21909392 is an even 8-digits composite number following 21909391
and preceding 21909393 . In scientific notation, it is written as 2.1909392 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 10 positive divisors.
There are 10954688 positive integers (up to 21909392) that are relatively prime to 21909392.
21909392 has 10 divisors, whose sum is 42449478
The reverse of 21909392 is 29390912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million nine hundred nine thousand three hundred ninety-two
Scientific notation
2.1909392 × 10^7
Engineering notation
2.1909392 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1369337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2738674
Product of the distinct prime numbers
The prime factorization of 21909392 is 2 × 2 × 2 × 2 × 1369337.
Since it has a total of 5 prime factors.
6 , 1 , 93 , 23 , 341 , 138 , 1949 , 3505 , 56556 , 65349 , 116955 , 828904 , 8668624 , 4905200 , 14814438 , 50690869 , 60630861 , 693402392 , 5146675802 , 810843964
n×2
43818784
n×3
65728176
n×4
87637568
n×5
109546960
n÷2
10954696
n÷3
7303130.6666667
n÷3
5477348
n÷5
4381878.4
n2
480021457809664
n3
1.0516978287563E+22
n4
2.3042059995772E+29
n5
5.0483752493488E+36
2 √n
4680.7469489388
3 √n
279.81872620492
4 √n
68.415984601106
5 √n
29.385025041776
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909391
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909392 can be divided by 10 positive divisors.
The sum of these divisors (counting 21909392) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010011100100111110010000
3
Ternary
1112020010000222
4
Quaternary
1103210332100
5
Quinary
21102100032
6
Senary
2101332212
8
Octal
123447620
10
Decimal
21909392
12
Duodecimal
7407068
16
Hexadecimal
14e4f90
20
Vigesimal
6gid9c
36
Base36
d1le8
md5
451317ca17f56ef6e4b25199d3f128c6
sha1
70f6688752215ffb23f64c7068c514850b64e417
sha256
6b7be6f3a29b6679cf4dd5ea3e6765c4e7e60155f617b835a3dc89056bb0624c
sha512
e9a9a0e78af3fc6a52035e50d69845f210ea0fc5f0f2e5c4bc3a14bddfb07d60a5e7d514ddfb16b1e5c91a26ae53ecd77ee26b7d9df8e99f7bfedb71be8080f3
ripemd-160
9418e5db65f0f861f4cfdd5482c4d6ac430b6268
Diameter
43818784
Circumference
137660769.90364
Area
1.5080318854203E+15
Volume
4.4053415634897E+22
Surface area
6.0321275416812E+15
Circumference
137660769.90364
Perimeter
87637568
Area
480021457809664
Diagonal
30984559.309749
Surface area
2880128746857984
Volume
1.0516978287563E+22
Space diagonal
37948180.106943
Perimeter
65728176
Area
2.078553884124E+14
Altitude
18974090.053472
Surface area
2.078553884124E+14
Volume
1.2394377774546E+21
Height
10328186.436583