13468728

Names of 13468728

• Cardinal: 13468728 can be written as Thirteen million, four hundred sixty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3468728 × 10⁷

Factors of 13468728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 906

Divisors of 13468728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 49 52 56 78 84 91 98 104 147 156 168 182 196 273 294 312 364 392 546 588 637 728 881 1092 1176 1274 1762 1911 2184 2548 2643 3524 3822 5096 5286 6167 7048 7644 10572 11453 12334 15288 18501 21144 22906 24668 34359 37002 43169 45812 49336 68718 74004 80171 86338 91624 129507 137436 148008 160342 172676 240513 259014 274872 320684 345352 481026 518028 561197 641368 962052 1036056 1122394 1683591 1924104 2244788 3367182 4489576 6734364 13468728
• Sum of all divisors σ(n): 42230160
• Sum of proper divisors (its aliquot sum) s(n): 28761432
• 13468728 is an abundant number, because the sum of its proper divisors (28761432) is greater than itself. Its abundance is 15292704

Bases of 13468728

• Binary: 110011011000010000111000₂
• Hexadecimal: 0xCD8438
• Base-36: 80OJC

Squares and roots of 13468728

• 13468728 squared (13468728²) is 181406633937984
• 13468728 cubed (13468728³) is 2443316609906275364352
• The square root of 13468728 is 3669.9765666827
• The cube root of 13468728 is 237.9261593305

Scales and comparisons

• 13,468,728 seconds is equal to 22 weeks, 1 day, 21 hours, 18 minutes, 48 seconds.
• To count from 1 to 13,468,728 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 13468728 cubic inches would be around 19.8 feet tall.

Recreational maths with 13468728

• 13468728 backwards is 82786431
• 13468728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13468728's digits is 39
• More coming soon!