157428309 is an odd 9-digits composite number following 157428308
and preceding 157428310 . In scientific notation, it is written as 1.57428309 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 104952204 positive integers (up to 157428309) that are relatively prime to 157428309.
157428309 has 4 divisors, whose sum is 209904416
The reverse of 157428309 is 903824751
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million four hundred twenty-eight thousand three hundred nine
Scientific notation
1.57428309 × 10^8
Engineering notation
1.57428309 × 10^6
Prime Factorization
3 × 52476103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157428309
Product of the distinct prime numbers
The prime factorization of 157428309 is 3 × 52476103.
Since it has a total of 2 prime factors.
8 , 5 , 69 , 28 , 219 , 50 , 1447 , 3662 , 80525 , 49246 , 142760 , 580151 , 5510731 , 3089307 , 4073362 , 7441214 , 907682903 , 442499454 , 1543918866 , 3015601473
n×2
314856618
n×3
472284927
n×4
629713236
n×5
787141545
n÷2
78714154.5
n÷3
52476103
n÷3
39357077.25
n÷5
31485661.8
n2
24783672474599481
n3
3.901651648486E+24
n4
6.1423042132822E+32
n5
9.6697256566059E+40
2 √n
12547.043835103
3 √n
539.95919787731
4 √n
112.01358772534
5 √n
43.592980789597
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
-157428308
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 157428309 can be divided by 4 positive divisors.
The sum of these divisors (counting 157428309) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100010101001010101
3
Ternary
101222020012001010
4
Quaternary
21120202221111
5
Quinary
310300201214
6
Senary
23342122433
8
Octal
1130425125
10
Decimal
157428309
12
Duodecimal
44880419
16
Hexadecimal
9622a55
20
Vigesimal
293iaf9
36
Base36
2lq8gl
md5
a5383295192965622296a28cb8306059
sha1
8e41d00fd715f30629996d1eee5b49d8804dc2de
sha256
c777774e2bfd567129de98563bdc6a152f35a931c121fcc51750796b8828c155
sha512
862198d62f1d636d61f05c5fe65688cdbe7ca5791c585dbb95bd754581f40faa16ce275bd753faa5ab0caf6bc215e0b8b41a9a49acfe82ebcc79bc586f0fd36e
ripemd-160
3a4f8d95abc56618cb46fddef92e74ce5338cfb8
Diameter
314856618
Circumference
989151238.04293
Area
7.7860203375177E+16
Volume
1.6343200207667E+25
Surface area
3.1144081350071E+17
Circumference
989151238.04293
Perimeter
629713236
Area
24783672474599481
Diagonal
222637249.68926
Surface area
148702034847596886
Volume
3.901651648486E+24
Space diagonal
272673829.73765
Perimeter
472284927
Area
1.0731644981038E+16
Altitude
136336914.86883
Surface area
1.0731644981038E+16
Volume
4.5981405641203E+23
Height
74212416.563087