157436921 is an odd 9-digits prime number following 157436920
and preceding 157436922 . In scientific notation, it is written as 1.57436921 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 157436920 positive integers (up to 157436921) that are relatively prime to 157436921.
157436921 has 2 divisors, whose sum is 157436922
The reverse of 157436921 is 129634751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred fifty-seven million four hundred thirty-six thousand nine hundred twenty-one
Scientific notation
1.57436921 × 10^8
Engineering notation
1.57436921 × 10^6
Prime Factorization
157436921
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157436921 Product of the distinct prime numbers
The prime factorization of 157436921 is 157436921.
Since it has a total of 1 prime factors.
2 , 9 , 54 , 82 , 505 , 919 , 364 , 2473 , 42965 , 74616 , 852802 , 978096 , 7536375 , 5782908 , 30496741 , 18623153 , 498198624 , 301124345 , 385521110 , 8900761999
n×2
314873842
n×3
472310763
n×4
629747684
n×5
787184605
n÷2
78718460.5
n÷3
52478973.666667
n÷3
39359230.25
n÷5
31487384.2
n2
24786384093960241
n3
3.9022919944765E+24
n4
6.1436483645333E+32
n5
9.672370822188E+40
2 √n12547.387018818
3 √n539.96904372153
4 √n112.01511959918
5 √n43.59345772356
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157436922 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78718461 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12547.387058667 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872965 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157436921 can be divided by 2 positive divisors.
The sum of these divisors (counting 157436921) is 157436922, the average is 78718461.
Base
System
Value
2
Binary
1001011000100100101111111001
3
Ternary
101222020121212002
4
Quaternary
21120210233321
5
Quinary
310300440141
6
Senary
23342230345
8
Octal
1130445771
10
Decimal
157436921
12
Duodecimal
448853b5
16
Hexadecimal
9624bf9
20
Vigesimal
293jc61
36
Base36
2lqf3t
md5
e58c9912cb9ce28cbc018514a2905fa5
sha1
69ab3d6fb8d4318b871a66fd4caf93c51f27f7d0
sha256
c1f038550c5c6194c8d41844c5e21249cc24a5b4cbfbfd5ebd2ba0602062bb49
sha512
ed4ef72d5d86cb0d4009b10a69c55de56a1a625e02328143e1e2cca31e9fcb294147e04b4f1daa8c286a0a19c63337744e9f495c7c691107ecae9dbad398b560
ripemd-160
d0d581cccc4b626b3be088e8a651be9484648392
Diameter
314873842
Circumference
989205348.83479
Area
7.786872217864E+16
Volume
1.6345882482679E+25
Surface area
3.1147488871456E+17
Circumference
989205348.83479
Perimeter
629747684
Area
24786384093960241
Diagonal
222649428.89646
Surface area
148718304563761446
Volume
3.9022919944765E+24
Space diagonal
272688746.15921
Perimeter
472310763
Area
1.0732819146664E+16
Altitude
136344373.0796
Surface area
1.0732819146664E+16
Volume
4.5988952191072E+23
Height
74216476.298821