68157072 is an even 8-digits composite number following 68157071
and preceding 68157073 . In scientific notation, it is written as 6.8157072 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 22718880 positive integers (up to 68157072) that are relatively prime to 68157072.
68157072 has 20 divisors, whose sum is 136946096
The reverse of 68157072 is 27075186
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million one hundred fifty-seven thousand seventy-two
Scientific notation
6.8157072 × 10^7
Engineering notation
6.8157072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 27 × 157771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8519634
Product of the distinct prime numbers
The prime factorization of 68157072 is 2 × 2 × 2 × 2 × 27 × 157771.
Since it has a total of 6 prime factors.
6 , 9 , 11 , 18 , 588 , 409 , 119 , 4274 , 44683 , 15425 , 729591 , 906630 , 483373 , 648704 , 56099397 , 97319371 , 209427874 , 443638053 , 4828681780 , 3679784493
n×2
136314144
n×3
204471216
n×4
272628288
n×5
340785360
n÷2
34078536
n÷3
22719024
n÷3
17039268
n÷5
13631414.4
n2
4645386463613184
n3
3.1661593966831E+23
n4
2.1579615396321E+31
n5
1.4708034002993E+39
2 √n
8255.7296467363
3 √n
408.47953996145
4 √n
90.861045815774
5 √n
36.872466099871
1 , 2 , 4 , 8 , 16 , 27 , 54 , 108 , 216 , 432 , 157771 , 315542 , 631084 , 1262168 , 2524336 , 4259817 , 8519634 , 17039268 , 34078536 , 68157072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68157071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68157072 can be divided by 20 positive divisors.
The sum of these divisors (counting 68157072) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000011111111111010010000
3
Ternary
11202020201221000
4
Quaternary
10003333322100
5
Quinary
114422011242
6
Senary
10432502000
8
Octal
403777220
10
Decimal
68157072
12
Duodecimal
1a9aa900
16
Hexadecimal
40ffe90
20
Vigesimal
115jcdc
36
Base36
14kuc0
md5
96d2825f7e8129d842206f2c42df0d6f
sha1
e3aa11737d082d51b43bed5fcfbd21768ad43fd2
sha256
f1809028e2dcaf1e43a0fcd469cb1fb47b52c89870aa23cddc6ff965dcdb1aad
sha512
12df2485aa82ca2e9de9f2c264601cb540d005600a16c835611389c32f83f49aac9af196bdf711cb8cce85f4738832e1d1eff69fcb442e50ff9a2baa0901302a
ripemd-160
5178fa5661572c031c91071649d85fd8a3d333d9
Diameter
136314144
Circumference
428243513.37078
Area
1.4593911987173E+16
Volume
1.3262377467619E+24
Surface area
5.8375647948691E+16
Circumference
428243513.37078
Perimeter
272628288
Area
4645386463613184
Diagonal
96388655.59404
Surface area
27872318781679104
Volume
3.1661593966831E+23
Space diagonal
118051511.59913
Perimeter
204471216
Area
2.0115113439427E+15
Altitude
59025755.799565
Surface area
2.0115113439427E+15
Volume
3.7313546328535E+22
Height
32129551.86468