20421522459

Names of 20421522459

• Cardinal: 20421522459 can be written as Twenty billion, four hundred twenty-one million, five hundred twenty-two thousand, four hundred fifty-nine.

Scientific notation

• Scientific notation: 2.0421522459 × 10¹⁰

Factors of 20421522459

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 486

Divisors of 20421522459

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 17 31 39 51 73 93 117 153 169 219 221 279 349 403 507 527 657 663 949 1047 1209 1241 1521 1581 1989 2263 2847 2873 3141 3627 3723 4537 4743 5239 5933 6789 6851 8541 8619 10819 11169 12337 13611 15717 16133 17799 20367 20553 25477 25857 29419 32457 37011 38471 40833 47151 48399 53397 58981 61659 76431 77129 88257 89063 97371 111033 115413 140647 145197 176943 183923 209729 229293 231387 264771 267189 331201 346239 382447 421941 433109 500123 530829 551769 629187 694161 789787 801567 993603 1002677 1147341 1265823 1299327 1500369 1655307 1828411 1887561 2369361 2390999 2980809 3008031 3442023 3897981 4305613 4501107 5485233 5630417 6501599 7108083 7172997 9024093 10267231 12916839 13426379 16455699 16891251 19504797 21518991 30801693 31082987 38750517 40279137 50673753 58514391 73195421 92405079 93248961 120837411 133474003 174542927 219586263 279746883 400422009 523628781 658758789 1201266027 1570886343 2269058051 6807174153 20421522459
• Sum of all divisors σ(n): 35490873600
• Sum of proper divisors (its aliquot sum) s(n): 15069351141
• 20421522459 is a deficient number, because the sum of its proper divisors (15069351141) is less than itself. Its deficiency is 5352171318

Bases of 20421522459

• Binary: 10011000001001101111011010000011011₂
• Hexadecimal: 0x4C137B41B
• Base-36: 9DQG3KR

Squares and roots of 20421522459

• 20421522459 squared (20421522459²) is 417038579543441406681
• 20421522459 cubed (20421522459³) is 8516562718415846652686594148579
• The square root of 20421522459 is 142903.8923857569
• The cube root of 20421522459 is 2733.3549908935

Scales and comparisons

• 20,421,522,459 seconds is equal to 649 years, 17 weeks, 5 days, 5 hours, 7 minutes, 39 seconds.
• To count from 1 to 20,421,522,459 would take you about one thousand, two hundred ninety-eight 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 20421522459 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421522459

• 20421522459 backwards is 95422512402
• The number of decimal digits it has is: 11
• The sum of 20421522459's digits is 36
• More coming soon!