157020809 is an odd 9-digits composite number following 157020808
and preceding 157020810 . In scientific notation, it is written as 1.57020809 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 142669440 positive integers (up to 157020809) that are relatively prime to 157020809.
157020809 has 8 divisors, whose sum is 171387552
The reverse of 157020809 is 908020751
Previous prime number is 3163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-seven million twenty thousand eight hundred nine
Scientific notation
1.57020809 × 10^8
Engineering notation
1.57020809 × 10^6
Prime Factorization
11 × 3163 × 4513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157020809
Product of the distinct prime numbers
The prime factorization of 157020809 is 11 × 3163 × 4513.
Since it has a total of 3 prime factors.
4 , 2 , 42 , 86 , 742 , 917 , 9485 , 577 , 67223 , 24553 , 899154 , 633473 , 1313053 , 8251748 , 79124065 , 99556730 , 522744396 , 104878921 , 7473680375 , 2277889621
n×2
314041618
n×3
471062427
n×4
628083236
n×5
785104045
n÷2
78510404.5
n÷3
52340269.666667
n÷3
39255202.25
n÷5
31404161.8
n2
24655534459014481
n3
3.8714319670818E+24
n4
6.0789537945965E+32
n5
9.5452224270116E+40
2 √n
12530.794428128
3 √n
539.49290415359
4 √n
111.94103103031
5 √n
43.570389476448
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
-157020808
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 157020809 can be divided by 8 positive divisors.
The sum of these divisors (counting 157020809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111001010001001
3
Ternary
101221110111001112
4
Quaternary
21112333022021
5
Quinary
310144131214
6
Senary
23325300105
8
Octal
1126771211
10
Decimal
157020809
12
Duodecimal
44704635
16
Hexadecimal
95bf289
20
Vigesimal
2917c09
36
Base36
2lhi15
md5
a12032259aab6e07f823ac7fd6d0a614
sha1
7a225dbddd1137840d4e50f9b01ecc24b22592b2
sha256
68fd075d2d61974dbdd695662f9bd60cd89207e90ac6ddc38959b5ae4d519ced
sha512
150dee2b322b7298fe97f93cc7f556f35ce974087485ff293b788343d9a0abf72967306f3b131648c66e2d8be0a97456a9e8f192562feaed8210d9e37c9008a2
ripemd-160
f9bbe43a94660e5d7f07ead9e921fad3c581c816
Diameter
314041618
Circumference
986590840.03025
Area
7.745764592677E+16
Volume
1.6216616302209E+25
Surface area
3.0983058370708E+17
Circumference
986590840.03025
Perimeter
628083236
Area
24655534459014481
Diagonal
222060957.6626
Surface area
147933206754086886
Volume
3.8714319670818E+24
Space diagonal
271968019.03357
Perimeter
471062427
Area
1.0676159592695E+16
Altitude
135984009.51678
Surface area
1.0676159592695E+16
Volume
4.5625263280432E+23
Height
74020319.220865