13879728

Names of 13879728

• Cardinal: 13879728 can be written as Thirteen million, eight hundred seventy-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3879728 × 10⁷

Factors of 13879728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 113

Divisors of 13879728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 89 108 114 144 152 171 178 216 228 267 304 342 356 361 432 456 513 534 684 712 722 801 912 1026 1068 1083 1368 1424 1444 1602 1691 2052 2136 2166 2403 2736 2888 3204 3249 3382 4104 4272 4332 4806 5073 5776 6408 6498 6764 8208 8664 9612 9747 10146 12816 12996 13528 15219 17328 19224 19494 20292 25992 27056 30438 32129 38448 38988 40584 45657 51984 60876 64258 77976 81168 91314 96387 121752 128516 155952 182628 192774 243504 257032 289161 365256 385548 514064 578322 730512 771096 867483 1156644 1542192 1734966 2313288 3469932 4626576 6939864 13879728
• Sum of all divisors σ(n): 42519600
• Sum of proper divisors (its aliquot sum) s(n): 28639872
• 13879728 is an abundant number, because the sum of its proper divisors (28639872) is greater than itself. Its abundance is 14760144

Bases of 13879728

• Binary: 110100111100100110110000₂
• Hexadecimal: 0xD3C9B0
• Base-36: 89HO0

Squares and roots of 13879728

• 13879728 squared (13879728²) is 192646849353984
• 13879728 cubed (13879728³) is 2673885869090273636352
• The square root of 13879728 is 3725.5506975479
• The cube root of 13879728 is 240.3220676085

Scales and comparisons

• 13,879,728 seconds is equal to 22 weeks, 6 days, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 13,879,728 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 13879728 cubic inches would be around 20 feet tall.

Recreational maths with 13879728

• 13879728 backwards is 82797831
• The number of decimal digits it has is: 8
• The sum of 13879728's digits is 45
• More coming soon!