745409851728

Names of 745409851728

• Cardinal: 745409851728 can be written as Seven hundred forty-five billion, four hundred nine million, eight hundred fifty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.45409851728 × 10¹¹

Factors of 745409851728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 137754

Divisors of 745409851728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 3739 7478 11217 14956 22434 29912 44868 59824 89736 115909 133979 179472 231818 267958 347727 401937 463636 535916 695454 803874 927272 1071832 1390908 1607748 1854544 2143664 2781816 3215496 4153349 5563632 6430992 8306698 12460047 16613396 24920094 33226792 49840188 66453584 99680376 199360752 500947481 1001894962 1502842443 2003789924 3005684886 4007579848 6011369772 8015159696 12022739544 15529371911 24045479088 31058743822 46588115733 62117487644 93176231466 124234975288 186352462932 248469950576 372704925864 745409851728
• Sum of all divisors σ(n): 1988306073600
• Sum of proper divisors (its aliquot sum) s(n): 1242896221872
• 745409851728 is an abundant number, because the sum of its proper divisors (1242896221872) is greater than itself. Its abundance is 497486370144

Bases of 745409851728

• Binary: 1010110110001101111000111011000101010000₂
• Hexadecimal: 0xAD8DE3B150
• Base-36: 9IFPS2MO

Squares and roots of 745409851728

• 745409851728 squared (745409851728²) is 555635847053158944585984
• 745409851728 cubed (745409851728³) is 414176434366656894617855301786980352
• The square root of 745409851728 is 863371.2131684727
• The cube root of 745409851728 is 9067.0297932009

Scales and comparisons

• 745,409,851,728 seconds is equal to 23,701 years, 37 weeks, 5 days, 20 hours, 8 minutes, 48 seconds.
• To count from 1 to 745,409,851,728 would take you about forty-seven thousand, four hundred three years!

  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 745409851728 cubic inches would be around 755.6 feet tall.

Recreational maths with 745409851728

• 745409851728 backwards is 827158904547
• The number of decimal digits it has is: 12
• The sum of 745409851728's digits is 60
• More coming soon!