18331290456

Names of 18331290456

• Cardinal: 18331290456 can be written as Eighteen billion, three hundred thirty-one million, two hundred ninety thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8331290456 × 10¹⁰

Factors of 18331290456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 987

Divisors of 18331290456

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 841 953 1682 1906 2523 2859 3364 3812 5046 5718 6728 7624 10092 11436 20184 22872 27637 55274 82911 110548 165822 221096 331644 663288 801473 908209 1602946 1816418 2404419 2724627 3205892 3632836 4808838 5449254 6411784 7265672 9617676 10898508 19235352 21797016 26338061 52676122 79014183 105352244 158028366 210704488 316056732 632113464 763803769 1527607538 2291411307 3055215076 4582822614 6110430152 9165645228 18331290456
• Sum of all divisors σ(n): 47512858380
• Sum of proper divisors (its aliquot sum) s(n): 29181567924
• 18331290456 is an abundant number, because the sum of its proper divisors (29181567924) is greater than itself. Its abundance is 10850277468

Bases of 18331290456

• Binary: 10001000100101000010100101101011000₂
• Hexadecimal: 0x444A14B58
• Base-36: 8F5Z68O

Squares and roots of 18331290456

• 18331290456 squared (18331290456²) is 336036209782236687936
• 18331290456 cubed (18331290456³) is 6159977365251529235894247138816
• The square root of 18331290456 is 135393.0960425973
• The cube root of 18331290456 is 2636.7220208553

Scales and comparisons

• 18,331,290,456 seconds is equal to 582 years, 45 weeks, 4 days, 17 hours, 7 minutes, 36 seconds.
• To count from 1 to 18,331,290,456 would take you about one thousand, one hundred sixty-five 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 18331290456 cubic inches would be around 219.7 feet tall.

Recreational maths with 18331290456

• 18331290456 backwards is 65409213381
• The number of decimal digits it has is: 11
• The sum of 18331290456's digits is 42
• More coming soon!