138798497792

Names of 138798497792

• Cardinal: 138798497792 can be written as One hundred thirty-eight billion, seven hundred ninety-eight million, four hundred ninety-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.38798497792 × 10¹¹

Factors of 138798497792

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 7820

Divisors of 138798497792

• Number of divisors d(n): 68
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 281 512 562 1024 1124 2048 2248 4096 4496 7537 8192 8992 15074 16384 17984 30148 32768 35968 60296 65536 71936 120592 143872 241184 287744 482368 575488 964736 1150976 1929472 2117897 2301952 3858944 4235794 4603904 7717888 8471588 9207808 15435776 16943176 18415616 30871552 33886352 61743104 67772704 123486208 135545408 246972416 271090816 493944832 542181632 1084363264 2168726528 4337453056 8674906112 17349812224 34699624448 69399248896 138798497792
• Sum of all divisors σ(n): 278619721836
• Sum of proper divisors (its aliquot sum) s(n): 139821224044
• 138798497792 is an abundant number, because the sum of its proper divisors (139821224044) is greater than itself. Its abundance is 1022726252

Bases of 138798497792

• Binary: 10000001010001000010010000000000000000₂
• Hexadecimal: 0x2051090000
• Base-36: 1RRH1IBK

Squares and roots of 138798497792

• 138798497792 squared (138798497792²) is 19265022989315828875264
• 138798497792 cubed (138798497792³) is 2673956250845382313733980147417088
• The square root of 138798497792 is 372556.7041297203
• The cube root of 138798497792 is 5177.5971348273

Scales and comparisons

• 138,798,497,792 seconds is equal to 4,413 years, 18 weeks, 6 days, 2 hours, 16 minutes, 32 seconds.
• To count from 1 to 138,798,497,792 would take you about eight thousand, eight hundred twenty-six 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 138798497792 cubic inches would be around 431.5 feet tall.

Recreational maths with 138798497792

• 138798497792 backwards is 297794897831
• The number of decimal digits it has is: 12
• The sum of 138798497792's digits is 74
• More coming soon!