12997260

Names of 12997260

• Cardinal: 12997260 can be written as Twelve million, nine hundred ninety-seven thousand, two hundred sixty.

Scientific notation

• Scientific notation: 1.299726 × 10⁷

Factors of 12997260

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 194

Divisors of 12997260

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 71 81 90 108 113 135 142 162 180 213 226 270 284 324 339 355 405 426 452 540 565 639 678 710 810 852 1017 1065 1130 1278 1356 1420 1620 1695 1917 2034 2130 2260 2556 3051 3195 3390 3834 4068 4260 5085 5751 6102 6390 6780 7668 8023 9153 9585 10170 11502 12204 12780 15255 16046 18306 19170 20340 23004 24069 28755 30510 32092 36612 38340 40115 45765 48138 57510 61020 72207 80230 91530 96276 115020 120345 144414 160460 183060 216621 240690 288828 361035 433242 481380 649863 722070 866484 1083105 1299726 1444140 2166210 2599452 3249315 4332420 6498630 12997260
• Sum of all divisors σ(n): 41713056
• Sum of proper divisors (its aliquot sum) s(n): 28715796
• 12997260 is an abundant number, because the sum of its proper divisors (28715796) is greater than itself. Its abundance is 15718536

Bases of 12997260

• Binary: 110001100101001010001100₂
• Hexadecimal: 0xC6528C
• Base-36: 7QKR0

Squares and roots of 12997260

• 12997260 squared (12997260²) is 168928767507600
• 12997260 cubed (12997260³) is 2195611112775829176000
• The square root of 12997260 is 3605.1712858059
• The cube root of 12997260 is 235.1169479779

Scales and comparisons

• 12,997,260 seconds is equal to 21 weeks, 3 days, 10 hours, 21 minutes.
• To count from 1 to 12,997,260 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 12997260 cubic inches would be around 19.6 feet tall.

Recreational maths with 12997260

• 12997260 backwards is 06279921
• 12997260 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12997260's digits is 36
• More coming soon!