12706720

Names of 12706720

• Cardinal: 12706720 can be written as Twelve million, seven hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.270672 × 10⁷

Factors of 12706720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 210

Divisors of 12706720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 41 52 65 80 82 104 130 149 160 164 205 208 260 298 328 410 416 520 533 596 656 745 820 1040 1066 1192 1312 1490 1640 1937 2080 2132 2384 2665 2980 3280 3874 4264 4768 5330 5960 6109 6560 7748 8528 9685 10660 11920 12218 15496 17056 19370 21320 23840 24436 30545 30992 38740 42640 48872 61090 61984 77480 79417 85280 97744 122180 154960 158834 195488 244360 309920 317668 397085 488720 635336 794170 977440 1270672 1588340 2541344 3176680 6353360 12706720
• Sum of all divisors σ(n): 33339600
• Sum of proper divisors (its aliquot sum) s(n): 20632880
• 12706720 is an abundant number, because the sum of its proper divisors (20632880) is greater than itself. Its abundance is 7926160

Bases of 12706720

• Binary: 110000011110001110100000₂
• Hexadecimal: 0xC1E3A0
• Base-36: 7KCKG

Squares and roots of 12706720

• 12706720 squared (12706720²) is 161460733158400
• 12706720 cubed (12706720³) is 2051636327238504448000
• The square root of 12706720 is 3564.6486502879
• The cube root of 12706720 is 233.3517989921

Scales and comparisons

• 12,706,720 seconds is equal to 21 weeks, 1 hour, 38 minutes, 40 seconds.
• To count from 1 to 12,706,720 would take you about thirty-one 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 12706720 cubic inches would be around 19.4 feet tall.

Recreational maths with 12706720

• 12706720 backwards is 02760721
• The number of decimal digits it has is: 8
• The sum of 12706720's digits is 25
• More coming soon!