138394530678893750

Names of 138394530678893750

• Cardinal: 138394530678893750 can be written as One hundred thirty-eight quadrillion, three hundred ninety-four trillion, five hundred thirty billion, six hundred seventy-eight million, eight hundred ninety-three thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.3839453067889375 × 10¹⁷

Factors of 138394530678893750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14340

Divisors of 138394530678893750

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 25 50 71 125 142 250 355 625 710 1250 1775 2113 3125 3550 4226 6250 8875 10565 12149 17750 21130 24298 44375 52825 60745 88750 105650 121490 150023 221875 264125 300046 303725 443750 528250 607450 750115 862579 1320625 1500230 1518625 1725158 2641250 3037250 3750575 4312895 6603125 7501150 7593125 8625790 13206250 15186250 18752875 21564475 25670837 37505750 37965625 43128950 51341674 75931250 93764375 107822375 128354185 147598201 187528750 215644750 256708370 295196402 468821875 539111875 641770925 737991005 937643750 1078223750 1283541850 1475982010 1822629427 2695559375 3208854625 3645258854 3689955025 5391118750 6417709250 7379910050 9113147135 10479472271 16044273125 18226294270 18449775125 20958944542 32088546250 36899550250 45565735675 52397361355 80221365625 91131471350 92248875625 104794722710 160442731250 184497751250 227828678375 261986806775 311874998713 455657356750 461244378125 523973613550 623749997426 922488756250 1139143391875 1309934033875 1559374993565 2278286783750 2619868067750 3118749987130 5695716959375 6549670169375 7796874967825 11391433918750 13099340338750 15593749935650 22143124908623 32748350846875 38984374839125 44286249817246 65496701693750 77968749678250 110715624543115 194921874195625 221431249086230 389843748391250 553578122715575 974609370978125 1107156245431150 1949218741956250 2767890613577875 5535781227155750 13839453067889375 27678906135778750 69197265339446875 138394530678893750
• Sum of all divisors σ(n): 263273887342083744
• Sum of proper divisors (its aliquot sum) s(n): 124879356663189994
• 138394530678893750 is a deficient number, because the sum of its proper divisors (124879356663189994) is less than itself. Its deficiency is 13515174015703756

Bases of 138394530678893750

• Binary: 111101011101011010001011110100111111110001110110010110110₂
• Hexadecimal: 0x1EBAD17A7F8ECB6
• Base-36: 11UORLP1BJJQ

Squares and roots of 138394530678893750

• 138394530678893750 squared (138394530678893750²) is 19153046121831263363271723789062500
• 138394530678893750 cubed (138394530678893750³) is 2650676829102043738039192728006276660245849609375000
• The square root of 138394530678893750 is 372014153.8690345985
• The cube root of 138394530678893750 is 517256.9195191801

Scales and comparisons

• 138,394,530,678,893,750 seconds is equal to 4,400,517,993 years, 10 weeks, 2 days, 5 hours, 35 minutes, 50 seconds.
• To count from 1 to 138,394,530,678,893,750 would take you about thirteen billion, two hundred one million, five hundred fifty-three thousand, nine hundred seventy-nine 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 138394530678893750 cubic inches would be around 43104.7 feet tall.

Recreational maths with 138394530678893750

• 138394530678893750 backwards is 057398876035493831
• The number of decimal digits it has is: 18
• The sum of 138394530678893750's digits is 89
• More coming soon!