138704384

Names of 138704384

• Cardinal: 138704384 can be written as One hundred thirty-eight million, seven hundred four thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.38704384 × 10⁸

Factors of 138704384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 251

Divisors of 138704384

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 169 182 208 224 229 256 338 364 416 448 458 512 676 728 832 896 916 1183 1352 1456 1603 1664 1792 1832 2366 2704 2912 2977 3206 3328 3584 3664 4732 5408 5824 5954 6412 6656 7328 9464 10816 11648 11908 12824 14656 18928 20839 21632 23296 23816 25648 29312 37856 38701 41678 43264 46592 47632 51296 58624 75712 77402 83356 86528 95264 102592 117248 151424 154804 166712 190528 205184 270907 302848 309608 333424 381056 410368 541814 605696 619216 666848 762112 820736 1083628 1238432 1333696 1524224 2167256 2476864 2667392 4334512 4953728 5334784 8669024 9907456 10669568 17338048 19814912 34676096 69352192 138704384
• Sum of all divisors σ(n): 344464560
• Sum of proper divisors (its aliquot sum) s(n): 205760176
• 138704384 is an abundant number, because the sum of its proper divisors (205760176) is greater than itself. Its abundance is 67055792

Bases of 138704384

• Binary: 1000010001000111011000000000₂
• Hexadecimal: 0x8447600
• Base-36: 2AKWZK

Squares and roots of 138704384

• 138704384 squared (138704384²) is 19238906140819456
• 138704384 cubed (138704384³) is 2668520625096179899695104
• The square root of 138704384 is 11777.2825388541
• The cube root of 138704384 is 517.6426628697

Scales and comparisons

• 138,704,384 seconds is equal to 4 years, 21 weeks, 2 days, 8 hours, 59 minutes, 44 seconds.
• To count from 1 to 138,704,384 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 138704384 cubic inches would be around 43.1 feet tall.

Recreational maths with 138704384

• 138704384 backwards is 483407831
• The number of decimal digits it has is: 9
• The sum of 138704384's digits is 38
• More coming soon!