13440768

Names of 13440768

• Cardinal: 13440768 can be written as Thirteen million, four hundred forty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3440768 × 10⁷

Factors of 13440768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 96

Divisors of 13440768

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 43 44 48 64 66 74 86 88 96 111 128 129 132 148 172 176 192 222 256 258 264 296 344 352 384 407 444 473 516 528 592 688 704 768 814 888 946 1032 1056 1184 1221 1376 1408 1419 1591 1628 1776 1892 2064 2112 2368 2442 2752 2816 2838 3182 3256 3552 3784 4128 4224 4736 4773 4884 5504 5676 6364 6512 7104 7568 8256 8448 9472 9546 9768 11008 11352 12728 13024 14208 15136 16512 17501 19092 19536 22704 25456 26048 28416 30272 33024 35002 38184 39072 45408 50912 52096 52503 60544 70004 76368 78144 90816 101824 104192 105006 121088 140008 152736 156288 181632 203648 210012 280016 305472 312576 363264 407296 420024 560032 610944 840048 1120064 1221888 1680096 2240128 3360192 4480256 6720384 13440768
• Sum of all divisors σ(n): 41010816
• Sum of proper divisors (its aliquot sum) s(n): 27570048
• 13440768 is an abundant number, because the sum of its proper divisors (27570048) is greater than itself. Its abundance is 14129280

Bases of 13440768

• Binary: 110011010001011100000000₂
• Hexadecimal: 0xCD1700
• Base-36: 802YO

Squares and roots of 13440768

• 13440768 squared (13440768²) is 180654244429824
• 13440768 cubed (13440768³) is 2428131787596556664832
• The square root of 13440768 is 3666.1652990557
• The cube root of 13440768 is 237.7614067267

Scales and comparisons

• 13,440,768 seconds is equal to 22 weeks, 1 day, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 13,440,768 would take you about thirty-three 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 13440768 cubic inches would be around 19.8 feet tall.

Recreational maths with 13440768

• 13440768 backwards is 86704431
• 13440768 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13440768's digits is 33
• More coming soon!