138171643091168

Names of 138171643091168

• Cardinal: 138171643091168 can be written as One hundred thirty-eight trillion, one hundred seventy-one billion, six hundred forty-three million, ninety-one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38171643091168 × 10¹⁴

Factors of 138171643091168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 45591

Divisors of 138171643091168

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 32 43 86 172 227 344 454 688 908 1376 1816 1849 3632 3698 7264 7396 9761 14792 19522 29584 39044 45319 51529 59168 78088 90638 103058 156176 181276 206116 312352 362552 412232 419723 725104 824464 839446 1450208 1648928 1678892 1948717 2215747 3357784 3897434 4431494 6715568 7794868 8862988 10287413 13431136 15589736 17725976 20574826 31179472 35451952 41149652 62358944 70903904 82299304 83794831 95277121 164598608 167589662 190554242 329197216 335179324 381108484 442358759 670358648 762216968 884717518 1340717296 1524433936 1769435036 2335242751 2681434592 3048867872 3538870072 4670485502 7077740144 9340971004 14155480288 18681942008 19021426637 37363884016 38042853274 74727768032 76085706548 100415438293 152171413096 200830876586 304342826192 401661753172 608685652384 803323506344 1606647012688 3213294025376 4317863846599 8635727693198 17271455386396 34542910772792 69085821545584 138171643091168
• Sum of all divisors σ(n): 279737159015160
• Sum of proper divisors (its aliquot sum) s(n): 141565515923992
• 138171643091168 is an abundant number, because the sum of its proper divisors (141565515923992) is greater than itself. Its abundance is 3393872832824

Bases of 138171643091168

• Binary: 11111011010101010010111101101000101100011100000₂
• Hexadecimal: 0x7DAA97B458E0
• Base-36: 1CZ76CT68W

Squares and roots of 138171643091168

• 138171643091168 squared (138171643091168²) is 19091402954513113706359604224
• 138171643091168 cubed (138171643091168³) is 2637890515140656210410577614841212429893632
• The square root of 138171643091168 is 11754643.4693344911
• The cube root of 138171643091168 is 51697.9085574977

Scales and comparisons

• 138,171,643,091,168 seconds is equal to 4,393,430 years, 44 weeks, 4 days, 1 hour, 46 minutes, 8 seconds.
• To count from 1 to 138,171,643,091,168 would take you about ten million, nine hundred eighty-three thousand, five hundred seventy-seven 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 138171643091168 cubic inches would be around 4308.2 feet tall.

Recreational maths with 138171643091168

• 138171643091168 backwards is 861190346171831
• The number of decimal digits it has is: 15
• The sum of 138171643091168's digits is 59
• More coming soon!