157428869 is an odd 9-digits composite number following 157428868
and preceding 157428870 . In scientific notation, it is written as 1.57428869 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 145318944 positive integers (up to 157428869) that are relatively prime to 157428869.
157428869 has 4 divisors, whose sum is 169538796
The reverse of 157428869 is 968824751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-seven million four hundred twenty-eight thousand eight hundred sixty-nine
Scientific notation
1.57428869 × 10^8
Engineering notation
1.57428869 × 10^6
Prime Factorization
13 × 12109913
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157428869
Product of the distinct prime numbers
The prime factorization of 157428869 is 13 × 12109913.
Since it has a total of 2 prime factors.
6 , 9 , 82 , 89 , 366 , 207 , 8822 , 7734 , 85786 , 21003 , 509027 , 879455 , 9284073 , 6053485 , 625545 , 72645773 , 799525170 , 33549361 , 7570375856 , 2817824371
n×2
314857738
n×3
472286607
n×4
629715476
n×5
787144345
n÷2
78714434.5
n÷3
52476289.666667
n÷3
39357217.25
n÷5
31485773.8
n2
24783848794619161
n3
3.9016932852039E+24
n4
6.1423916107455E+32
n5
9.6698976423475E+40
2 √n
12547.066151097
3 √n
539.95983811962
4 √n
112.01368733819
5 √n
43.593011803123
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
-157428868
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 157428869 can be divided by 4 positive divisors.
The sum of these divisors (counting 157428869) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100010110010000101
3
Ternary
101222020012210212
4
Quaternary
21120202302011
5
Quinary
310300210434
6
Senary
23342125205
8
Octal
1130426205
10
Decimal
157428869
12
Duodecimal
44880805
16
Hexadecimal
9622c85
20
Vigesimal
293ic39
36
Base36
2lq8w5
md5
aeeed0de416b07b50609bb083c93d902
sha1
e05b67645b840c0d7572470a374324cb61ef7b90
sha256
55a2d0de5abce9dbc7996e90c7d45db8c7dfe281cc57d71909d13d541399ca87
sha512
791afe2cd4bdeea44ac9005f4cea446dd7c627ff2acab7c188793be6fc2bf7f1a2f22e25718acb910eb184ace0ede1ec3dd3c63a62c50ae536f859c1f0757420
ripemd-160
8a13c69f6d43f4632e07929f02ffb6adec32a133
Diameter
314857738
Circumference
989154756.6267
Area
7.7860757300856E+16
Volume
1.6343374615143E+25
Surface area
3.1144302920342E+17
Circumference
989154756.6267
Perimeter
629715476
Area
24783848794619161
Diagonal
222638041.64886
Surface area
148703092767714966
Volume
3.9016932852039E+24
Space diagonal
272674799.6861
Perimeter
472286607
Area
1.0731721329846E+16
Altitude
136337399.84305
Surface area
1.0731721329846E+16
Volume
4.5981896334628E+23
Height
74212680.549619