157020815 is an odd 9-digits composite number following 157020814
and preceding 157020816 . In scientific notation, it is written as 1.57020815 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 107671392 positive integers (up to 157020815) that are relatively prime to 157020815.
157020815 has 8 divisors, whose sum is 215342880
The reverse of 157020815 is 518020751
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred fifty-seven million twenty thousand eight hundred fifteen
Scientific notation
1.57020815 × 10^8
Engineering notation
1.57020815 × 10^6
Prime Factorization
5 × 7 × 4486309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157020815
Product of the distinct prime numbers
The prime factorization of 157020815 is 5 × 7 × 4486309.
Since it has a total of 3 prime factors.
2 , 10 , 54 , 17 , 632 , 94 , 7080 , 337 , 58378 , 10060 , 507388 , 744388 , 3396277 , 3396116 , 28751006 , 51169367 , 953400078 , 396453089 , 8945279218 , 7550736843
n×2
314041630
n×3
471062445
n×4
628083260
n×5
785104075
n÷2
78510407.5
n÷3
52340271.666667
n÷3
39255203.75
n÷5
31404163
n2
24655536343264225
n3
3.8714324108815E+24
n4
6.0789547237402E+32
n5
9.5452242506979E+40
2 √n
12530.794667538
3 √n
539.4929110252
4 √n
111.94103209966
5 √n
43.570389809426
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157020814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157020815 can be divided by 8 positive divisors.
The sum of these divisors (counting 157020815) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111001010001111
3
Ternary
101221110111001202
4
Quaternary
21112333022033
5
Quinary
310144131230
6
Senary
23325300115
8
Octal
1126771217
10
Decimal
157020815
12
Duodecimal
4470463b
16
Hexadecimal
95bf28f
20
Vigesimal
2917c0f
36
Base36
2lhi1b
md5
3b650f2ee21e6ed19ce3d78abd96f803
sha1
0993406f7cef92217e0594ae79674ce649ec22cb
sha256
3aa34dafb7774e22c15dcd708893096877f9045677dee15a7323b99ad8d89e34
sha512
04baef48b0b6f6ef80e6a40f329a77df756a393e46154b1d0e9f6d5cf0a044748573cb4e6a7ab4a3f061ddd3a0330cc5a8efe7487e3ee9459ea1f7f006c45565
ripemd-160
7e12ad9e34685e0f5a09a85efac9a821d4f2c86f
Diameter
314041630
Circumference
986590877.72936
Area
7.7457651846315E+16
Volume
1.6216618161193E+25
Surface area
3.0983060738526E+17
Circumference
986590877.72936
Perimeter
628083260
Area
24655536343264225
Diagonal
222060966.14788
Surface area
147933218059585350
Volume
3.8714324108815E+24
Space diagonal
271968029.42587
Perimeter
471062445
Area
1.0676160408599E+16
Altitude
135984014.71294
Surface area
1.0676160408599E+16
Volume
4.5625268510661E+23
Height
74020322.049292