138278122848

Names of 138278122848

• Cardinal: 138278122848 can be written as One hundred thirty-eight billion, two hundred seventy-eight million, one hundred twenty-two thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.38278122848 × 10¹¹

Factors of 138278122848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 15488177

Divisors of 138278122848

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 288 372 496 558 744 992 1116 1488 2232 2976 4464 8928 15488141 30976282 46464423 61952564 92928846 123905128 139393269 185857692 247810256 278786538 371715384 480132371 495620512 557573076 743430768 960264742 1115146152 1440397113 1486861536 1920529484 2230292304 2880794226 3841058968 4321191339 4460584608 5761588452 7682117936 8642382678 11523176904 15364235872 17284765356 23046353808 34569530712 46092707616 69139061424 138278122848
• Sum of all divisors σ(n): 405913225536
• Sum of proper divisors (its aliquot sum) s(n): 267635102688
• 138278122848 is an abundant number, because the sum of its proper divisors (267635102688) is greater than itself. Its abundance is 129356979840

Bases of 138278122848

• Binary: 10000000110010000001001011010101100000₂
• Hexadecimal: 0x203204B560
• Base-36: 1RIV82G0

Squares and roots of 138278122848

• 138278122848 squared (138278122848²) is 19120839258366579631104
• 138278122848 cubed (138278122848³) is 2643993759925275110047373433864192
• The square root of 138278122848 is 371857.6647697341
• The cube root of 138278122848 is 5171.1185201813

Scales and comparisons

• 138,278,122,848 seconds is equal to 4,396 years, 42 weeks, 3 days, 5 hours, 40 minutes, 48 seconds.
• To count from 1 to 138,278,122,848 would take you about eight thousand, seven hundred ninety-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 138278122848 cubic inches would be around 430.9 feet tall.

Recreational maths with 138278122848

• 138278122848 backwards is 848221872831
• The number of decimal digits it has is: 12
• The sum of 138278122848's digits is 54
• More coming soon!