20081525 is an odd 8-digits composite number following 20081524
and preceding 20081526 . In scientific notation, it is written as 2.0081525 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 16020480 positive integers (up to 20081525) that are relatively prime to 20081525.
20081525 has 12 divisors, whose sum is 24970500
The reverse of 20081525 is 52518002
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eighty-one thousand five hundred twenty-five
Scientific notation
2.0081525 × 10^7
Engineering notation
2.0081525 × 10^6
Prime Factorization
5 × 5 × 449 × 1789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4016305
Product of the distinct prime numbers
The prime factorization of 20081525 is 5 × 5 × 449 × 1789.
Since it has a total of 4 prime factors.
4 , 8 , 6 , 47 , 270 , 587 , 1295 , 7862 , 60071 , 94940 , 713387 , 489518 , 1496180 , 2750196 , 43581178 , 57914136 , 317500918 , 5519263 , 3064778755 , 2062353886
n×2
40163050
n×3
60244575
n×4
80326100
n×5
100407625
n÷2
10040762.5
n÷3
6693841.6666667
n÷3
5020381.25
n÷5
4016305
n2
403267646325625
n3
8.0982293213792E+21
n4
1.6262479457301E+29
n5
3.2657538778378E+36
2 √n
4481.2414574535
3 √n
271.81008314873
4 √n
66.9420753895
5 √n
28.877483079036
1 , 5 , 25 , 449 , 1789 , 2245 , 8945 , 11225 , 44725 , 803261 , 4016305 , 20081525
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081524
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081525 can be divided by 12 positive divisors.
The sum of these divisors (counting 20081525) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110101101110101
3
Ternary
1101210020200012
4
Quaternary
1030212231311
5
Quinary
20120102100
6
Senary
1554230005
8
Octal
114465565
10
Decimal
20081525
12
Duodecimal
6885305
16
Hexadecimal
1326b75
20
Vigesimal
65a3g5
36
Base36
byf05
md5
a529bc8cf9261bcb13e34f6459c0cc1d
sha1
f4ae29acadc943476f36d76c2c664a7eb253cf23
sha256
c67858c026b30bb0833368e9cf5cae7c6d3956b8760b5c4812d6aae809bccc2b
sha512
3a8ee22dd2f44513644f5c817e8aafaac46e7c41fe18c152489db0fa87aed02614d7887eba393878e8a05db800d90f14d8fa38a6b8b8c21ca35c7e1fbbd234f6
ripemd-160
5f789af8f7bdfd35d4b4d267e6ae56eba6e79f6e
Diameter
40163050
Circumference
126175942.82576
Area
1.266902675127E+15
Volume
3.3921783657507E+22
Surface area
5.0676107005081E+15
Circumference
126175942.82576
Perimeter
80326100
Area
403267646325625
Diagonal
28399565.008134
Surface area
2419605877953750
Volume
8.0982293213792E+21
Space diagonal
34782221.593465
Perimeter
60244575
Area
1.7462001312117E+14
Altitude
17391110.796732
Surface area
1.7462001312117E+14
Volume
9.5438547812516E+20
Height
9466521.6693781