157245870 is an even 9-digits composite number following 157245869
and preceding 157245871 . In scientific notation, it is written as 1.57245870 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 41932224 positive integers (up to 157245870) that are relatively prime to 157245870.
157245870 has 8 divisors, whose sum is 251593440
The reverse of 157245870 is 078542751
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million two hundred forty-five thousand eight hundred seventy
Scientific notation
1.57245870 × 10^8
Engineering notation
1.57245870 × 10^6
Prime Factorization
2 × 15 × 5241529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157245870
Product of the distinct prime numbers
The prime factorization of 157245870 is 2 × 15 × 5241529.
Since it has a total of 3 prime factors.
6 , 8 , 65 , 100 , 837 , 211 , 2949 , 1823 , 30060 , 77555 , 85287 , 787809 , 6381493 , 8338246 , 96783434 , 6487057 , 641095050 , 499951706 , 5621837444 , 4127186382
n×2
314491740
n×3
471737610
n×4
628983480
n×5
786229350
n÷2
78622935
n÷3
52415290
n÷3
39311467.5
n÷5
31449174
n2
24726263632056900
n3
3.8881028366721E+24
n4
6.1138811320198E+32
n5
9.6138255768104E+40
2 √n
12539.771529019
3 √n
539.7505363506
4 √n
111.98112130631
5 √n
43.58287238017
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
-157245869
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 157245870 can be divided by 8 positive divisors.
The sum of these divisors (counting 157245870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111110110000110101110
3
Ternary
101221212220210010
4
Quaternary
21113312012232
5
Quinary
310223331440
6
Senary
23334154050
8
Octal
1127660656
10
Decimal
157245870
12
Duodecimal
447b2926
16
Hexadecimal
95f61ae
20
Vigesimal
292feda
36
Base36
2lmbou
md5
578e6580ffa8d1bca05d14f22f849d19
sha1
866fc9850a0f13612b213b1ec7a67779ca590235
sha256
f5bee528dfacd6d82d29040a39a6c277233587e3246e1015b487e33561ef0f4e
sha512
b523fc6c9c636117450bc15bf0236da576f0cee3696bca426834b87f6de799e3e825c29b23b4e92d1bb14e1570b3b849d01ffd3d9853d1ec17fb4a613508896d
ripemd-160
5a3385df194c8fcf72b248a4fbb79369f8a5be3d
Diameter
314491740
Circumference
988004939.99867
Area
7.7679848177194E+16
Volume
1.6286447077454E+25
Surface area
3.1071939270878E+17
Circumference
988004939.99867
Perimeter
628983480
Area
24726263632056900
Diagonal
222379241.98116
Surface area
148357581792341400
Volume
3.8881028366721E+24
Space diagonal
272357836.12037
Perimeter
471737610
Area
1.0706786223016E+16
Altitude
136178918.06019
Surface area
1.0706786223016E+16
Volume
4.5821731362692E+23
Height
74126413.993719