21371946 is an even 8-digits composite number following 21371945
and preceding 21371947 . In scientific notation, it is written as 2.1371946 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6958224 positive integers (up to 21371946) that are relatively prime to 21371946.
21371946 has 16 divisors, whose sum is 43738464
The reverse of 21371946 is 64917312
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred seventy-one thousand nine hundred forty-six
Scientific notation
2.1371946 × 10^7
Engineering notation
2.1371946 × 10^6
Prime Factorization
2 × 3 × 43 × 82837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21371946
Product of the distinct prime numbers
The prime factorization of 21371946 is 2 × 3 × 43 × 82837.
Since it has a total of 4 prime factors.
1 , 10 , 37 , 72 , 899 , 561 , 7776 , 474 , 95289 , 87165 , 726514 , 138512 , 6272979 , 8487108 , 84915447 , 18464345 , 782534476 , 82491655 , 8354176843 , 1846728421
n×2
42743892
n×3
64115838
n×4
85487784
n×5
106859730
n÷2
10685973
n÷3
7123982
n÷3
5342986.5
n÷5
4274389.2
n2
456760075826916
n3
9.7618516755288E+21
n4
2.0862976686941E+29
n5
4.4588241115256E+36
2 √n
4622.980207615
3 √n
277.51173718718
4 √n
67.992501113101
5 √n
29.239424041874
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 82837 , 165674 , 248511 , 497022 , 3561991 , 7123982 , 10685973 , 21371946
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
-21371945
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 21371946 can be divided by 16 positive divisors.
The sum of these divisors (counting 21371946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001110000101010
3
Ternary
1111012210210120
4
Quaternary
1101201300222
5
Quinary
20432400241
6
Senary
2042024110
8
Octal
121416052
10
Decimal
21371946
12
Duodecimal
71a8036
16
Hexadecimal
1461c2a
20
Vigesimal
6db9h6
36
Base36
cq2p6
md5
15706b3e4a3c406596b04e3989f103df
sha1
57d279b354e8982a3e85228c1bf0a8230f944ca7
sha256
baf19029f26a0f0afd79abec0f3e76277310e60e3d7b5ce2f56ba572d952af46
sha512
89312f35f111ba86e832ee036e4bcbc359e46c393a1fd98dadd1f4d0cf669e6718bf805f88d893494b25715132236986f7c64e0c3400fac3648c474738c9b8e8
ripemd-160
b5c08e2b9bad0c1a107c3ecabed048ec6ab03588
Diameter
42743892
Circumference
134283897.09304
Area
1.434954098671E+15
Volume
4.0890348679032E+22
Surface area
5.7398163946838E+15
Circumference
134283897.09304
Perimeter
85487784
Area
456760075826916
Diagonal
30224495.887505
Surface area
2740560454961496
Volume
9.7618516755288E+21
Space diagonal
37017296.328618
Perimeter
64115838
Area
1.9778291455031E+14
Altitude
18508648.164309
Surface area
1.9778291455031E+14
Volume
1.1504452527839E+21
Height
10074831.962502