157156949 is an odd 9-digits composite number following 157156948
and preceding 157156950 . In scientific notation, it is written as 1.57156949 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 152087340 positive integers (up to 157156949) that are relatively prime to 157156949.
157156949 has 4 divisors, whose sum is 162226560
The reverse of 157156949 is 949651751
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-seven million one hundred fifty-six thousand nine hundred forty-nine
Scientific notation
1.57156949 × 10^8
Engineering notation
1.57156949 × 10^6
Prime Factorization
31 × 5069579
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157156949
Product of the distinct prime numbers
The prime factorization of 157156949 is 31 × 5069579.
Since it has a total of 2 prime factors.
6 , 1 , 12 , 31 , 81 , 132 , 1702 , 6883 , 32232 , 49756 , 170433 , 180830 , 9090515 , 6892078 , 72036794 , 53288900 , 25600604 , 862901318 , 5263092587 , 283627189
n×2
314313898
n×3
471470847
n×4
628627796
n×5
785784745
n÷2
78578474.5
n÷3
52385649.666667
n÷3
39289237.25
n÷5
31431389.8
n2
24698306618988601
n3
3.8815105137068E+24
n4
6.1000634984558E+32
n5
9.5866736812357E+40
2 √n
12536.225468617
3 √n
539.64877595202
4 √n
111.96528689115
5 √n
43.577942127312
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
-157156948
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 157156949 can be divided by 4 positive divisors.
The sum of these divisors (counting 157156949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111100000011001010101
3
Ternary
101221201101210202
4
Quaternary
21113200121111
5
Quinary
310213010244
6
Senary
23332230245
8
Octal
1127403125
10
Decimal
157156949
12
Duodecimal
4476b385
16
Hexadecimal
95e0655
20
Vigesimal
2924c79
36
Base36
2lkf2t
md5
d28e2c7b999ce06a568a082c832575b8
sha1
9304c92e64ae74dcc1159db0f0a53ecd9c29aae6
sha256
69baf7a55d62575e58b1f064c13ab88a82e8872b51a895bcd24ffe7d6b4d94f1
sha512
d4689ba387abac1f5f1bacfcc8e37b26f82b722d87882102fb72ead72708f3761496440b2546b8c1403d90dc34e156e549b0802aa2d6b08c5f9fbd42249dd9b0
ripemd-160
e1966166fa5a1da5f873932ad4bfdd52f9525c60
Diameter
314313898
Circumference
987446232.87797
Area
7.7592018630323E+16
Volume
1.625883321959E+25
Surface area
3.1036807452129E+17
Circumference
987446232.87797
Perimeter
628627796
Area
24698306618988601
Diagonal
222253488.69698
Surface area
148189839713931606
Volume
3.8815105137068E+24
Space diagonal
272203820.43051
Perimeter
471470847
Area
1.0694680481251E+16
Altitude
136101910.21526
Surface area
1.0694680481251E+16
Volume
4.5744040091482E+23
Height
74084496.232326