138859434

Names of 138859434

• Cardinal: 138859434 can be written as One hundred thirty-eight million, eight hundred fifty-nine thousand, four hundred thirty-four.

Scientific notation

• Scientific notation: 1.38859434 × 10⁸

Factors of 138859434

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 29

Divisors of 138859434

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 27 34 42 49 51 54 63 81 98 102 119 126 147 153 162 189 238 243 294 306 343 357 378 441 459 486 567 686 714 833 882 918 1029 1071 1134 1323 1377 1666 1701 2058 2142 2401 2499 2646 2754 3087 3213 3402 3969 4131 4802 4998 5831 6174 6426 7203 7497 7938 8262 9261 9639 11662 11907 14406 14994 16807 17493 18522 19278 21609 22491 23814 27783 28917 33614 34986 40817 43218 44982 50421 52479 55566 57834 64827 67473 81634 83349 100842 104958 122451 129654 134946 151263 157437 166698 194481 202419 244902 285719 302526 314874 367353 388962 404838 453789 472311 571438 583443 734706 857157 907578 944622 1102059 1166886 1361367 1416933 1714314 2204118 2571471 2722734 2833866 3306177 4084101 5142942 6612354 7714413 8168202 9918531 15428826 19837062 23143239 46286478 69429717 138859434
• Sum of all divisors σ(n): 385414848
• Sum of proper divisors (its aliquot sum) s(n): 246555414
• 138859434 is an abundant number, because the sum of its proper divisors (246555414) is greater than itself. Its abundance is 107695980

Bases of 138859434

• Binary: 1000010001101101001110101010₂
• Hexadecimal: 0x846D3AA
• Base-36: 2AO8MI

Squares and roots of 138859434

• 138859434 squared (138859434²) is 19281942410800356
• 138859434 cubed (138859434³) is 2677479609584332921158504
• The square root of 138859434 is 11783.8632884127
• The cube root of 138859434 is 517.8354724621

Scales and comparisons

• 138,859,434 seconds is equal to 4 years, 21 weeks, 4 days, 4 hours, 3 minutes, 54 seconds.
• To count from 1 to 138,859,434 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 138859434 cubic inches would be around 43.2 feet tall.

Recreational maths with 138859434

• 138859434 backwards is 434958831
• The number of decimal digits it has is: 9
• The sum of 138859434's digits is 45
• More coming soon!