21342885 is an odd 8-digits composite number following 21342884
and preceding 21342886 . In scientific notation, it is written as 2.1342885 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11348928 positive integers (up to 21342885) that are relatively prime to 21342885.
21342885 has 16 divisors, whose sum is 34250496
The reverse of 21342885 is 58824312
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred forty-two thousand eight hundred eighty-five
Scientific notation
2.1342885 × 10^7
Engineering notation
2.1342885 × 10^6
Prime Factorization
3 × 5 × 367 × 3877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21342885
Product of the distinct prime numbers
The prime factorization of 21342885 is 3 × 5 × 367 × 3877.
Since it has a total of 4 prime factors.
9 , 7 , 42 , 1 , 710 , 494 , 4090 , 803 , 38296 , 70932 , 783728 , 96764 , 1005241 , 3941651 , 39265846 , 2598068 , 612252701 , 168932828 , 4398350642 , 2567856800
n×2
42685770
n×3
64028655
n×4
85371540
n×5
106714425
n÷2
10671442.5
n÷3
7114295
n÷3
5335721.25
n÷5
4268577
n2
455518740123225
n3
9.7220840857949E+21
n4
2.0749732260345E+29
n5
4.4285914941333E+36
2 √n
4619.8360360515
3 √n
277.38589578779
4 √n
67.969375722096
5 √n
29.231467916083
1 , 3 , 5 , 15 , 367 , 1101 , 1835 , 3877 , 5505 , 11631 , 19385 , 58155 , 1422859 , 4268577 , 7114295 , 21342885
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
-21342884
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 21342885 can be divided by 16 positive divisors.
The sum of these divisors (counting 21342885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011010101010100101
3
Ternary
1111011022221020
4
Quaternary
1101122222211
5
Quinary
20430433020
6
Senary
2041241353
8
Octal
121325245
10
Decimal
21342885
12
Duodecimal
7193259
16
Hexadecimal
145aaa5
20
Vigesimal
6d7h45
36
Base36
cpg9x
md5
e8ccc243c2bb2d2639046423c5738f7a
sha1
1c618d9908864404a9fcadae4cf072c9a9c8e3fc
sha256
d77b2360e9288b078987108eb38c8e10e82793f89dfce49bd5a64b071ad73541
sha512
9b9b9636c9e05e3b3d0dfab00aab879776cffc3cac53be237e7601a00294c0f81c3737e1b98aab83750a1ca937cc17c7408a32f7a9efed5d6061648c2e43ebde
ripemd-160
fd85255032293a527189139a0fb1c3f605673824
Diameter
42685770
Circumference
134101301.44482
Area
1.4310543275436E+15
Volume
4.0723770588687E+22
Surface area
5.7242173101744E+15
Circumference
134101301.44482
Perimeter
85371540
Area
455518740123225
Diagonal
30183397.427169
Surface area
2733112440739350
Volume
9.7220840857949E+21
Space diagonal
36966961.2001
Perimeter
64028655
Area
1.972454004233E+14
Altitude
18483480.60005
Surface area
1.972454004233E+14
Volume
1.1457585973886E+21
Height
10061132.475723