157438945 is an odd 9-digits composite number following 157438944
and preceding 157438946 . In scientific notation, it is written as 1.57438945 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 122943744 positive integers (up to 157438945) that are relatively prime to 157438945.
157438945 has 8 divisors, whose sum is 159344640
The reverse of 157438945 is 549834751
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred fifty-seven million four hundred thirty-eight thousand nine hundred forty-five
Scientific notation
1.57438945 × 10^8
Engineering notation
1.57438945 × 10^6
Prime Factorization
335 × 113 × 4159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157438945
Product of the distinct prime numbers
The prime factorization of 157438945 is 335 × 113 × 4159.
Since it has a total of 3 prime factors.
6 , 1 , 23 , 85 , 996 , 298 , 9200 , 7994 , 96747 , 22810 , 945959 , 652367 , 8524954 , 3697597 , 26191918 , 80908158 , 609494168 , 276893986 , 7847949519 , 2773931656
n×2
314877890
n×3
472316835
n×4
629755780
n×5
787194725
n÷2
78719472.5
n÷3
52479648.333333
n÷3
39359736.25
n÷5
31487789
n2
24787021402713025
n3
3.9024424993356E+24
n4
6.1439643001855E+32
n5
9.6729925753887E+40
2 √n
12547.467672802
3 √n
539.97135764861
4 √n
112.01547961242
5 √n
43.59356980998
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
-157438944
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 157438945 can be divided by 8 positive divisors.
The sum of these divisors (counting 157438945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100101001111100001
3
Ternary
101222020201122001
4
Quaternary
21120211033201
5
Quinary
310301021240
6
Senary
23342244001
8
Octal
1130451741
10
Decimal
157438945
12
Duodecimal
44886601
16
Hexadecimal
96253e1
20
Vigesimal
293jh75
36
Base36
2lqgo1
md5
2dbd4532c226b4ee247227eb3c42c5d0
sha1
04ef57569ecd1c6353d3b046c1e260355498a38a
sha256
655009dec18be1ffde2df8b029cd0058b963f227605e77821f5199b5db99d4ec
sha512
4827b3cc80fd7d194746da3ab2e6933c47af2b2d52b22fb3c5d8987a147dbb298d192956cd0e35d4c5949fb2b36f968c11552d5b57a8e1a0cc5ad974c7865eaf
ripemd-160
c3266940422304eb6b3326bec02a6332470d354a
Diameter
314877890
Circumference
989218066.00186
Area
7.7870724343136E+16
Volume
1.6346512915959E+25
Surface area
3.1148289737254E+17
Circumference
989218066.00186
Perimeter
629755780
Area
24787021402713025
Diagonal
222652291.26471
Surface area
148722128416278150
Volume
3.9024424993356E+24
Space diagonal
272692251.83004
Perimeter
472316835
Area
1.0733095109449E+16
Altitude
136346125.91502
Surface area
1.0733095109449E+16
Volume
4.5990725907846E+23
Height
74217430.421571