18123496794

Names of 18123496794

• Cardinal: 18123496794 can be written as Eighteen billion, one hundred twenty-three million, four hundred ninety-six thousand, seven hundred ninety-four.

Scientific notation

• Scientific notation: 1.8123496794 × 10¹⁰

Factors of 18123496794

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3935

Divisors of 18123496794

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 169 234 338 351 507 702 1014 1053 1521 2106 2197 3042 3917 4394 4563 6591 7834 9126 11751 13182 13689 19773 23502 27378 28561 35253 39546 50921 57122 59319 70506 85683 101842 105759 118638 152763 171366 177957 211518 257049 305526 317277 355914 458289 514098 634554 661973 771147 916578 1323946 1374867 1542294 1985919 2313441 2749734 3971838 4124601 4626882 5957757 8249202 8605649 11915514 17211298 17873271 25816947 35746542 51633894 53619813 77450841 107239626 111873437 154901682 223746874 232352523 335620311 464705046 671240622 697057569 1006860933 1394115138 2013721866 3020582799 6041165598 9061748397 18123496794
• Sum of all divisors σ(n): 44005342194
• Sum of proper divisors (its aliquot sum) s(n): 25881845400
• 18123496794 is an abundant number, because the sum of its proper divisors (25881845400) is greater than itself. Its abundance is 7758348606

Bases of 18123496794

• Binary: 10000111000001111101001110101011010₂
• Hexadecimal: 0x4383E9D5A
• Base-36: 8BQ9FMI

Squares and roots of 18123496794

• 18123496794 squared (18123496794²) is 328461136042128278436
• 18123496794 cubed (18123496794³) is 5952864346013109703171585334184
• The square root of 18123496794 is 134623.5372956749
• The cube root of 18123496794 is 2626.7213160797

Scales and comparisons

• 18,123,496,794 seconds is equal to 576 years, 14 weeks, 16 hours, 39 minutes, 54 seconds.
• To count from 1 to 18,123,496,794 would take you about one thousand, one hundred fifty-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 18123496794 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123496794

• 18123496794 backwards is 49769432181
• 18123496794 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18123496794's digits is 54
• More coming soon!