6642943671

Names of 6642943671

• Cardinal: 6642943671 can be written as Six billion, six hundred forty-two million, nine hundred forty-three thousand, six hundred seventy-one.

Scientific notation

• Scientific notation: 6.642943671 × 10⁹

Factors of 6642943671

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 397

Divisors of 6642943671

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 39 49 67 91 147 169 201 273 307 469 507 637 871 921 1183 1407 1911 2149 2197 2613 3283 3549 3991 6097 6447 6591 8281 9849 11323 11973 15043 15379 18291 20569 24843 27937 33969 42679 45129 46137 51883 61707 79261 83811 107653 128037 143983 147199 155649 195559 237783 267397 322959 363181 431949 441597 554827 586677 674479 802191 1007881 1030393 1089543 1664481 1871779 2023437 2542267 3023643 3091179 3476161 4721353 5615337 7212751 7626801 10428483 13102453 14164059 21638253 24333127 33049471 39307359 45190093 72999381 99148413 135570279 170331889 316330651 510995667 948991953 2214314557 6642943671
• Sum of all divisors σ(n): 11365052160
• Sum of proper divisors (its aliquot sum) s(n): 4722108489
• 6642943671 is a deficient number, because the sum of its proper divisors (4722108489) is less than itself. Its deficiency is 1920835182

Bases of 6642943671

• Binary: 110001011111100110100011010110111₂
• Hexadecimal: 0x18BF346B7
• Base-36: 31V1C53

Squares and roots of 6642943671

• 6642943671 squared (6642943671²) is 44128700616078956241
• 6642943671 cubed (6642943671³) is 293144472467035503197436900711
• The square root of 6642943671 is 81504.2555392047
• The cube root of 6642943671 is 1879.8369851675

Scales and comparisons

• 6,642,943,671 seconds is equal to 211 years, 11 weeks, 4 days, 22 hours, 7 minutes, 51 seconds.
• To count from 1 to 6,642,943,671 would take you about four hundred twenty-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 6642943671 cubic inches would be around 156.7 feet tall.

Recreational maths with 6642943671

• 6642943671 backwards is 1763492466
• The number of decimal digits it has is: 10
• The sum of 6642943671's digits is 48
• More coming soon!