685409138 is an even 9-digits composite number following 685409137
and preceding 685409139 . In scientific notation, it is written as 6.85409138 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 342704568 positive integers (up to 685409138) that are relatively prime to 685409138.
685409138 has 4 divisors, whose sum is 1028113710
The reverse of 685409138 is 831904586
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred eighty-five million four hundred nine thousand one hundred thirty-eight
Scientific notation
6.85409138 × 10^8
Engineering notation
6.85409138 × 10^6
Prime Factorization
2 × 342704569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
685409138
Product of the distinct prime numbers
The prime factorization of 685409138 is 2 × 342704569.
Since it has a total of 2 prime factors.
10 , 6 , 77 , 43 , 529 , 604 , 4534 , 9001 , 13257 , 46562 , 972058 , 842365 , 4020423 , 3540979 , 43242087 , 50262368 , 942326922 , 636570148 , 2121751000 , 9487477920
n×2
1370818276
n×3
2056227414
n×4
2741636552
n×5
3427045690
n÷2
342704569
n÷3
228469712.66667
n÷3
171352284.5
n÷5
137081827.6
n2
469785686453903044
n3
3.2199540239711E+26
n4
2.2069859119696E+35
n5
1.5126883115013E+44
2 √n
26180.319669553
3 √n
881.691451489
4 √n
161.80333639809
5 √n
58.504595103764
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685409137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685409138 can be divided by 4 positive divisors.
The sum of these divisors (counting 685409138) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110110101000001101110010
3
Ternary
1202202201101120122
4
Quaternary
220312220031302
5
Quinary
2400431043023
6
Senary
152002410242
8
Octal
5066501562
10
Decimal
685409138
12
Duodecimal
171660982
16
Hexadecimal
28da8372
20
Vigesimal
ae3g2gi
36
Base36
bc2p2q
md5
287a0448b4d747c35165021644eae5dd
sha1
e7ddb820a796f19b3e4909924eb2d9a5234e90ec
sha256
8e8c827b2dd333d64360a8ca6c9edd97c7d9647402bdddd1e45a0477f8fda6ec
sha512
ac0c6a5b18e76f0594bbad05fa9d8c08972ce2f2d66e9cf8733c1983a3d2e4afd40476ed44ce1461896e8e25f809fab679b5061cc2bce7bed0ea31a11e24c779
ripemd-160
f0ea79833a47b22a553413eb4b5d1ba1ec53fb91
Diameter
1370818276
Circumference
4306552625.2882
Area
1.4758752613252E+18
Volume
1.3487711875473E+27
Surface area
5.9035010453009E+18
Circumference
4306552625.2882
Perimeter
2741636552
Area
469785686453903044
Diagonal
969314898.73405
Surface area
2818714118723418264
Volume
3.2199540239711E+26
Space diagonal
1187163450.988
Perimeter
2056227414
Area
2.034231694017E+17
Altitude
593581725.49399
Surface area
2.034231694017E+17
Volume
3.7947522090981E+25
Height
323104966.24468