64509420899104742

Names of 64509420899104742

• Cardinal: 64509420899104742 can be written as Sixty-four quadrillion, five hundred nine trillion, four hundred twenty billion, eight hundred ninety-nine million, one hundred four thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 6.4509420899104742 × 10¹⁶

Factors of 64509420899104742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14755148765

Divisors of 64509420899104742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 22 37 41 74 82 131 262 407 451 814 902 1441 1517 2882 3034 4847 5371 9694 10742 16687 33374 53317 59081 106634 118162 198727 397454 2185997 4371994 14755148543 29510297086 162306633973 324613267946 545940496091 604961090263 1091880992182 1209922180526 1932924459133 3865848918266 6005345457001 6654571992893 12010690914002 13309143985786 21262169050463 22383560339731 42524338100926 44767120679462 71518204987921 79249902824453 143036409975842 158499805648906 246219163737041 492438327474082 786700254867131 871748931068983 1573400509734262 1743497862137966 2932246404504761 5864492809009522 32254710449552371 64509420899104742
• Sum of all divisors σ(n): 111905879546216448
• Sum of proper divisors (its aliquot sum) s(n): 47396458647111706
• 64509420899104742 is a deficient number, because the sum of its proper divisors (47396458647111706) is less than itself. Its deficiency is 17112962251993036

Bases of 64509420899104742

• Binary: 11100101001011101111100111111101010110110111011111100110₂
• Hexadecimal: 0xE52EF9FD5B77E6
• Base-36: HN6OIUBFQP2

Squares and roots of 64509420899104742

• 64509420899104742 squared (64509420899104742²) is 4161465384737851659728617086886564
• 64509420899104742 cubed (64509420899104742³) is 268453722061108923701787299831711905354815708486488
• The square root of 64509420899104742 is 253987048.6837955719
• The cube root of 64509420899104742 is 401058.4900660567

Scales and comparisons

• 64,509,420,899,104,742 seconds is equal to 2,051,200,043 years, 44 weeks, 1 day, 20 hours, 39 minutes, 2 seconds.
• To count from 1 to 64,509,420,899,104,742 would take you about six billion, one hundred fifty-three million, six hundred thousand, one hundred thirty-one 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 64509420899104742 cubic inches would be around 33421.5 feet tall.

Recreational maths with 64509420899104742

• 64509420899104742 backwards is 24740199802490546
• 64509420899104742 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 64509420899104742's digits is 74
• More coming soon!