21582045 is an odd 8-digits composite number following 21582044
and preceding 21582046 . In scientific notation, it is written as 2.1582045 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 11080800 positive integers (up to 21582045) that are relatively prime to 21582045.
21582045 has 16 divisors, whose sum is 32148480
The reverse of 21582045 is 54028512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred eighty-two thousand forty-five
Scientific notation
2.1582045 × 10^7
Engineering notation
2.1582045 × 10^6
Prime Factorization
3 × 4185 × 3 × 3 × 191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2398005
Product of the distinct prime numbers
The prime factorization of 21582045 is 3 × 4185 × 3 × 3 × 191.
Since it has a total of 5 prime factors.
10 , 1 , 27 , 72 , 391 , 16 , 130 , 1426 , 47839 , 62752 , 401445 , 454193 , 6150839 , 7348950 , 68390629 , 8718104 , 195214404 , 720092124 , 9217863452 , 5326381300
n×2
43164090
n×3
64746135
n×4
86328180
n×5
107910225
n÷2
10791022.5
n÷3
7194015
n÷3
5395511.25
n÷5
4316409
n2
465784666382025
n3
1.0052585630167E+22
n4
2.1695535543661E+29
n5
4.682340244024E+36
2 √n
4645.6479634169
3 √n
278.418142211
4 √n
68.158990334489
5 √n
29.296687510856
1 , 3 , 9 , 27 , 191 , 573 , 1719 , 4185 , 5157 , 12555 , 37665 , 112995 , 799335 , 2398005 , 7194015 , 21582045
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21582044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21582045 can be divided by 16 positive divisors.
The sum of these divisors (counting 21582045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010010101000011011101
3
Ternary
1111121111000000
4
Quaternary
1102111003131
5
Quinary
21011111140
6
Senary
2050324513
8
Octal
122250335
10
Decimal
21582045
12
Duodecimal
7289739
16
Hexadecimal
14950dd
20
Vigesimal
6ehf25
36
Base36
cukt9
md5
5e97508ad67fcad62772c99d922ddd94
sha1
16ef62d1120a153fa26a02683faddef37979882c
sha256
cfa1e9288aff6797c055e93c86275dc6dd6e60f146df418f770fc0e7578c271d
sha512
2335a596477f80a11f024577d6ff1fea8127d4ee21fb64286d33597ad279a1b37057c522e730eec99fb9fedd1ff7fc43a30488caadcdcba3978771e60aca50a9
ripemd-160
a34155c3393c0b876719d1d05ebcf31f09507cf2
Diameter
43164090
Circumference
135603988.04289
Area
1.4633056860605E+15
Volume
4.2108172220419E+22
Surface area
5.8532227442422E+15
Circumference
135603988.04289
Perimeter
86328180
Area
465784666382025
Diagonal
30521620.742746
Surface area
2794707998292150
Volume
1.0052585630167E+22
Space diagonal
37381198.471238
Perimeter
64746135
Area
2.0169067689005E+14
Altitude
18690599.235619
Surface area
2.0169067689005E+14
Volume
1.1847085779249E+21
Height
10173873.580915