72241040816

Names of 72241040816

• Cardinal: 72241040816 can be written as Seventy-two billion, two hundred forty-one million, forty thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 7.2241040816 × 10¹⁰

Factors of 72241040816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 347355

Divisors of 72241040816

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 1867 3734 7468 13069 14936 26138 29872 52276 104552 209104 345479 690958 1381916 2418353 2763832 4836706 5527664 9673412 19346824 38693648 645009293 1290018586 2580037172 4515065051 5160074344 9030130102 10320148688 18060260204 36120520408 72241040816
• Sum of all divisors σ(n): 160048446720
• Sum of proper divisors (its aliquot sum) s(n): 87807405904
• 72241040816 is an abundant number, because the sum of its proper divisors (87807405904) is greater than itself. Its abundance is 15566365088

Bases of 72241040816

• Binary: 1000011010001111001101100110110110000₂
• Hexadecimal: 0x10D1E6CDB0
• Base-36: X6QG7U8

Squares and roots of 72241040816

• 72241040816 squared (72241040816²) is 5218767978178977945856
• 72241040816 cubed (72241040816³) is 377009230520861343139747134058496
• The square root of 72241040816 is 268776.9350520987
• The cube root of 72241040816 is 4164.8049297133

Scales and comparisons

• 72,241,040,816 seconds is equal to 2,297 years, 2 weeks, 1 day, 3 hours, 46 minutes, 56 seconds.
• To count from 1 to 72,241,040,816 would take you about four thousand, five hundred ninety-four 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 72241040816 cubic inches would be around 347.1 feet tall.

Recreational maths with 72241040816

• 72241040816 backwards is 61804014227
• The number of decimal digits it has is: 11
• The sum of 72241040816's digits is 35
• More coming soon!