157245871 is an odd 9-digits composite number following 157245870
and preceding 157245872 . In scientific notation, it is written as 1.57245871 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 150409072 positive integers (up to 157245871) that are relatively prime to 157245871.
157245871 has 4 divisors, whose sum is 164082672
The reverse of 157245871 is 178542751
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-seven million two hundred forty-five thousand eight hundred seventy-one
Scientific notation
1.57245871 × 10^8
Engineering notation
1.57245871 × 10^6
Prime Factorization
23 × 6836777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157245871
Product of the distinct prime numbers
The prime factorization of 157245871 is 23 × 6836777.
Since it has a total of 2 prime factors.
7 , 6 , 10 , 100 , 592 , 516 , 639 , 5525 , 96533 , 89853 , 313243 , 412779 , 4974829 , 2519197 , 90698998 , 58779932 , 615409459 , 653384632 , 8893979258 , 6194483588
n×2
314491742
n×3
471737613
n×4
628983484
n×5
786229355
n÷2
78622935.5
n÷3
52415290.333333
n÷3
39311467.75
n÷5
31449174.2
n2
24726263946548641
n3
3.8881029108509E+24
n4
6.1138812875439E+32
n5
9.6138258825044E+40
2 √n
12539.771568892
3 √n
539.75053749477
4 √n
111.98112148435
5 √n
43.582872435603
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
-157245870
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 157245871 can be divided by 4 positive divisors.
The sum of these divisors (counting 157245871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111110110000110101111
3
Ternary
101221212220210011
4
Quaternary
21113312012233
5
Quinary
310223331441
6
Senary
23334154051
8
Octal
1127660657
10
Decimal
157245871
12
Duodecimal
447b2927
16
Hexadecimal
95f61af
20
Vigesimal
292fedb
36
Base36
2lmbov
md5
abb48624e704755f7523e081a41fbf08
sha1
ecada7ba6fa6c11a6e302d4cf0e90cf64cbabe67
sha256
97384c1080106151d07808b22960ba134fb3a4aab7af78601ae9f434d963d8df
sha512
af667e816b75ace4e3279ab42e090332d3bb1e45e4408ccaef3a4bd780b377f3346d59c1d8f2a981f482522ea97adc3ff3f0d7b55ce42c92c7f754713f52f9ea
ripemd-160
8dee20d42c21902872207b5c4b8ab8f33c191cf7
Diameter
314491742
Circumference
988004946.28186
Area
7.7679849165199E+16
Volume
1.6286447388174E+25
Surface area
3.107193966608E+17
Circumference
988004946.28186
Perimeter
628983484
Area
24726263946548641
Diagonal
222379243.39537
Surface area
148357583679291846
Volume
3.8881029108509E+24
Space diagonal
272357837.85242
Perimeter
471737613
Area
1.0706786359195E+16
Altitude
136178918.92621
Surface area
1.0706786359195E+16
Volume
4.5821732236898E+23
Height
74126414.465123