157045421 is an odd 9-digits composite number following 157045420
and preceding 157045422 . In scientific notation, it is written as 1.57045421 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 144124992 positive integers (up to 157045421) that are relatively prime to 157045421.
157045421 has 8 divisors, whose sum is 170105880
The reverse of 157045421 is 124540751
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred fifty-seven million forty-five thousand four hundred twenty-one
Scientific notation
1.57045421 × 10^8
Engineering notation
1.57045421 × 10^6
Prime Factorization
13 × 173 × 69829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157045421
Product of the distinct prime numbers
The prime factorization of 157045421 is 13 × 173 × 69829.
Since it has a total of 3 prime factors.
2 , 7 , 49 , 76 , 887 , 601 , 2159 , 62 , 87368 , 8231 , 311756 , 722040 , 9926086 , 4665743 , 39337502 , 6369712 , 378869974 , 246536669 , 3581185391 , 7623266486
n×2
314090842
n×3
471136263
n×4
628181684
n×5
785227105
n÷2
78522710.5
n÷3
52348473.666667
n÷3
39261355.25
n÷5
31409084.2
n2
24663264257067241
n3
3.8732527184854E+24
n4
6.0827660381393E+32
n5
9.5527055330409E+40
2 √n
12531.776450288
3 √n
539.52109002643
4 √n
111.94541728132
5 √n
43.571755266377
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
-157045420
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 157045421 can be divided by 8 positive divisors.
The sum of these divisors (counting 157045421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000101001010101101
3
Ternary
101221111201211002
4
Quaternary
21113011022231
5
Quinary
310200423141
6
Senary
23330010045
8
Octal
1127051255
10
Decimal
157045421
12
Duodecimal
44716925
16
Hexadecimal
95c52ad
20
Vigesimal
291adb1
36
Base36
2li10t
md5
07d156f21facd95becdfe36301710850
sha1
a069562203e94d10f4b63f16b41ea62b91814118
sha256
b103dfc4b61f7516b804ea09cda3e0a4ddbceacef304f9334031770201e1b76d
sha512
e66210d91c6795a8fad9e7752370f817e123d32d2571166d067fcd507ebf42207244a01129c7c6ef6b3742e65052153a21f5b03b2ca35d3995dd40ec8413e57e
ripemd-160
fd4a12de2e3d667447015ae20330e0a2d32fad8b
Diameter
314090842
Circumference
986745481.78703
Area
7.7481929803546E+16
Volume
1.6224243047854E+25
Surface area
3.0992771921418E+17
Circumference
986745481.78703
Perimeter
628181684
Area
24663264257067241
Diagonal
222095764.28679
Surface area
147979585542403446
Volume
3.8732527184854E+24
Space diagonal
272010648.26804
Perimeter
471136263
Area
1.0679506693434E+16
Altitude
136005324.13402
Surface area
1.0679506693434E+16
Volume
4.5646721041504E+23
Height
74031921.428931