138072745776

Names of 138072745776

• Cardinal: 138072745776 can be written as One hundred thirty-eight billion, seventy-two million, seven hundred forty-five thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 1.38072745776 × 10¹¹

Factors of 138072745776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 257332

Divisors of 138072745776

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1607 3214 4821 6428 9642 11249 12856 19284 22498 25712 33747 38568 44996 67494 77136 89992 134988 179984 255713 269976 511426 539952 767139 1022852 1534278 1789991 2045704 3068556 3579982 4091408 5369973 6137112 7159964 10739946 12274224 14319928 21479892 28639856 42959784 85919568 410930791 821861582 1232792373 1643723164 2465584746 2876515537 3287446328 4931169492 5753031074 6574892656 8629546611 9862338984 11506062148 17259093222 19724677968 23012124296 34518186444 46024248592 69036372888 138072745776
• Sum of all divisors σ(n): 407898607104
• Sum of proper divisors (its aliquot sum) s(n): 269825861328
• 138072745776 is an abundant number, because the sum of its proper divisors (269825861328) is greater than itself. Its abundance is 131753115552

Bases of 138072745776

• Binary: 10000000100101110001101110011100110000₂
• Hexadecimal: 0x2025C6E730
• Base-36: 1RFGY4HC

Squares and roots of 138072745776

• 138072745776 squared (138072745776²) is 19064083126123925842176
• 138072745776 cubed (138072745776³) is 2632230302925840157077843546648576
• The square root of 138072745776 is 371581.4120431753
• The cube root of 138072745776 is 5168.5571234237

Scales and comparisons

• 138,072,745,776 seconds is equal to 4,390 years, 14 weeks, 6 days, 4 hours, 29 minutes, 36 seconds.
• To count from 1 to 138,072,745,776 would take you about eight thousand, seven hundred eighty 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 138072745776 cubic inches would be around 430.7 feet tall.

Recreational maths with 138072745776

• 138072745776 backwards is 677547270831
• The number of decimal digits it has is: 12
• The sum of 138072745776's digits is 57
• More coming soon!