138261357

Names of 138261357

• Cardinal: 138261357 can be written as One hundred thirty-eight million, two hundred sixty-one thousand, three hundred fifty-seven.

Scientific notation

• Scientific notation: 1.38261357 × 10⁸

Factors of 138261357

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 109

Divisors of 138261357

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 17 27 29 39 47 51 87 117 141 153 221 261 289 351 377 423 459 493 611 663 783 799 867 1131 1269 1363 1479 1833 1989 2397 2601 3393 3757 4089 4437 5499 5967 6409 7191 7803 8381 10179 10387 11271 12267 13311 13583 16497 17719 19227 21573 23171 25143 31161 33813 36801 40749 53157 57681 69513 75429 93483 101439 108953 122247 159471 173043 176579 208539 226287 280449 301223 326859 366741 393907 478413 529737 625617 903669 980577 1181721 1589211 2711007 2941731 3545163 4767633 5120791 8133021 10635489 15362373 46087119 138261357
• Sum of all divisors σ(n): 247564800
• Sum of proper divisors (its aliquot sum) s(n): 109303443
• 138261357 is a deficient number, because the sum of its proper divisors (109303443) is less than itself. Its deficiency is 28957914

Bases of 138261357

• Binary: 1000001111011011001101101101₂
• Hexadecimal: 0x83DB36D
• Base-36: 2ABF59

Squares and roots of 138261357

• 138261357 squared (138261357²) is 19116202839481449
• 138261357 cubed (138261357³) is 2643032145273958315066293
• The square root of 138261357 is 11758.4589551523
• The cube root of 138261357 is 517.0909517027

Scales and comparisons

• 138,261,357 seconds is equal to 4 years, 20 weeks, 4 days, 5 hours, 55 minutes, 57 seconds.
• To count from 1 to 138,261,357 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 138261357 cubic inches would be around 43.1 feet tall.

Recreational maths with 138261357

• 138261357 backwards is 753162831
• The number of decimal digits it has is: 9
• The sum of 138261357's digits is 36
• More coming soon!