138459052650748168

Names of 138459052650748168

• Cardinal: 138459052650748168 can be written as One hundred thirty-eight quadrillion, four hundred fifty-nine trillion, fifty-two billion, six hundred fifty million, seven hundred forty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38459052650748168 × 10¹⁷

Factors of 138459052650748168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 196266645993

Divisors of 138459052650748168

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 163 326 541 652 1082 1304 2164 4328 88183 176366 352732 705464 196266645287 392533290574 785066581148 1570133162296 31991463181781 63982926363562 106180255100267 127965852727124 212360510200534 255931705454248 424721020401068 849442040802136 17307381581343521 34614763162687042 69229526325374084 138459052650748168
• Sum of all divisors σ(n): 261686243495396160
• Sum of proper divisors (its aliquot sum) s(n): 123227190844647992
• 138459052650748168 is a deficient number, because the sum of its proper divisors (123227190844647992) is less than itself. Its deficiency is 15231861806100176

Bases of 138459052650748168

• Binary: 111101011111001111100011001011001001011110101100100001000₂
• Hexadecimal: 0x1EBE7C6592F5908
• Base-36: 11VBMYOHGDFS

Squares and roots of 138459052650748168

• 138459052650748168 squared (138459052650748168²) is 19170909260942653287506650155356224
• 138459052650748168 cubed (138459052650748168³) is 2654385934723574481005519804110405373754626155397632
• The square root of 138459052650748168 is 372100863.5447493395
• The cube root of 138459052650748168 is 517337.2917973769

Scales and comparisons

• 138,459,052,650,748,168 seconds is equal to 4,402,569,592 years, 16 weeks, 5 days, 21 hours, 9 minutes, 28 seconds.
• To count from 1 to 138,459,052,650,748,168 would take you about thirteen billion, two hundred seven million, seven hundred eight thousand, seven 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 138459052650748168 cubic inches would be around 43111.4 feet tall.

Recreational maths with 138459052650748168

• 138459052650748168 backwards is 861847056250954831
• The number of decimal digits it has is: 18
• The sum of 138459052650748168's digits is 82
• More coming soon!