138838290292975

Names of 138838290292975

• Cardinal: 138838290292975 can be written as One hundred thirty-eight trillion, eight hundred thirty-eight billion, two hundred ninety million, two hundred ninety-two thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 1.38838290292975 × 10¹⁴

Factors of 138838290292975

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 405

Divisors of 138838290292975

• Number of divisors d(n): 180
• Complete list of divisors:
  1 5 7 13 25 35 49 65 73 91 175 245 307 325 365 455 511 637 949 1225 1535 1825 2149 2275 2555 3185 3577 3991 4745 5329 6643 7675 10745 12775 15043 15925 17885 19955 22411 23725 26645 27937 33215 37303 46501 53725 69277 75215 89425 99775 112055 133225 139685 156877 166075 186515 195559 232505 261121 291343 346385 376075 389017 484939 560275 698425 784385 932575 977795 1098139 1162525 1305605 1456715 1636003 1731925 1945085 2039401 2424695 2723119 3394573 3921925 4888975 5057221 5490695 6528025 7283575 8180015 9725425 10197005 11452021 12123475 13615595 14275807 16972865 19061833 21268039 25286105 27453475 28398241 35400547 40900075 50985025 57260105 68077975 71379035 80164147 84864325 95309165 106340195 119428219 126430525 141991205 148876273 177002735 198787687 247803829 286300525 356895175 369177133 400820735 476545825 531700975 597141095 709956025 744381365 835997533 885013675 993938435 1042133911 1239019145 1391513809 1552566847 1845885665 2004103675 2584239931 2985705475 3721906825 4179987665 4969692175 5210669555 5851982731 6195095725 6957569045 7762834235 8718259987 9229428325 10867967929 12921199655 18089679517 20899938325 26053347775 29259913655 34787845225 38814171175 43591299935 54339839645 61027819909 64605998275 76075775503 90448397585 113337379831 146299568275 217956499675 271699198225 305139099545 380378877515 427194739363 452241987925 566686899155 793361658817 1525695497725 1901894387575 2135973696815 2833434495775 3966808294085 5553531611719 10679868484075 19834041470425 27767658058595 138838290292975
• Sum of all divisors σ(n): 219380037127944
• Sum of proper divisors (its aliquot sum) s(n): 80541746834969
• 138838290292975 is a deficient number, because the sum of its proper divisors (80541746834969) is less than itself. Its deficiency is 58296543458006

Bases of 138838290292975

• Binary: 11111100100010111001110111110010110000011101111₂
• Hexadecimal: 0x7E45CEF960EF
• Base-36: 1D7PFHCB8V

Squares and roots of 138838290292975

• 138838290292975 squared (138838290292975²) is 19276070851476396111334350625
• 138838290292975 cubed (138838290292975³) is 2676256720585233669171608009753612624359375
• The square root of 138838290292975 is 11782966.1076052917
• The cube root of 138838290292975 is 51780.9188046321

Scales and comparisons

• 138,838,290,292,975 seconds is equal to 4,414,628 years, 9 weeks, 1 day, 4 hours, 2 minutes, 55 seconds.
• To count from 1 to 138,838,290,292,975 would take you about eleven million, thirty-six thousand, five hundred seventy 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 138838290292975 cubic inches would be around 4315.1 feet tall.

Recreational maths with 138838290292975

• 138838290292975 backwards is 579292092838831
• The number of decimal digits it has is: 15
• The sum of 138838290292975's digits is 76
• More coming soon!