138072976310550018

Names of 138072976310550018

• Cardinal: 138072976310550018 can be written as One hundred thirty-eight quadrillion, seventy-two trillion, nine hundred seventy-six billion, three hundred ten million, five hundred fifty thousand and eighteen.

Scientific notation

• Scientific notation: 1.38072976310550018 × 10¹⁷

Factors of 138072976310550018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 975751

Divisors of 138072976310550018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 31 62 93 186 19391 38782 41863 58173 83726 116346 125589 251178 601121 914461 1202242 1297753 1803363 1828922 2595506 2743383 3606726 3893259 5486766 7786518 28348291 56696582 85044873 170089746 811765433 1623530866 2435296299 4870592598 17732313251 25164728423 35464626502 38282080843 50329456846 53196939753 75494185269 76564161686 106393879506 114846242529 150988370538 229692485058 549701710781 1099403421562 1186744506133 1649105132343 2373489012266 3298210264686 3560233518399 7120467036798 742327829626613 1484655659253226 2226983488879839 4453966977759678 23012162718425003 46024325436850006 69036488155275009 138072976310550018
• Sum of all divisors σ(n): 285075708196552704
• Sum of proper divisors (its aliquot sum) s(n): 147002731886002686
• 138072976310550018 is an abundant number, because the sum of its proper divisors (147002731886002686) is greater than itself. Its abundance is 8929755575452668

Bases of 138072976310550018

• Binary: 111101010100010001010001111110010000100100011111000000010₂
• Hexadecimal: 0x1EA88A3F2123E02
• Base-36: 11RIS9NOP2PU

Squares and roots of 138072976310550018

• 138072976310550018 squared (138072976310550018²) is 19064146787253706460668449679800324
• 138072976310550018 cubed (138072976310550018³) is 2632243487737329245991200508523581160538308854605832
• The square root of 138072976310550018 is 371581722.2503685231
• The cube root of 138072976310550018 is 516856.0000000011

Scales and comparisons

• 138,072,976,310,550,018 seconds is equal to 4,390,293,558 years, 47 weeks, 5 days, 4 hours, 20 minutes, 18 seconds.
• To count from 1 to 138,072,976,310,550,018 would take you about thirteen billion, one hundred seventy million, eight hundred eighty thousand, six hundred seventy-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 138072976310550018 cubic inches would be around 43071.3 feet tall.

Recreational maths with 138072976310550018

• 138072976310550018 backwards is 810055013679270831
• The number of decimal digits it has is: 18
• The sum of 138072976310550018's digits is 66
• More coming soon!