3138918556865

Names of 3138918556865

• Cardinal: 3138918556865 can be written as Three trillion, one hundred thirty-eight billion, nine hundred eighteen million, five hundred fifty-six thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 3.138918556865 × 10¹²

Factors of 3138918556865

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 570045

Divisors of 3138918556865

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 13 19 35 49 65 91 95 133 169 245 247 343 455 637 665 845 931 1183 1235 1715 1729 3185 3211 4459 4655 5915 6517 8281 8645 12103 16055 22295 22477 32585 41405 57967 60515 84721 112385 157339 289835 423605 570001 786695 1101373 2850005 3990007 5506865 7410013 10830019 19950035 27930049 37050065 51870091 54150095 75810133 96330169 139650245 140790247 195510343 259350455 363090637 379050665 481650845 530670931 674311183 703951235 977551715 985531729 1815453185 1830273211 2541634459 2653354655 3371555915 3714696517 4720178281 4927658645 6898722103 9151366055 12708172295 12811912477 18573482585 23600891405 33041247967 34493610515 48291054721 64059562385 89683387339 165206239835 241455273605 448416936695 627783711373 3138918556865
• Sum of all divisors σ(n): 5006897568000
• Sum of proper divisors (its aliquot sum) s(n): 1867979011135
• 3138918556865 is a deficient number, because the sum of its proper divisors (1867979011135) is less than itself. Its deficiency is 1270939545730

Bases of 3138918556865

• Binary: 101101101011010110001000000010010011000001₂
• Hexadecimal: 0x2DAD62024C1
• Base-36: 141ZZ2BB5

Squares and roots of 3138918556865

• 3138918556865 squared (3138918556865²) is 9852809706631454238628225
• 3138918556865 cubed (3138918556865³) is 30927167225405068359131195354256514625
• The square root of 3138918556865 is 1771699.3415545991
• The cube root of 3138918556865 is 14641.7622025021

Scales and comparisons

• 3,138,918,556,865 seconds is equal to 99,807 years, 46 weeks, 5 days, 21 hours, 21 minutes, 5 seconds.
• To count from 1 to 3,138,918,556,865 would take you about two hundred forty-nine thousand, five hundred nineteen 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 3138918556865 cubic inches would be around 1220.1 feet tall.

Recreational maths with 3138918556865

• 3138918556865 backwards is 5686558198313
• The number of decimal digits it has is: 13
• The sum of 3138918556865's digits is 68
• More coming soon!