64149129819936225

Names of 64149129819936225

• Cardinal: 64149129819936225 can be written as Sixty-four quadrillion, one hundred forty-nine trillion, one hundred twenty-nine billion, eight hundred nineteen million, nine hundred thirty-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.4149129819936225 × 10¹⁶

Factors of 64149129819936225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 77182

Divisors of 64149129819936225

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 5 9 15 25 27 45 73 75 81 135 219 225 365 405 657 675 1095 1825 1971 2025 3285 5329 5475 5913 9855 15987 16425 26645 29565 47961 49275 77101 79935 133225 143883 147825 231303 239805 385505 399675 431649 693909 719415 1156515 1199025 1927525 2081727 2158245 3469545 3597075 5628373 5782575 6245181 10408635 10791225 16885119 17347725 28141865 31225905 50655357 52043175 84425595 140709325 151966071 156129525 253276785 410871229 422127975 455898213 759830355 1232613687 1266383925 2054356145 2279491065 3697841061 3799151775 5944564201 6163068435 10271780725 11093523183 11397455325 17833692603 18489205305 29722821005 30815342175 33280569549 53501077809 55467615915 89168463015 92446026525 148614105025 160503233427 166402847745 267505389045 277338079575 433953186673 445842315075 481509700281 802516167135 832014238725 1301859560019 1337526945225 2169765933365 2407548501405 3905578680057 4012580835675 6509297800095 10848829666825 11716736040171 12037742507025 19527893400285 31678582627129 32546489000475 35150208120513 58583680200855 95035747881387 97639467001425 158392913135645 175751040602565 285107243644161 292918401004275 475178739406935 791964565678225 855321730932483 878755203012825 1425536218220805 2375893697034675 2565965192797449 4276608654662415 7127681091104025 12829825963987245 21383043273312075 64149129819936225
• Sum of all divisors σ(n): 120477982497368859
• Sum of proper divisors (its aliquot sum) s(n): 56328852677432634
• 64149129819936225 is a deficient number, because the sum of its proper divisors (56328852677432634) is less than itself. Its deficiency is 7820277142503591

Bases of 64149129819936225

• Binary: 11100011111001110100101100101111100100010101010111100001₂
• Hexadecimal: 0xE3E74B2F9155E1
• Base-36: HJMYVELC929

Squares and roots of 64149129819936225

• 64149129819936225 squared (64149129819936225²) is 4115110856655031010891463067250625
• 64149129819936225 cubed (64149129819936225³) is 263980780566992554078919123628076130544023591390625
• 64149129819936225 is a perfect square number. Its square root is 253276785
• The cube root of 64149129819936225 is 400310.4461205499

Scales and comparisons

• 64,149,129,819,936,225 seconds is equal to 2,039,743,901 years, 51 weeks, 2 days, 8 hours, 3 minutes, 45 seconds.
• To count from 1 to 64,149,129,819,936,225 would take you about six billion, one hundred nineteen million, two hundred thirty-one thousand, seven hundred five 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 64149129819936225 cubic inches would be around 33359.2 feet tall.

Recreational maths with 64149129819936225

• 64149129819936225 backwards is 52263991892194146
• 64149129819936225 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 64149129819936225's digits is 81
• More coming soon!