20251009 is an odd 8-digits composite number following 20251008
and preceding 20251010 . In scientific notation, it is written as 2.0251009 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20148016 positive integers (up to 20251009) that are relatively prime to 20251009.
20251009 has 4 divisors, whose sum is 20354004
The reverse of 20251009 is 90015202
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred fifty-one thousand nine
Scientific notation
2.0251009 × 10^7
Engineering notation
2.0251009 × 10^6
Prime Factorization
197 × 102797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20251009
Product of the distinct prime numbers
The prime factorization of 20251009 is 197 × 102797.
Since it has a total of 2 prime factors.
7 , 2 , 62 , 22 , 804 , 626 , 861 , 1582 , 75552 , 92268 , 834484 , 663917 , 5256845 , 6593373 , 78523813 , 76790529 , 107039691 , 806575959 , 4879211221 , 4256796617
n×2
40502018
n×3
60753027
n×4
81004036
n×5
101255045
n÷2
10125504.5
n÷3
6750336.3333333
n÷3
5062752.25
n÷5
4050201.8
n2
410103365518081
n3
8.3050069460369E+21
n4
1.6818477040926E+29
n5
3.4059112992208E+36
2 √n
4500.1121097146
3 √n
272.5726159476
4 √n
67.082874936265
5 √n
28.926063372182
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
-20251008
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 20251009 can be divided by 4 positive divisors.
The sum of these divisors (counting 20251009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101010000000110000001
3
Ternary
1102002212011101
4
Quaternary
1031100012001
5
Quinary
20141013014
6
Senary
2002014401
8
Octal
115200601
10
Decimal
20251009
12
Duodecimal
6947401
16
Hexadecimal
1350181
20
Vigesimal
66b7a9
36
Base36
c21s1
md5
da3dd80b52e131fd0e0b02ca78c6bc89
sha1
210ad00d824af0a06ae63ff9d3ca524c9531260c
sha256
4288f288474f0f9229461140ac5bd3feda4be9b082cbcdb43699f9cee865aaa0
sha512
e299c6d262769d0d1807b30d728db27b32ffa84817c3ad0f8b30ec5c026c5f26be387d4d09cf0ed5b5af6240a0af98f4b214260e26c37d8d6865a0ca8cafee94
ripemd-160
9dbee0a331733d98558e87eb3603c623c247ca24
Diameter
40502018
Circumference
127240842.20436
Area
1.2883777203241E+15
Volume
3.4787931746243E+22
Surface area
5.1535108812962E+15
Circumference
127240842.20436
Perimeter
81004036
Area
410103365518081
Diagonal
28639251.57954
Surface area
2460620193108486
Volume
8.3050069460369E+21
Space diagonal
35075776.492535
Perimeter
60753027
Area
1.7757996635808E+14
Altitude
17537888.246267
Surface area
1.7757996635808E+14
Volume
9.7875445489068E+20
Height
9546417.1931799