21888022401

Names of 21888022401

• Cardinal: 21888022401 can be written as Twenty-one billion, eight hundred eighty-eight million, twenty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 2.1888022401 × 10¹⁰

Factors of 21888022401

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 66

Divisors of 21888022401

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 37 57 63 111 133 171 259 333 361 399 703 777 1083 1197 1369 2109 2331 2527 3249 4107 4921 6327 6859 7581 9583 12321 13357 14763 20577 22743 26011 28749 40071 44289 48013 50653 61731 78033 86247 93499 120213 144039 151959 182077 234099 253783 280497 354571 432117 455877 494209 546231 761349 841491 962407 1063713 1482627 1638693 1776481 2284047 2887221 3191139 3459463 4447881 5329443 6736849 8661663 9389971 10378389 15988329 18285733 20210547 28169913 31135167 54857199 60631641 65729797 84509739 128000131 164571597 197189391 347428927 384000393 591568173 1042286781 1152001179 2432002489 3126860343 7296007467 21888022401
• Sum of all divisors σ(n): 39199097600
• Sum of proper divisors (its aliquot sum) s(n): 17311075199
• 21888022401 is a deficient number, because the sum of its proper divisors (17311075199) is less than itself. Its deficiency is 4576947202

Bases of 21888022401

• Binary: 10100011000101000001011011110000001₂
• Hexadecimal: 0x518A0B781
• Base-36: A1ZKA69

Squares and roots of 21888022401

• 21888022401 squared (21888022401²) is 479085524626677804801
• 21888022401 cubed (21888022401³) is 10486234695023560953693793347201
• The square root of 21888022401 is 147946.0117779455
• The cube root of 21888022401 is 2797.2772171511

Scales and comparisons

• 21,888,022,401 seconds is equal to 695 years, 50 weeks, 3 days, 14 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,888,022,401 would take you about one thousand, three hundred ninety-one 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 21888022401 cubic inches would be around 233.1 feet tall.

Recreational maths with 21888022401

• 21888022401 backwards is 10422088812
• The number of decimal digits it has is: 11
• The sum of 21888022401's digits is 36
• More coming soon!