21484524642

Names of 21484524642

• Cardinal: 21484524642 can be written as Twenty-one billion, four hundred eighty-four million, five hundred twenty-four thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.1484524642 × 10¹⁰

Factors of 21484524642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1984

Divisors of 21484524642

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 61 62 93 122 157 183 186 217 314 366 427 434 471 651 854 942 1099 1281 1302 1723 1891 2198 2562 3297 3446 3782 4867 5169 5673 6594 9577 9734 10338 11346 12061 13237 14601 19154 24122 26474 28731 29202 34069 36183 39711 53413 57462 67039 68138 72366 79422 102207 105103 106826 134078 160239 201117 204414 210206 270511 296887 315309 320478 373891 402234 541022 593774 630618 735721 747782 811533 890661 1121673 1471442 1623066 1781322 1893577 2078209 2207163 2243346 3258193 3787154 4156418 4414326 5680731 6234627 6516386 8385841 9774579 11361462 12469254 16501171 16771682 19549158 22807351 25157523 33002342 45614702 49503513 50315046 58700887 68422053 99007026 115508197 117401774 136844106 176102661 231016394 346524591 352205322 511536301 693049182 1023072602 1534608903 3069217806 3580754107 7161508214 10742262321 21484524642
• Sum of all divisors σ(n): 51880869888
• Sum of proper divisors (its aliquot sum) s(n): 30396345246
• 21484524642 is an abundant number, because the sum of its proper divisors (30396345246) is greater than itself. Its abundance is 8911820604

Bases of 21484524642

• Binary: 10100000000100100111101010001100010₂
• Hexadecimal: 0x50093D462
• Base-36: 9VBBXB6

Squares and roots of 21484524642

• 21484524642 squared (21484524642²) is 461584799092705228164
• 21484524642 cubed (21484524642³) is 9916929990479844716931690417288
• The square root of 21484524642 is 146576.0029540989
• The cube root of 21484524642 is 2779.9815675157

Scales and comparisons

• 21,484,524,642 seconds is equal to 683 years, 7 weeks, 2 days, 11 hours, 30 minutes, 42 seconds.
• To count from 1 to 21,484,524,642 would take you about one thousand, three hundred sixty-six 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 21484524642 cubic inches would be around 231.7 feet tall.

Recreational maths with 21484524642

• 21484524642 backwards is 24642548412
• 21484524642 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21484524642's digits is 42
• More coming soon!