13939128

Names of 13939128

• Cardinal: 13939128 can be written as Thirteen million, nine hundred thirty-nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3939128 × 10⁷

Factors of 13939128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 451

Divisors of 13939128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 196 216 252 294 324 378 392 439 441 504 567 588 648 756 878 882 1134 1176 1317 1323 1512 1756 1764 2268 2634 2646 3073 3512 3528 3951 3969 4536 5268 5292 6146 7902 7938 9219 10536 10584 11853 12292 15804 15876 18438 21511 23706 24584 27657 31608 31752 35559 36876 43022 47412 55314 64533 71118 73752 82971 86044 94824 110628 129066 142236 165942 172088 193599 221256 248913 258132 284472 331884 387198 497826 516264 580797 663768 774396 995652 1161594 1548792 1742391 1991304 2323188 3484782 4646376 6969564 13939128
• Sum of all divisors σ(n): 45520200
• Sum of proper divisors (its aliquot sum) s(n): 31581072
• 13939128 is an abundant number, because the sum of its proper divisors (31581072) is greater than itself. Its abundance is 17641944

Bases of 13939128

• Binary: 110101001011000110111000₂
• Hexadecimal: 0xD4B1B8
• Base-36: 8ARI0

Squares and roots of 13939128

• 13939128 squared (13939128²) is 194299289400384
• 13939128 cubed (13939128³) is 2708362665260995825152
• The square root of 13939128 is 3733.5141622873
• The cube root of 13939128 is 240.6644089725

Scales and comparisons

• 13,939,128 seconds is equal to 23 weeks, 7 hours, 58 minutes, 48 seconds.
• To count from 1 to 13,939,128 would take you about thirty-four weeks!

  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 13939128 cubic inches would be around 20.1 feet tall.

Recreational maths with 13939128

• 13939128 backwards is 82193931
• 13939128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13939128's digits is 36
• More coming soon!