138642606608447916

Names of 138642606608447916

• Cardinal: 138642606608447916 can be written as One hundred thirty-eight quadrillion, six hundred forty-two trillion, six hundred six billion, six hundred eight million, four hundred forty-seven thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.38642606608447916 × 10¹⁷

Factors of 138642606608447916

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6239493651

Divisors of 138642606608447916

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 79 117 156 158 234 237 316 468 474 601 711 948 1027 1202 1422 1803 2054 2404 2844 3081 3606 4108 5409 6162 7212 7813 9243 10818 12324 15626 18486 21636 23439 31252 36972 46878 47479 70317 93756 94958 140634 142437 189916 281268 284874 427311 569748 617227 854622 1234454 1709244 1851681 2468908 3703362 5555043 7406724 11110086 22220172 6239492953 12478985906 18718478859 24957971812 37436957718 56155436577 74873915436 81113408389 112310873154 162226816778 224621746308 243340225167 324453633556 486680450334 492919943287 730020675501 973360900668 985839886574 1460041351002 1478759829861 1971679773148 2920082702004 2957519659722 3749935264753 4436279489583 5915039319444 6407959262731 7499870529506 8872558979166 11249805794259 12815918525462 14999741059012 17745117958332 19223877788193 22499611588518 25631837050924 33749417382777 38447755576386 44999223177036 48749158441789 57671633364579 67498834765554 76895511152772 97498316883578 115343266729158 134997669531108 146247475325367 194996633767156 230686533458316 292494950650734 296244885915487 438742425976101 584989901301468 592489771830974 877484851952202 888734657746461 1184979543661948 1754969703904404 1777469315492922 2666203973239383 3554938630985844 3851183516901331 5332407946478766 7702367033802662 10664815892957532 11553550550703993 15404734067605324 23107101101407986 34660651652111979 46214202202815972 69321303304223958 138642606608447916
• Sum of all divisors σ(n): 382829331366751360
• Sum of proper divisors (its aliquot sum) s(n): 244186724758303444
• 138642606608447916 is an abundant number, because the sum of its proper divisors (244186724758303444) is greater than itself. Its abundance is 105544118149855528

Bases of 138642606608447916

• Binary: 111101100100011101011011101010101101000010111100110101100₂
• Hexadecimal: 0x1EC8EB755A179AC
• Base-36: 11X4PA7CN9V0

Squares and roots of 138642606608447916

• 138642606608447916 squared (138642606608447916²) is 19221772367184845749227058484743056
• 138642606608447916 cubed (138642606608447916³) is 2664956624620743237020868056937850870095966218671296
• The square root of 138642606608447916 is 372347427.2886116183
• The cube root of 138642606608447916 is 517565.8006939161

Scales and comparisons

• 138,642,606,608,447,916 seconds is equal to 4,408,406,040 years, 21 weeks, 1 day, 21 hours, 18 minutes, 36 seconds.
• To count from 1 to 138,642,606,608,447,916 would take you about thirteen billion, two hundred twenty-five million, two hundred eighteen thousand, one hundred twenty-one 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 138642606608447916 cubic inches would be around 43130.5 feet tall.

Recreational maths with 138642606608447916

• 138642606608447916 backwards is 619744806606246831
• The number of decimal digits it has is: 18
• The sum of 138642606608447916's digits is 81
• More coming soon!