21356742 is an even 8-digits composite number following 21356741
and preceding 21356743 . In scientific notation, it is written as 2.1356742 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6185520 positive integers (up to 21356742) that are relatively prime to 21356742.
21356742 has 32 divisors, whose sum is 46817280
The reverse of 21356742 is 24765312
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred fifty-six thousand seven hundred forty-two
Scientific notation
2.1356742 × 10^7
Engineering notation
2.1356742 × 10^6
Prime Factorization
2 × 3 × 253 × 11 × 1279
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21356742
Product of the distinct prime numbers
The prime factorization of 21356742 is 2 × 3 × 253 × 11 × 1279.
Since it has a total of 5 prime factors.
3 , 9 , 98 , 43 , 499 , 541 , 4507 , 4248 , 61524 , 44135 , 19002 , 154192 , 5807607 , 675438 , 7771909 , 54352388 , 484630816 , 989300296 , 5901500537 , 5457763792
n×2
42713484
n×3
64070226
n×4
85426968
n×5
106783710
n÷2
10678371
n÷3
7118914
n÷3
5339185.5
n÷5
4271348.4
n2
456110428854564
n3
9.7410327525563E+21
n4
2.0803672330989E+29
n5
4.4429866262548E+36
2 √n
4621.3355212536
3 √n
277.44591430296
4 √n
67.980405421368
5 √n
29.235262672946
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 253 , 506 , 759 , 1279 , 1518 , 2558 , 2783 , 3837 , 5566 , 7674 , 8349 , 14069 , 16698 , 28138 , 42207 , 84414 , 323587 , 647174 , 970761 , 1941522 , 3559457 , 7118914 , 10678371 , 21356742
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356742 can be divided by 32 positive divisors.
The sum of these divisors (counting 21356742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001011110000011000110
3
Ternary
1111012000221110
4
Quaternary
1101132003012
5
Quinary
20431403432
6
Senary
2041425450
8
Octal
121360306
10
Decimal
21356742
12
Duodecimal
719b286
16
Hexadecimal
145e0c6
20
Vigesimal
6d9bh2
36
Base36
cpqyu
md5
28ca813d3508d8dc21523f706e40e9d2
sha1
9f70834e80e695b47d0076d6a33e0ece0fcde177
sha256
cd87e5b0c30c81eb51d9b0e6cccc96a6feda098d2f27ebde81589b342cd28b61
sha512
318be373fc359a46f70ac9f07d113127ad3c0c9986657cfc37024408ff74677d9fb5d03493f101f54f82a6818cdb664ff13c5eff8c3d430c6ed06b0f8f15c968
ripemd-160
4229388562fd8a76a59aad65db624c5f6efadf31
Diameter
42713484
Circumference
134188367.54363
Area
1.4329131725152E+15
Volume
4.0803142578411E+22
Surface area
5.7316526900608E+15
Circumference
134188367.54363
Perimeter
85426968
Area
456110428854564
Diagonal
30202994.184503
Surface area
2736662573127384
Volume
9.7410327525563E+21
Space diagonal
36990962.22814
Perimeter
64070226
Area
1.9750160915953E+14
Altitude
18495481.11407
Surface area
1.9750160915953E+14
Volume
1.1479917191821E+21
Height
10067664.728168