 85194 89436 126701 134154 137257 157284 160922 170388 241383 253402 268308 274514 321844 380103 411771 482766 506804 549028 724149 760206 823542 965532 1140309 1216381 1235313 1448298 1520412 1647084 2280618 2333369 2432762 2470626 2896596 3649143 4561236 4666738 4865524 4941252 7000107 7298286 9333476 10947429 14000214 14596572 20678477 21000321 21894858 28000428 35275049 41356954 42000642 43789716 62035431 70550098 82713908 84001284 105825147 124070862 141100196 186106293 211650294 248141724 317475441 372212586 423300588 599675833 634950882 744425172 1199351666 1269901764 1799027499 2398703332 3598054998 5397082497 7196109996 10794164994 21588329988
• Sum of all divisors σ(n): 60018220080
• Sum of proper divisors (its aliquot sum) s(n): 38429890092
• 21588329988 is an abundant number, because the sum of its proper divisors (38429890092) is greater than itself. Its abundance is 16841560104

Bases of 21588329988

• Binary: 10100000110110000111100011000000100₂
• Hexadecimal: 0x506C3C604
• Base-36: 9X14U10

Squares and roots of 21588329988

• 21588329988 squared (21588329988²) is 466055991670780080144
• 21588329988 cubed (21588329988³) is 10061370541073379827525758558272
• The square root of 21588329988 is 146929.6770159113
• The cube root of 21588329988 is 2784.4516598393

Scales and comparisons

• 21,588,329,988 seconds is equal to 686 years, 22 weeks, 6 days, 22 hours, 19 minutes, 48 seconds.
• To count from 1 to 21,588,329,988 would take you about one thousand, three hundred seventy-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 21588329988 cubic inches would be around 232 feet tall.

Recreational maths with 21588329988

• 21588329988 backwards is 88992388512
• The number of decimal digits it has is: 11
• The sum of 21588329988's digits is 63
• More coming soon!