21327490492

Names of 21327490492

• Cardinal: 21327490492 can be written as Twenty-one billion, three hundred twenty-seven million, four hundred ninety thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 2.1327490492 × 10¹⁰

Factors of 21327490492

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 317

Divisors of 21327490492

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 73 77 97 98 121 127 146 154 194 196 242 254 292 308 388 484 508 511 539 679 803 847 889 1022 1067 1078 1358 1397 1606 1694 1778 2044 2134 2156 2716 2794 3212 3388 3556 3577 4268 4753 5588 5621 5929 6223 7081 7154 7469 8833 9271 9506 9779 11242 11737 11858 12319 12446 14162 14308 14938 15367 17666 18542 19012 19558 22484 23474 23716 24638 24892 28324 29876 30734 35332 37084 39116 39347 46948 49276 49567 52283 61468 61831 64897 68453 77891 78694 82159 86233 99134 101981 104566 107569 123662 129794 135509 136906 155782 157388 164318 172466 198268 203962 209132 215138 247324 259588 271018 273812 311564 328636 344932 346969 407924 430276 432817 454279 542036 545237 575113 603631 693938 713867 752983 856801 865634 899287 908558 948563 1090474 1121791 1150226 1207262 1387876 1427734 1490599 1505966 1713602 1731268 1798574 1817116 1897126 2180948 2243582 2300452 2414524 2855468 2981198 3011932 3427204 3597148 3794252 3816659 4487164 4997069 5962396 5997607 6295009 6639941 7633318 7852537 9892157 9994138 10434193 11995214 12590018 13279882 15266636 15705074 19784314 19988276 20868386 23990428 25180036 26559764 31410148 39568628 41736772 41983249 44065063 54967759 69245099 73039351 83966498 88130126 108813727 109935518 138490198 146078702 167932996 176260252 217627454 219871036 276980396 292157404 435254908 484715693 761696089 969431386 1523392178 1938862772 3046784356 5331872623 10663745246 21327490492
• Sum of all divisors σ(n): 49259761152
• Sum of proper divisors (its aliquot sum) s(n): 27932270660
• 21327490492 is an abundant number, because the sum of its proper divisors (27932270660) is greater than itself. Its abundance is 6604780168

Bases of 21327490492

• Binary: 10011110111001101111010110110111100₂
• Hexadecimal: 0x4F737ADBC
• Base-36: 9SPU4ZG

Squares and roots of 21327490492

• 21327490492 squared (21327490492²) is 454861850686350402064
• 21327490492 cubed (21327490492³) is 9701061795686661874200337175488
• The square root of 21327490492 is 146039.3456983425
• The cube root of 21327490492 is 2773.1918742887

Scales and comparisons

• 21,327,490,492 seconds is equal to 678 years, 7 weeks, 4 days, 22 hours, 54 minutes, 52 seconds.
• To count from 1 to 21,327,490,492 would take you about one thousand, three hundred fifty-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 21327490492 cubic inches would be around 231.1 feet tall.

Recreational maths with 21327490492

• 21327490492 backwards is 29409472312
• The number of decimal digits it has is: 11
• The sum of 21327490492's digits is 43
• More coming soon!