21004015 is an odd 8-digits composite number following 21004014
and preceding 21004016 . In scientific notation, it is written as 2.1004015 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 16803208 positive integers (up to 21004015) that are relatively prime to 21004015.
21004015 has 4 divisors, whose sum is 25204824
The reverse of 21004015 is 51040012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million four thousand fifteen
Scientific notation
2.1004015 × 10^7
Engineering notation
2.1004015 × 10^6
Prime Factorization
5 × 4200803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21004015
Product of the distinct prime numbers
The prime factorization of 21004015 is 5 × 4200803.
Since it has a total of 2 prime factors.
9 , 3 , 93 , 30 , 950 , 649 , 9022 , 4517 , 62208 , 65586 , 74873 , 189143 , 8592903 , 3872548 , 89873486 , 4492845 , 661638531 , 532740424 , 6804113935 , 9547601395
n×2
42008030
n×3
63012045
n×4
84016060
n×5
105020075
n÷2
10502007.5
n÷3
7001338.3333333
n÷3
5251003.75
n÷5
4200803
n2
441168646120225
n3
9.2663128606389E+21
n4
1.9462977431955E+29
n5
4.0880066992545E+36
2 √n
4583.0137464337
3 √n
275.90999918525
4 √n
67.697959691808
5 √n
29.138048641446
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
-21004014
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 21004015 can be divided by 4 positive divisors.
The sum of these divisors (counting 21004015) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111111011101111
3
Ternary
1110112010002111
4
Quaternary
1100013323233
5
Quinary
20334112030
6
Senary
2030104451
8
Octal
120077357
10
Decimal
21004015
12
Duodecimal
704b127
16
Hexadecimal
1407eef
20
Vigesimal
6b5a0f
36
Base36
ci6sv
md5
d169fa05031345289ef3af57e293098a
sha1
8e777e78a2023770db449cc72b596cbcae19e3c5
sha256
43f4f8b6870e559699968f072e8c22edf2b356e849caabbd7386f6a108f1351c
sha512
aad4a035b203a4b49c762393b96f17fc191d0ad37fcd00761c4f75dcf6930f6ea2b208714dbd436e3650f94b5289dcb74d4db2b544d3d32bc5ed6072dfc61dd9
ripemd-160
c516c69477ed38eba005f2cba0fe32a01152c596
Diameter
42008030
Circumference
131972118.43978
Area
1.3859721776455E+15
Volume
3.881464054513E+22
Surface area
5.5438887105818E+15
Circumference
131972118.43978
Perimeter
84016060
Area
441168646120225
Diagonal
29704162.877288
Surface area
2647011876721350
Volume
9.2663128606389E+21
Space diagonal
36380021.142939
Perimeter
63012045
Area
1.9103162744665E+14
Altitude
18190010.571469
Surface area
1.9103162744665E+14
Volume
1.0920454433923E+21
Height
9901387.6257626