13920768

Names of 13920768

• Cardinal: 13920768 can be written as Thirteen million, nine hundred twenty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3920768 × 10⁷

Factors of 13920768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 77

Divisors of 13920768

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 53 54 57 64 72 76 96 106 108 114 128 144 152 159 171 192 212 216 228 256 288 304 318 342 384 424 432 456 477 512 513 576 608 636 684 768 848 864 912 954 1007 1026 1152 1216 1272 1368 1431 1536 1696 1728 1824 1908 2014 2052 2304 2432 2544 2736 2862 3021 3392 3456 3648 3816 4028 4104 4608 4864 5088 5472 5724 6042 6784 6912 7296 7632 8056 8208 9063 9728 10176 10944 11448 12084 13568 13824 14592 15264 16112 16416 18126 20352 21888 22896 24168 27136 27189 29184 30528 32224 32832 36252 40704 43776 45792 48336 54378 61056 64448 65664 72504 81408 87552 91584 96672 108756 122112 128896 131328 145008 183168 193344 217512 244224 257792 262656 290016 366336 386688 435024 515584 580032 732672 773376 870048 1160064 1546752 1740096 2320128 3480192 4640256 6960384 13920768
• Sum of all divisors σ(n): 44193600
• Sum of proper divisors (its aliquot sum) s(n): 30272832
• 13920768 is an abundant number, because the sum of its proper divisors (30272832) is greater than itself. Its abundance is 16352064

Bases of 13920768

• Binary: 110101000110101000000000₂
• Hexadecimal: 0xD46A00
• Base-36: 8ADC0

Squares and roots of 13920768

• 13920768 squared (13920768²) is 193787781709824
• 13920768 cubed (13920768³) is 2697674750417103224832
• The square root of 13920768 is 3731.0545426193
• The cube root of 13920768 is 240.5586983913

Scales and comparisons

• 13,920,768 seconds is equal to 23 weeks, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 13,920,768 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 13920768 cubic inches would be around 20 feet tall.

Recreational maths with 13920768

• 13920768 backwards is 86702931
• 13920768 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13920768's digits is 36
• More coming soon!