138392010

Names of 138392010

• Cardinal: 138392010 can be written as One hundred thirty-eight million, three hundred ninety-two thousand and ten.

Scientific notation

• Scientific notation: 1.3839201 × 10⁸

Factors of 138392010

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 591

Divisors of 138392010

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 30 38 45 53 54 57 90 95 106 114 135 159 171 190 265 270 285 318 342 477 509 513 530 570 795 855 954 1007 1018 1026 1431 1527 1590 1710 2014 2385 2545 2565 2862 3021 3054 4581 4770 5035 5090 5130 6042 7155 7635 9063 9162 9671 10070 13743 14310 15105 15270 18126 19342 22905 26977 27189 27486 29013 30210 45315 45810 48355 53954 54378 58026 68715 80931 87039 90630 96710 134885 135945 137430 145065 161862 174078 242793 261117 269770 271890 290130 404655 435195 485586 512563 522234 728379 809310 870390 1025126 1213965 1305585 1456758 1537689 2427930 2562815 2611170 3075378 3641895 4613067 5125630 7283790 7688445 9226134 13839201 15376890 23065335 27678402 46130670 69196005 138392010
• Sum of all divisors σ(n): 396576000
• Sum of proper divisors (its aliquot sum) s(n): 258183990
• 138392010 is an abundant number, because the sum of its proper divisors (258183990) is greater than itself. Its abundance is 119791980

Bases of 138392010

• Binary: 1000001111111011000111001010₂
• Hexadecimal: 0x83FB1CA
• Base-36: 2AE7YI

Squares and roots of 138392010

• 138392010 squared (138392010²) is 19152348431840100
• 138392010 cubed (138392010³) is 2650531995702699437601000
• The square root of 138392010 is 11764.0133457931
• The cube root of 138392010 is 517.2537791097

Scales and comparisons

• 138,392,010 seconds is equal to 4 years, 20 weeks, 5 days, 18 hours, 13 minutes, 30 seconds.
• To count from 1 to 138,392,010 would take you about 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 138392010 cubic inches would be around 43.1 feet tall.

Recreational maths with 138392010

• 138392010 backwards is 010293831
• 138392010 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138392010's digits is 27
• More coming soon!