20081025 is an odd 8-digits composite number following 20081024
and preceding 20081026 . In scientific notation, it is written as 2.0081025 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 36 positive divisors.
There are 10360800 positive integers (up to 20081025) that are relatively prime to 20081025.
20081025 has 36 divisors, whose sum is 37140480
The reverse of 20081025 is 52018002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million eighty-one thousand twenty-five
Scientific notation
2.0081025 × 10^7
Engineering notation
2.0081025 × 10^6
Prime Factorization
5 × 3 × 3 × 31 × 5 × 2879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1338735
Product of the distinct prime numbers
The prime factorization of 20081025 is 5 × 3 × 3 × 31 × 5 × 2879.
Since it has a total of 6 prime factors.
6 , 1 , 73 , 16 , 40 , 837 , 3739 , 9979 , 18666 , 66231 , 211826 , 809431 , 270538 , 729288 , 13818340 , 22110478 , 205288659 , 275186620 , 6426065585 , 849482429
n×2
40162050
n×3
60243075
n×4
80324100
n×5
100405125
n÷2
10040512.5
n÷3
6693675
n÷3
5020256.25
n÷5
4016205
n2
403247565050625
n3
8.0976244349707E+21
n4
1.6260859871926E+29
n5
3.2653473360964E+36
2 √n
4481.1856689943
3 √n
271.80782724155
4 √n
66.941658696169
5 √n
28.877339276358
1 , 3 , 5 , 9 , 15 , 25 , 31 , 45 , 75 , 93 , 155 , 225 , 279 , 465 , 775 , 1395 , 2325 , 2879 , 6975 , 8637 , 14395 , 25911 , 43185 , 71975 , 89249 , 129555 , 215925 , 267747 , 446245 , 647775 , 803241 , 1338735 , 2231225 , 4016205 , 6693675 , 20081025
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081025 can be divided by 36 positive divisors.
The sum of these divisors (counting 20081025) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100100110100110000001
3
Ternary
1101210012222200
4
Quaternary
1030212212001
5
Quinary
20120043100
6
Senary
1554223413
8
Octal
114464601
10
Decimal
20081025
12
Duodecimal
6884b69
16
Hexadecimal
1326981
20
Vigesimal
65a2b5
36
Base36
byem9
md5
eccd7517f08b6177c190fd7acdaff7d1
sha1
96eab44963e8899cfaa829ea8e50efd393b634d3
sha256
2898b365254f68d89c730864fb6fa0b8091d800beef6166676c1ecabf15fed40
sha512
9a0a24aaf4ca0ee3a2ea16c3d507da658290f8b6e2f30a0812e7624da54a065cb3e85eb402af6fb3a43ec9cb35a64ee9bdee83e200d601160a4d9a28f725c6ed
ripemd-160
3c9768e2b1524996713ed7dd4b3f6e86505a66a6
Diameter
40162050
Circumference
126172801.23311
Area
1.266839587941E+15
Volume
3.3919249915244E+22
Surface area
5.0673583517641E+15
Circumference
126172801.23311
Perimeter
80324100
Area
403247565050625
Diagonal
28398857.901353
Surface area
2419485390303750
Volume
8.0976244349707E+21
Space diagonal
34781355.568061
Perimeter
60243075
Area
1.7461131767403E+14
Altitude
17390677.78403
Surface area
1.7461131767403E+14
Volume
9.5431419157828E+20
Height
9466285.9671177