20157009 is an odd 8-digits composite number following 20157008
and preceding 20157010 . In scientific notation, it is written as 2.0157009 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13438004 positive integers (up to 20157009) that are relatively prime to 20157009.
20157009 has 4 divisors, whose sum is 26876016
The reverse of 20157009 is 90075102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred fifty-seven thousand nine
Scientific notation
2.0157009 × 10^7
Engineering notation
2.0157009 × 10^6
Prime Factorization
3 × 6719003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20157009
Product of the distinct prime numbers
The prime factorization of 20157009 is 3 × 6719003.
Since it has a total of 2 prime factors.
5 , 2 , 64 , 50 , 128 , 910 , 2774 , 4492 , 56686 , 42580 , 388355 , 121938 , 2017905 , 3213939 , 54204009 , 9766922 , 21565233 , 735178116 , 3915896675 , 7388037145
n×2
40314018
n×3
60471027
n×4
80628036
n×5
100785045
n÷2
10078504.5
n÷3
6719003
n÷3
5039252.25
n÷5
4031401.8
n2
406305011826081
n3
8.1898937801234E+21
n4
1.6508376263499E+29
n5
3.3275948891874E+36
2 √n
4489.6557774511
3 √n
272.15022429022
4 √n
67.004893682858
5 √n
28.899159897727
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
-20157008
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 20157009 can be divided by 4 positive divisors.
The sum of these divisors (counting 20157009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001001001010001
3
Ternary
1101221002012220
4
Quaternary
1030321021101
5
Quinary
20130011014
6
Senary
2000011253
8
Octal
114711121
10
Decimal
20157009
12
Duodecimal
6900b29
16
Hexadecimal
1339251
20
Vigesimal
65jca9
36
Base36
c018x
md5
029a7f298a4587ffb11f2397e420180e
sha1
e9873a26b051382257d70bd57d4358d2e84efe52
sha256
4ba15444589c4713fb0d5b252f100f0e78bfacff7052066c93868e567718595b
sha512
8fdf19b5cfe0deb9c0371431e5e4d45af333d3c7f9907e10bbbc86495701e7d5321cb4159b884238a77831fa4fa91fa25bd619725584146efd3d7576c0042712
ripemd-160
3ad06d08d600c21c1b866a32ee190d08cc5d42a5
Diameter
40314018
Circumference
126650222.78549
Area
1.2764448402695E+15
Volume
3.4305746844422E+22
Surface area
5.1057793610781E+15
Circumference
126650222.78549
Perimeter
80628036
Area
406305011826081
Diagonal
28506315.504677
Surface area
2437830070956486
Volume
8.1898937801234E+21
Space diagonal
34912963.716623
Perimeter
60471027
Area
1.7593523096316E+14
Altitude
17456481.858312
Surface area
1.7593523096316E+14
Volume
9.6518823818713E+20
Height
9502105.1682255