2640138046

Names of 2640138046

• Cardinal: 2640138046 can be written as Two billion, six hundred forty million, one hundred thirty-eight thousand and forty-six.

Scientific notation

• Scientific notation: 2.640138046 × 10⁹

Factors of 2640138046

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 618

Divisors of 2640138046

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 13 14 17 19 26 34 38 91 97 119 133 182 194 221 238 247 266 323 442 463 494 646 679 926 1261 1358 1547 1649 1729 1843 2261 2522 3094 3241 3298 3458 3686 4199 4522 6019 6482 7871 8398 8797 8827 11543 12038 12901 15742 17594 17654 21437 23086 23959 25802 29393 31331 42133 42874 44911 47918 55097 58786 61579 62662 84266 89822 102323 110194 114361 123158 149549 150059 167713 204646 219317 228722 299098 300118 314377 335426 407303 438634 583843 628754 716261 763487 800527 814606 853309 1046843 1167686 1432522 1526974 1601054 1706618 1944137 2093686 2851121 3888274 4086901 5344409 5702242 5973163 8173802 9925331 10688818 11093017 11946326 13608959 14506253 19850662 22186034 27217918 29012506 69477317 77651119 101543771 138954634 155302238 188581289 203087542 377162578 1320069023 2640138046
• Sum of all divisors σ(n): 5500293120
• Sum of proper divisors (its aliquot sum) s(n): 2860155074
• 2640138046 is an abundant number, because the sum of its proper divisors (2860155074) is greater than itself. Its abundance is 220017028

Bases of 2640138046

• Binary: 10011101010111010100111100111110₂
• Hexadecimal: 0x9D5D4F3E
• Base-36: 17NVBJY

Squares and roots of 2640138046

• 2640138046 squared (2640138046²) is 6970328901936698116
• 2640138046 cubed (2640138046³) is 18402630527136479779668121336
• The square root of 2640138046 is 51382.2736554155
• The cube root of 2640138046 is 1382.1087353875

Scales and comparisons

• 2,640,138,046 seconds is equal to 83 years, 49 weeks, 2 days, 3 hours, 40 minutes, 46 seconds.
• To count from 1 to 2,640,138,046 would take you about one hundred sixty-seven 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 2640138046 cubic inches would be around 115.2 feet tall.

Recreational maths with 2640138046

• 2640138046 backwards is 6408310462
• 2640138046 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2640138046's digits is 34
• More coming soon!