13125904

Names of 13125904

• Cardinal: 13125904 can be written as Thirteen million, one hundred twenty-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.3125904 × 10⁷

Factors of 13125904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 178

Divisors of 13125904

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 16 17 22 34 41 44 68 82 88 107 136 164 176 187 214 272 328 374 428 451 656 697 748 856 902 1177 1394 1496 1712 1804 1819 2354 2788 2992 3608 3638 4387 4708 5576 7216 7276 7667 8774 9416 11152 14552 15334 17548 18832 20009 29104 30668 35096 40018 48257 61336 70192 74579 80036 96514 122672 149158 160072 193028 298316 320144 386056 596632 772112 820369 1193264 1640738 3281476 6562952 13125904
• Sum of all divisors σ(n): 30373056
• Sum of proper divisors (its aliquot sum) s(n): 17247152
• 13125904 is an abundant number, because the sum of its proper divisors (17247152) is greater than itself. Its abundance is 4121248

Bases of 13125904

• Binary: 110010000100100100010000₂
• Hexadecimal: 0xC84910
• Base-36: 7TC0G

Squares and roots of 13125904

• 13125904 squared (13125904²) is 172289355817216
• 13125904 cubed (13125904³) is 2261453544678618763264
• The square root of 13125904 is 3622.9689482521
• The cube root of 13125904 is 235.8901145045

Scales and comparisons

• 13,125,904 seconds is equal to 21 weeks, 4 days, 22 hours, 5 minutes, 4 seconds.
• To count from 1 to 13,125,904 would take you about thirty-two 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 13125904 cubic inches would be around 19.7 feet tall.

Recreational maths with 13125904

• 13125904 backwards is 40952131
• The number of decimal digits it has is: 8
• The sum of 13125904's digits is 25
• More coming soon!