21879904 is an even 8-digits composite number following 21879903
and preceding 21879905 . In scientific notation, it is written as 2.1879904 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 12 positive divisors.
There are 10939936 positive integers (up to 21879904) that are relatively prime to 21879904.
21879904 has 12 divisors, whose sum is 43076124
The reverse of 21879904 is 40997812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million eight hundred seventy-nine thousand nine hundred four
Scientific notation
2.1879904 × 10^7
Engineering notation
2.1879904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 683747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1367494
Product of the distinct prime numbers
The prime factorization of 21879904 is 2 × 2 × 2 × 2 × 2 × 683747.
Since it has a total of 6 prime factors.
3 , 8 , 61 , 53 , 946 , 968 , 2202 , 7688 , 28152 , 73960 , 147965 , 571811 , 6886010 , 9100181 , 95775918 , 48523982 , 624435286 , 683685736 , 625666011 , 6035824172
n×2
43759808
n×3
65639712
n×4
87519616
n×5
109399520
n÷2
10939952
n÷3
7293301.3333333
n÷3
5469976
n÷5
4375980.8
n2
478730199049216
n3
1.0474570797098E+22
n4
2.291826034817E+29
n5
5.0144933626497E+36
2 √n
4677.5959637403
3 √n
279.69313319907
4 √n
68.392952588263
5 √n
29.377110878847
1 , 2 , 4 , 8 , 16 , 32 , 683747 , 1367494 , 2734988 , 5469976 , 10939952 , 21879904
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
-21879903
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 21879904 can be divided by 12 positive divisors.
The sum of these divisors (counting 21879904) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011011101110001100000
3
Ternary
1112011121120211
4
Quaternary
1103131301200
5
Quinary
21100124104
6
Senary
2100543504
8
Octal
123356140
10
Decimal
21879904
12
Duodecimal
73b1b94
16
Hexadecimal
14ddc60
20
Vigesimal
6gejf4
36
Base36
d0yn4
md5
2e91cce0033973783271415446eccbc5
sha1
fbcb3243c6400bf6872dadddc8630e4bac1eac0d
sha256
129f1ddf5dff7098e60e0a72ea9edb349ae273b0f08f1fb609bc2fa97bb6cd57
sha512
022411ce5ea53ba0c6f8ef36f838a9739383ed7b08d66d8b0bfb33beca90b199f8479d896fa25261a1e014c1817d16093343e275d32862e972c8bbec4b9d4c9c
ripemd-160
1add45cf4e9c97c6bd66306fa9dd795049a5525f
Diameter
43759808
Circumference
137475491.3353
Area
1.5039752763846E+15
Volume
4.3875779554225E+22
Surface area
6.0159011055384E+15
Circumference
137475491.3353
Perimeter
87519616
Area
478730199049216
Diagonal
30942856.980221
Surface area
2872381194295296
Volume
1.0474570797098E+22
Space diagonal
37897105.39273
Perimeter
65639712
Area
2.072962569677E+14
Altitude
18948552.696365
Surface area
2.072962569677E+14
Volume
1.2344400067744E+21
Height
10314285.660074