21604087 is an odd 8-digits composite number following 21604086
and preceding 21604088 . In scientific notation, it is written as 2.1604087 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21591360 positive integers (up to 21604087) that are relatively prime to 21604087.
21604087 has 4 divisors, whose sum is 21616816
The reverse of 21604087 is 78040612
Previous prime number is 2017
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million six hundred four thousand eighty-seven
Scientific notation
2.1604087 × 10^7
Engineering notation
2.1604087 × 10^6
Prime Factorization
2017 × 10711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21604087
Product of the distinct prime numbers
The prime factorization of 21604087 is 2017 × 10711.
Since it has a total of 2 prime factors.
9 , 6 , 57 , 61 , 732 , 731 , 571 , 349 , 95557 , 87525 , 427603 , 138360 , 8797489 , 6885058 , 52247376 , 71613917 , 83172822 , 768483427 , 2785512808 , 7214474199
n×2
43208174
n×3
64812261
n×4
86416348
n×5
108020435
n÷2
10802043.5
n÷3
7201362.3333333
n÷3
5401021.75
n÷5
4320817.4
n2
466736575103569
n3
1.008341757462E+22
n4
2.1784303053941E+29
n5
4.7062997841171E+36
2 √n
4648.0196858447
3 √n
278.51289388456
4 √n
68.176386570753
5 √n
29.302669278938
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
-21604086
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 21604087 can be divided by 4 positive divisors.
The sum of these divisors (counting 21604087) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010011010011011110111
3
Ternary
1111122121020101
4
Quaternary
1102122123313
5
Quinary
21012312322
6
Senary
2051014531
8
Octal
122323367
10
Decimal
21604087
12
Duodecimal
729a447
16
Hexadecimal
149a6f7
20
Vigesimal
6f0a47
36
Base36
cv1tj
md5
aed15e0639ada791db7699e7330025ec
sha1
b40157435be180df630c5cca8558cacde3583566
sha256
50efb86bc79b95838a4c4d348afdaf8e29ed2422c86fd62dcde12fbf5fe47f7a
sha512
34a37b922e97a5a1aecbffca44b0a715ee39fdbf76567f02b0bd51766b1f5ad62ac331e2d986da6d78eb656e52387441901a1f86a5a31fad6fbee577add69240
ripemd-160
24915f066c0ffd37ad9423b479d08ee2ee6e5b9e
Diameter
43208174
Circumference
135742482.01343
Area
1.466296195507E+15
Volume
4.2237320767337E+22
Surface area
5.8651847820281E+15
Circumference
135742482.01343
Perimeter
86416348
Area
466736575103569
Diagonal
30552792.838088
Surface area
2800419450621414
Volume
1.008341757462E+22
Space diagonal
37419376.335138
Perimeter
64812261
Area
2.0210286545752E+14
Altitude
18709688.167569
Surface area
2.0210286545752E+14
Volume
1.1883421574248E+21
Height
10184264.279363