138517047444406878

Names of 138517047444406878

• Cardinal: 138517047444406878 can be written as One hundred thirty-eight quadrillion, five hundred seventeen trillion, forty-seven billion, four hundred forty-four million, four hundred six thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38517047444406878 × 10¹⁷

Factors of 138517047444406878

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 25794

Divisors of 138517047444406878

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 557 702 1114 1671 3342 5013 7241 10026 14482 15039 21723 25219 30078 43446 50438 65169 75657 130338 151314 195507 226971 310249 327847 391014 453942 620498 655694 680913 930747 983541 1361826 1861494 1967082 2792241 2950623 4033237 5584482 5901246 8066474 8376723 8851869 12099711 14046983 16753446 17703738 24199422 28093966 36299133 42140949 72598266 84281898 108897399 126422847 182610779 217794798 252845694 365221558 379268541 547832337 635997961 758537082 1095664674 1271995922 1643497011 1907993883 3286994022 3815987766 4930491033 5723981649 7824169531 8267973493 9860982066 11447963298 15648339062 16535946986 17171944947 23472508593 24803920479 34343889894 46945017186 49607840958 70417525779 74411761437 101714203903 140835051558 148823522874 203428407806 211252577337 223235284311 305142611709 354250864277 422505154674 446470568622 610285223418 708501728554 915427835127 1062752592831 1830855670254 2125505185662 2746283505381 3188257778493 4605261235601 5492567010762 6376515556986 9210522471202 9564773335479 13815783706803 19129546670958 27631567413606 41447351120409 82894702240818 124342053361227 197317731402289 248684106722454 394635462804578 591953194206867 1183906388413734 1775859582620601 2565130508229757 3551719165241202 5130261016459514 5327578747861803 7695391524689271 10655157495723606 15390783049378542 23086174574067813 46172349148135626 69258523722203439 138517047444406878
• Sum of all divisors σ(n): 332103167452672560
• Sum of proper divisors (its aliquot sum) s(n): 193586120008265682
• 138517047444406878 is an abundant number, because the sum of its proper divisors (193586120008265682) is greater than itself. Its abundance is 55069072563858804

Bases of 138517047444406878

• Binary: 111101100000111001000010101010000010000101000001001011110₂
• Hexadecimal: 0x1EC1C855042825E
• Base-36: 11VW714C7UJI

Squares and roots of 138517047444406878

• 138517047444406878 squared (138517047444406878²) is 19186972432716066011596005213706884
• 138517047444406878 cubed (138517047444406878³) is 2657722770777058170478758355854573969546747125548152
• The square root of 138517047444406878 is 372178784.2481176115
• The cube root of 138517047444406878 is 517409.5121419513

Scales and comparisons

• 138,517,047,444,406,878 seconds is equal to 4,404,413,647 years, 19 weeks, 2 days, 14 hours, 21 minutes, 18 seconds.
• To count from 1 to 138,517,047,444,406,878 would take you about thirteen billion, two hundred thirteen million, two hundred forty thousand, nine hundred forty-two 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 138517047444406878 cubic inches would be around 43117.5 feet tall.

Recreational maths with 138517047444406878

• 138517047444406878 backwards is 878604444740715831
• The number of decimal digits it has is: 18
• The sum of 138517047444406878's digits is 81
• More coming soon!