7998051815168

Names of 7998051815168

• Cardinal: 7998051815168 can be written as Seven trillion, nine hundred ninety-eight billion, fifty-one million, eight hundred fifteen thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 7.998051815168 × 10¹²

Factors of 7998051815168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 18323

Divisors of 7998051815168

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 389 778 1556 3112 6224 8693 9239 12448 17386 18478 24896 34772 36956 49792 69544 73912 99584 139088 147824 278176 295648 556352 591296 1112704 1182592 2225408 2365184 3381577 3593971 6763154 7187942 13526308 14375884 27052616 28751768 54105232 57503536 80314627 108210464 115007072 160629254 216420928 230014144 321258508 432841856 460028288 642517016 865683712 920056576 1285034032 2570068064 5140136128 10280272256 20560544512 31242389903 62484779806 124969559612 249939119224 499878238448 999756476896 1999512953792 3999025907584 7998051815168
• Sum of all divisors σ(n): 16009475882400
• Sum of proper divisors (its aliquot sum) s(n): 8011424067232
• 7998051815168 is an abundant number, because the sum of its proper divisors (8011424067232) is greater than itself. Its abundance is 13372252064

Bases of 7998051815168

• Binary: 1110100011000110001000010011000111100000000₂
• Hexadecimal: 0x74631098F00
• Base-36: 2U295JP4W

Squares and roots of 7998051815168

• 7998051815168 squared (7998051815168²) is 63968832838112139634868224
• 7998051815168 cubed (7998051815168³) is 511626039595041163496994075707684421632
• The square root of 7998051815168 is 2828082.7101002545
• The cube root of 7998051815168 is 19998.3763808367

Scales and comparisons

• 7,998,051,815,168 seconds is equal to 254,313 years, 16 weeks, 3 hours, 46 minutes, 8 seconds.
• To count from 1 to 7,998,051,815,168 would take you about six hundred thirty-five thousand, seven hundred eighty-three 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 7998051815168 cubic inches would be around 1666.5 feet tall.

Recreational maths with 7998051815168

• 7998051815168 backwards is 8615181508997
• The number of decimal digits it has is: 13
• The sum of 7998051815168's digits is 68
• More coming soon!