21931474 is an even 8-digits composite number following 21931473
and preceding 21931475 . In scientific notation, it is written as 2.1931474 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 10544800 positive integers (up to 21931474) that are relatively prime to 21931474.
21931474 has 16 divisors, whose sum is 34183296
The reverse of 21931474 is 47413912
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million nine hundred thirty-one thousand four hundred seventy-four
Scientific notation
2.1931474 × 10^7
Engineering notation
2.1931474 × 10^6
Prime Factorization
2 × 41 × 71 × 3767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931474
Product of the distinct prime numbers
The prime factorization of 21931474 is 2 × 41 × 71 × 3767.
Since it has a total of 4 prime factors.
10 , 5 , 81 , 42 , 405 , 237 , 8572 , 1221 , 97507 , 43198 , 44474 , 429240 , 2058886 , 2741660 , 56327170 , 26877421 , 626760604 , 402439441 , 876148512 , 2946784961
n×2
43862948
n×3
65794422
n×4
87725896
n×5
109657370
n÷2
10965737
n÷3
7310491.3333333
n÷3
5482868.5
n÷5
4386294.8
n2
480989551812676
n3
1.0548809849851E+22
n4
2.3135094895296E+29
n5
5.0738673218371E+36
2 √n
4683.1051664467
3 √n
279.91270237725
4 √n
68.433216835443
5 √n
29.390945960843
1 , 2 , 41 , 71 , 82 , 142 , 2911 , 3767 , 5822 , 7534 , 154447 , 267457 , 308894 , 534914 , 10965737 , 21931474
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
-21931473
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 21931474 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931474) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010010111010010
3
Ternary
1112021020022211
4
Quaternary
1103222113102
5
Quinary
21103301344
6
Senary
2102022334
8
Octal
123522722
10
Decimal
21931474
12
Duodecimal
74179aa
16
Hexadecimal
14ea5d2
20
Vigesimal
6h18de
36
Base36
d22fm
md5
3b629b858e7b9cbbceecef7896fea8de
sha1
12c938341730fac593d47bb66e2598e046e17ef1
sha256
2a96eac74b300000372ce6775c02b8213f67602965e0d2486abf43e0e1ce5ec5
sha512
983ebc400bb813e7b7b6f67d2120d92a212e1a742577030c7246d4f49b6e55b8f360fb7cb0eb45a110e6d6b7454214c22ad45f860575467d626b3db2a23a599f
ripemd-160
2fc0d7301e589a72ebe8a2cfcf22e6d53203a645
Diameter
43862948
Circumference
137799515.20159
Area
1.5110732424282E+15
Volume
4.4186751371212E+22
Surface area
6.0442929697126E+15
Circumference
137799515.20159
Perimeter
87725896
Area
480989551812676
Diagonal
31015787.973633
Surface area
2885937310876056
Volume
1.0548809849851E+22
Space diagonal
37986427.252876
Perimeter
65794422
Area
2.0827458541233E+14
Altitude
18993213.626438
Surface area
2.0827458541233E+14
Volume
1.2431891630462E+21
Height
10338595.991211