157030985 is an odd 9-digits composite number following 157030984
and preceding 157030986 . In scientific notation, it is written as 1.57030985 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 125624784 positive integers (up to 157030985) that are relatively prime to 157030985.
157030985 has 4 divisors, whose sum is 188437188
The reverse of 157030985 is 589030751
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred fifty-seven million thirty thousand nine hundred eighty-five
Scientific notation
1.57030985 × 10^8
Engineering notation
1.57030985 × 10^6
Prime Factorization
5 × 31406197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157030985
Product of the distinct prime numbers
The prime factorization of 157030985 is 5 × 31406197.
Since it has a total of 2 prime factors.
3 , 10 , 49 , 44 , 739 , 14 , 4452 , 3893 , 27386 , 53149 , 617114 , 722231 , 9572640 , 1905761 , 21193849 , 64564313 , 542922396 , 515379868 , 1649468588 , 6765885597
n×2
314061970
n×3
471092955
n×4
628123940
n×5
785154925
n÷2
78515492.5
n÷3
52343661.666667
n÷3
39257746.25
n÷5
31406197
n2
24658730250070225
n3
3.8721847000178E+24
n4
6.0805297754573E+32
n5
9.5483157996189E+40
2 √n
12531.200461249
3 √n
539.50455815291
4 √n
111.94284461835
5 √n
43.570954192415
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
-157030984
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 157030985 can be divided by 4 positive divisors.
The sum of these divisors (counting 157030985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111000001101001001001
3
Ternary
101221111000000102
4
Quaternary
21113001221021
5
Quinary
310144442420
6
Senary
23325415145
8
Octal
1127015111
10
Decimal
157030985
12
Duodecimal
4470a4b5
16
Hexadecimal
95c1a49
20
Vigesimal
2918h95
36
Base36
2lhpvt
md5
aed54c035d867cfb633096bbefdb8b55
sha1
e8bfafbe1f042f195a6e88c667d124de522e6154
sha256
5806a8f16d0777a02a81f5d01de6fb9f6e19bcc7467005231aeb8138d8abafa9
sha512
278daa242866593899dfd650d0c716efd67d69091dc6af4fc0775cab0000cb0a8de1eb973b4c45480669ef491df9220d8f5784cfe9579aec36efefecdc715d27
ripemd-160
d80b540ae3bb18df2f5b7522b6dfd09ab8006067
Diameter
314061970
Circumference
986654777.72394
Area
7.7467685800473E+16
Volume
1.6219769342558E+25
Surface area
3.0987074320189E+17
Circumference
986654777.72394
Perimeter
628123940
Area
24658730250070225
Diagonal
222075348.69981
Surface area
147952381500421350
Volume
3.8721847000178E+24
Space diagonal
271985644.38259
Perimeter
471092955
Area
1.0677543410814E+16
Altitude
135992822.19129
Surface area
1.0677543410814E+16
Volume
4.5634134323157E+23
Height
74025116.233269