157047909 is an odd 9-digits composite number following 157047908
and preceding 157047910 . In scientific notation, it is written as 1.57047909 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 103899120 positive integers (up to 157047909) that are relatively prime to 157047909.
157047909 has 8 divisors, whose sum is 210996192
The reverse of 157047909 is 909740751
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million forty-seven thousand nine hundred nine
Scientific notation
1.57047909 × 10^8
Engineering notation
1.57047909 × 10^6
Prime Factorization
3 × 131 × 399613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157047909
Product of the distinct prime numbers
The prime factorization of 157047909 is 3 × 131 × 399613.
Since it has a total of 3 prime factors.
9 , 6 , 92 , 78 , 135 , 984 , 9402 , 7756 , 98294 , 54370 , 478829 , 847931 , 4030236 , 191665 , 87297629 , 2956471 , 966139643 , 681997107 , 6285936447 , 6617268093
n×2
314095818
n×3
471143727
n×4
628191636
n×5
785239545
n÷2
78523954.5
n÷3
52349303
n÷3
39261977.25
n÷5
31409581.8
n2
24664045721272281
n3
3.8734368080062E+24
n4
6.0831515134101E+32
n5
9.5534622531124E+40
2 √n
12531.875717545
3 √n
539.52393914141
4 √n
111.94586065391
5 √n
43.571893323048
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
-157047908
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 157047909 can be divided by 8 positive divisors.
The sum of these divisors (counting 157047909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000101110001100101
3
Ternary
101221111212020020
4
Quaternary
21113011301211
5
Quinary
310201013114
6
Senary
23330025353
8
Octal
1127056145
10
Decimal
157047909
12
Duodecimal
44718259
16
Hexadecimal
95c5c65
20
Vigesimal
291ajf9
36
Base36
2li2xx
md5
27ffeb74cfc31abad7602529397c9f2c
sha1
7be96b431c5f1bd0bc9068d5cc6cd8a4a538b7a2
sha256
aef038413e69e12ebcebee3a9596ff30809aae31c2205cd3138e67be1dbf612a
sha512
ce4bbdb7f34fbb2994015666839e4336871b218fb3db908f82cd0fa8d3fda6794706f58bd8d20a00a66afa98a7ac02ef47927259a559c2daf4c74df283804321
ripemd-160
e251995467de51e6611aa39f5fa5494c3be53ac5
Diameter
314095818
Circumference
986761114.35208
Area
7.7484384845752E+16
Volume
1.6225014160235E+25
Surface area
3.0993753938301E+17
Circumference
986761114.35208
Perimeter
628191636
Area
24664045721272281
Diagonal
222099282.85014
Surface area
147984274327633686
Volume
3.8734368080062E+24
Space diagonal
272014957.61045
Perimeter
471143727
Area
1.0679845077361E+16
Altitude
136007478.80523
Surface area
1.0679845077361E+16
Volume
4.5648890557313E+23
Height
74033094.283379