2187072768

Names of 2187072768

• Cardinal: 2187072768 can be written as Two billion, one hundred eighty-seven million, seventy-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.187072768 × 10⁹

Factors of 2187072768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3885

Divisors of 2187072768

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 983 1966 2897 2949 3932 5794 5898 7864 8691 11588 11796 15728 17382 23176 23592 31456 34764 46352 47184 62912 69528 92704 94368 125824 139056 185408 188736 251648 278112 370816 377472 556224 741632 754944 1112448 2224896 2847751 5695502 8543253 11391004 17086506 22782008 34173012 45564016 68346024 91128032 136692048 182256064 273384096 364512128 546768192 729024256 1093536384 2187072768
• Sum of all divisors σ(n): 5828735808
• Sum of proper divisors (its aliquot sum) s(n): 3641663040
• 2187072768 is an abundant number, because the sum of its proper divisors (3641663040) is greater than itself. Its abundance is 1454590272

Bases of 2187072768

• Binary: 10000010010111000001010100000000₂
• Hexadecimal: 0x825C1500
• Base-36: 1064K5C

Squares and roots of 2187072768

• 2187072768 squared (2187072768²) is 4783287292527181824
• 2187072768 cubed (2187072768³) is 10461397379006649267054968832
• The square root of 2187072768 is 46766.1498094509
• The cube root of 2187072768 is 1298.0390094979

Scales and comparisons

• 2,187,072,768 seconds is equal to 69 years, 28 weeks, 1 day, 8 hours, 12 minutes, 48 seconds.
• To count from 1 to 2,187,072,768 would take you about one hundred thirty-nine 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 2187072768 cubic inches would be around 108.2 feet tall.

Recreational maths with 2187072768

• 2187072768 backwards is 8672707812
• 2187072768 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2187072768's digits is 48
• More coming soon!