157021790 is an even 9-digits composite number following 157021789
and preceding 157021791 . In scientific notation, it is written as 1.57021790 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 62808712 positive integers (up to 157021790) that are relatively prime to 157021790.
157021790 has 8 divisors, whose sum is 282639240
The reverse of 157021790 is 097120751
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-seven million twenty-one thousand seven hundred ninety
Scientific notation
1.57021790 × 10^8
Engineering notation
1.57021790 × 10^6
Prime Factorization
2 × 5 × 15702179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157021790
Product of the distinct prime numbers
The prime factorization of 157021790 is 2 × 5 × 15702179.
Since it has a total of 3 prime factors.
5 , 6 , 5 , 29 , 128 , 335 , 4906 , 3289 , 93607 , 32511 , 778360 , 599638 , 9274333 , 8825822 , 73392436 , 2816557 , 64907775 , 204705914 , 9949485965 , 9586017374
n×2
314043580
n×3
471065370
n×4
628087160
n×5
785108950
n÷2
78510895
n÷3
52340596.666667
n÷3
39255447.5
n÷5
31404358
n2
24655842534804100
n3
3.8715045287731E+24
n4
6.0791057110106E+32
n5
9.545520603421E+40
2 √n
12530.833571634
3 √n
539.49402765953
4 √n
111.94120587002
5 √n
43.570443918207
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
-157021789
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 157021790 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021790) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111011001011110
3
Ternary
101221110112101212
4
Quaternary
21112333121132
5
Quinary
310144144130
6
Senary
23325304422
8
Octal
1126773136
10
Decimal
157021790
12
Duodecimal
44705112
16
Hexadecimal
95bf65e
20
Vigesimal
2917e9a
36
Base36
2lhise
md5
a18d967cf9a77accea622a3f9ea56158
sha1
fcb4e0949cac96f75684fcb3a70ff0d3c0c5e5ab
sha256
9070ace7722937506005b74c7b55f34873ed4298ca35d3785693952daa01c43b
sha512
3294908f85d578fa87536ea30c255b9f959553c636a1f436c7d470dfab03462982fe73f6cbf5a0525b000cb56989cae151fd6ddd5370ce90be3727637e4cd7da
ripemd-160
64af4e3d0c6619937044842b5fab291142b5ec59
Diameter
314043580
Circumference
986597003.83504
Area
7.7458613775407E+16
Volume
1.6216920247911E+25
Surface area
3.0983445510163E+17
Circumference
986597003.83504
Perimeter
628087160
Area
24655842534804100
Diagonal
222062345.0061
Surface area
147935055208824600
Volume
3.8715045287731E+24
Space diagonal
271969718.17541
Perimeter
471065370
Area
1.0676292993425E+16
Altitude
135984859.08771
Surface area
1.0676292993425E+16
Volume
4.5626118428165E+23
Height
74020781.6687