68156908 is an even 8-digits composite number following 68156907
and preceding 68156909 . In scientific notation, it is written as 6.8156908 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 33980112 positive integers (up to 68156908) that are relatively prime to 68156908.
68156908 has 12 divisors, whose sum is 119618800
The reverse of 68156908 is 80965186
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-eight million one hundred fifty-six thousand nine hundred eight
Scientific notation
6.8156908 × 10^7
Engineering notation
6.8156908 × 10^6
Prime Factorization
2 × 2 × 349 × 48823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34078454
Product of the distinct prime numbers
The prime factorization of 68156908 is 2 × 2 × 349 × 48823.
Since it has a total of 4 prime factors.
8 , 5 , 10 , 86 , 107 , 534 , 1885 , 4598 , 33839 , 69771 , 93248 , 54329 , 3930578 , 2082016 , 31815552 , 54319523 , 640301311 , 265507118 , 9553996306 , 6328750908
n×2
136313816
n×3
204470724
n×4
272627632
n×5
340784540
n÷2
34078454
n÷3
22718969.333333
n÷3
17039227
n÷5
13631381.6
n2
4645364108120464
n3
3.1661365414367E+23
n4
2.1579407697014E+31
n5
1.4707857050999E+39
2 √n
8255.7197142345
3 √n
408.47921233246
4 √n
90.860991158112
5 √n
36.872448355299
1 , 2 , 4 , 349 , 698 , 1396 , 48823 , 97646 , 195292 , 17039227 , 34078454 , 68156908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68156907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68156908 can be divided by 12 positive divisors.
The sum of these divisors (counting 68156908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000011111111110111101100
3
Ternary
11202020201200221
4
Quaternary
10003333313230
5
Quinary
114422010113
6
Senary
10432501124
8
Octal
403776754
10
Decimal
68156908
12
Duodecimal
1a9aa7a4
16
Hexadecimal
40ffdec
20
Vigesimal
115jc58
36
Base36
14ku7g
md5
d3a9f44c89911cdcdbcaecf2009660b3
sha1
f29b107c4c4985ed3bb5109b52021c8240624bcd
sha256
d200c1c81375c06ab66555b1ff6f3afc31a66f8343e64163d1c7cda81f263ef0
sha512
96caf641a865b37eb2b2fd25b44d53a9c0f61fcbc9e24a17e30580a2ac9891891e43542e9dda9f4dd1cfff4c1bfbad5f20e682a420b6864688f980d9ac3ccb48
ripemd-160
6cf85a65191b16adcb3dec91489bfea7128ca255
Diameter
136313816
Circumference
428242482.92839
Area
1.4593841755321E+16
Volume
1.3262281731786E+24
Surface area
5.8375367021284E+16
Circumference
428242482.92839
Perimeter
272627632
Area
4645364108120464
Diagonal
96388423.663015
Surface area
27872184648722784
Volume
3.1661365414367E+23
Space diagonal
118051227.5428
Perimeter
204470724
Area
2.0115016637304E+15
Altitude
59025613.771399
Surface area
2.0115016637304E+15
Volume
3.7313276976873E+22
Height
32129474.554338