138405398994135

Names of 138405398994135

• Cardinal: 138405398994135 can be written as One hundred thirty-eight trillion, four hundred five billion, three hundred ninety-eight million, nine hundred ninety-four thousand, one hundred thirty-five.

Scientific notation

• Scientific notation: 1.38405398994135 × 10¹⁴

Factors of 138405398994135

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1165470134

Divisors of 138405398994135

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 13 15 21 29 35 39 45 63 65 87 91 105 117 145 195 203 261 273 315 377 435 455 585 609 819 1015 1131 1305 1365 1827 1885 2639 3045 3393 4095 5655 7917 9135 13195 16965 23751 39585 118755 1165470077 3496410231 5827350385 8158290539 10489230693 15151111001 17482051155 24474871617 33798632233 40791452695 45453333003 52446153465 73424614851 75755555005 101395896699 106057777007 122374358085 136359999009 168993161165 227266665015 236590425631 304187690097 318173331021 367123074255 439382219029 506979483495 530288885035 681799995045 709771276893 954519993063 1182952128155 1318146657087 1520938450485 1590866655105 2129313830679 2196911095145 3075675533203 3548856384465 3954439971261 4772599965315 6590733285435 9227026599609 10646569153395 15378377666015 19772199856305 27681079798827 46135132998045 138405398994135
• Sum of all divisors σ(n): 305446398042240
• Sum of proper divisors (its aliquot sum) s(n): 167040999048105
• 138405398994135 is an abundant number, because the sum of its proper divisors (167040999048105) is greater than itself. Its abundance is 28635600053970

Bases of 138405398994135

• Binary: 11111011110000100000100101001000101110011010111₂
• Hexadecimal: 0x7DE104A45CD7
• Base-36: 1D26K91FBR

Squares and roots of 138405398994135

• 138405398994135 squared (138405398994135²) is 19156054470725705669764398225
• 138405398994135 cubed (138405398994135³) is 2651301362174174853309497508572848579410375
• The square root of 138405398994135 is 11764582.3977791493
• The cube root of 138405398994135 is 51727.0459466847

Scales and comparisons

• 138,405,398,994,135 seconds is equal to 4,400,863 years, 29 weeks, 5 days, 5 hours, 2 minutes, 15 seconds.
• To count from 1 to 138,405,398,994,135 would take you about eleven million, two thousand, one hundred fifty-eight 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 138405398994135 cubic inches would be around 4310.6 feet tall.

Recreational maths with 138405398994135

• 138405398994135 backwards is 531499893504831
• The number of decimal digits it has is: 15
• The sum of 138405398994135's digits is 72
• More coming soon!