7421139474

Names of 7421139474

• Cardinal: 7421139474 can be written as Seven billion, four hundred twenty-one million, one hundred thirty-nine thousand, four hundred seventy-four.

Scientific notation

• Scientific notation: 7.421139474 × 10⁹

Factors of 7421139474

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3497

Divisors of 7421139474

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 14 21 23 42 46 49 69 98 138 147 161 294 322 353 483 706 966 1059 1127 2118 2254 2471 3109 3381 4942 6218 6762 7413 8119 9327 14826 16238 17297 18654 21763 24357 34594 43526 48714 51891 56833 65289 71507 103782 113666 130578 143014 152341 170499 214521 304682 340998 397831 429042 457023 500549 795662 914046 1001098 1097477 1193493 1501647 2194954 2386986 3003294 3292431 3503843 6584862 7007686 7682339 10511529 15364678 21023058 23047017 25241971 46094034 50483942 53776373 75725913 107552746 151451826 161329119 176693797 322658238 353387594 530081391 1060162782 1236856579 2473713158 3710569737 7421139474
• Sum of all divisors σ(n): 18073031040
• Sum of proper divisors (its aliquot sum) s(n): 10651891566
• 7421139474 is an abundant number, because the sum of its proper divisors (10651891566) is greater than itself. Its abundance is 3230752092

Bases of 7421139474

• Binary: 110111010010101011001101000010010₂
• Hexadecimal: 0x1BA559A12
• Base-36: 3EQCRV6

Squares and roots of 7421139474

• 7421139474 squared (7421139474²) is 55073311092560996676
• 7421139474 cubed (7421139474³) is 408706722912886480185046388424
• The square root of 7421139474 is 86146.0357416405
• The cube root of 7421139474 is 1950.5489993985

Scales and comparisons

• 7,421,139,474 seconds is equal to 235 years, 50 weeks, 2 days, 19 hours, 37 minutes, 54 seconds.
• To count from 1 to 7,421,139,474 would take you about four hundred seventy-one 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 7421139474 cubic inches would be around 162.5 feet tall.

Recreational maths with 7421139474

• 7421139474 backwards is 4749311247
• 7421139474 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7421139474's digits is 42
• More coming soon!