21471844 is an even 8-digits composite number following 21471843
and preceding 21471845 . In scientific notation, it is written as 2.1471844 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 10735920 positive integers (up to 21471844) that are relatively prime to 21471844.
21471844 has 6 divisors, whose sum is 37575734
The reverse of 21471844 is 44817412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred seventy-one thousand eight hundred forty-four
Scientific notation
2.1471844 × 10^7
Engineering notation
2.1471844 × 10^6
Prime Factorization
2 × 2 × 5367961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10735922
Product of the distinct prime numbers
The prime factorization of 21471844 is 2 × 2 × 5367961.
Since it has a total of 3 prime factors.
7 , 6 , 41 , 92 , 711 , 680 , 3977 , 3423 , 68800 , 97483 , 78153 , 466591 , 8235080 , 1162672 , 52927461 , 17497259 , 220840724 , 383984734 , 8621815398 , 8982457632
n×2
42943688
n×3
64415532
n×4
85887376
n×5
107359220
n÷2
10735922
n÷3
7157281.3333333
n÷3
5367961
n÷5
4294368.8
n2
461040084760336
n3
9.8993807777207E+21
n4
2.1255795975582E+29
n5
4.5640113528352E+36
2 √n
4633.7721135162
3 √n
277.94345243241
4 √n
68.071815852937
5 √n
29.266707602489
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21471843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21471844 can be divided by 6 positive divisors.
The sum of these divisors (counting 21471844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111010001001100100
3
Ternary
1111101212211111
4
Quaternary
1101322021210
5
Quinary
20444044334
6
Senary
2044114404
8
Octal
121721144
10
Decimal
21471844
12
Duodecimal
7235a04
16
Hexadecimal
147a264
20
Vigesimal
6e3jc4
36
Base36
cs7s4
md5
6c576ee2825a3a7deae3d5f968250743
sha1
e73089c4acc573b5c94957a3093ecfebdaf026cf
sha256
e9f6310b36524349d68a061177ad63888363e825429d78ccda7e68f3a7d26863
sha512
4e60f8d00c1d0ded6c6daafa749783e5e0857ee9bedf15d65e3883d76ebb8db4e39b4a95cb01812def93451ad39b9704166129e8a7ce130cbe66e4fc4c3557c4
ripemd-160
2f1b7f8c2d4f4a0082d1bbd38c606ba411d9a69b
Diameter
42943688
Circumference
134911574.73885
Area
1.4484001432935E+15
Volume
4.1466429235167E+22
Surface area
5.7936005731739E+15
Circumference
134911574.73885
Perimeter
85887376
Area
461040084760336
Diagonal
30365772.993959
Surface area
2766240508562016
Volume
9.8993807777207E+21
Space diagonal
37190324.740193
Perimeter
64415532
Area
1.9963621278269E+14
Altitude
18595162.370096
Surface area
1.9963621278269E+14
Volume
1.1666532129123E+21
Height
10121924.33132