157215913 is an odd 9-digits prime number following 157215912
and preceding 157215914 . In scientific notation, it is written as 1.57215913 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 157215912 positive integers (up to 157215913) that are relatively prime to 157215913.
157215913 has 2 divisors, whose sum is 157215914
The reverse of 157215913 is 319512751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
one hundred fifty-seven million two hundred fifteen thousand nine hundred thirteen
Scientific notation
1.57215913 × 10^8
Engineering notation
1.57215913 × 10^6
Prime Factorization
157215913
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157215913 Product of the distinct prime numbers
The prime factorization of 157215913 is 157215913.
Since it has a total of 1 prime factors.
8 , 9 , 40 , 81 , 575 , 866 , 1875 , 3128 , 2591 , 254 , 918427 , 208483 , 8919582 , 6054930 , 29608799 , 50236108 , 696049407 , 869079254 , 8214274055 , 1496650359
n×2
314431826
n×3
471647739
n×4
628863652
n×5
786079565
n÷2
78607956.5
n÷3
52405304.333333
n÷3
39303978.25
n÷5
31443182.6
n2
24716843300423569
n3
3.885881085954E+24
n4
6.1092234273769E+32
n5
9.6046713885605E+40
2 √n12538.576992626
3 √n539.71625811331
4 √n111.97578752849
5 √n43.581211654057
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157215914 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78607957 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12538.577032503 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872786 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215913 can be divided by 2 positive divisors.
The sum of these divisors (counting 157215913) is 157215914, the average is 78607957.
Base
System
Value
2
Binary
1001010111101110110010101001
3
Ternary
101221211101200121
4
Quaternary
21113232302221
5
Quinary
310221402123
6
Senary
23333403241
8
Octal
1127566251
10
Decimal
157215913
12
Duodecimal
44799521
16
Hexadecimal
95eeca9
20
Vigesimal
292bjfd
36
Base36
2llokp
md5
deb141c9264d47705d869274fe5c0e61
sha1
637b1b79ed84fbe5c34e98d910701e8ae1b75586
sha256
878cbedc8905763045c25e20285c3a75d89ee6390752bce4f24a25dedf53774d
sha512
ae30802f865a341ea60f2fb71152f04d948c260acac1275de79c87228450a9946df85ddb94bc6fe022eae7ed06c1728a1c4013a95a42159ab77a08f324c31f38
ripemd-160
9c068b4686540f748788a2b278a5534d989493e4
Diameter
314431826
Circumference
987816714.61642
Area
7.7650253332541E+16
Volume
1.6277140629809E+25
Surface area
3.1060101333016E+17
Circumference
987816714.61642
Perimeter
628863652
Area
24716843300423569
Diagonal
222336876.38547
Surface area
148301059802541414
Volume
3.885881085954E+24
Space diagonal
272305949.07433
Perimeter
471647739
Area
1.0702707099763E+16
Altitude
136152974.53716
Surface area
1.0702707099763E+16
Volume
4.5795547779377E+23
Height
74112292.12849