21931382 is an even 8-digits composite number following 21931381
and preceding 21931383 . In scientific notation, it is written as 2.1931382 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9968800 positive integers (up to 21931382) that are relatively prime to 21931382.
21931382 has 8 divisors, whose sum is 35887752
The reverse of 21931382 is 28313912
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million nine hundred thirty-one thousand three hundred eighty-two
Scientific notation
2.1931382 × 10^7
Engineering notation
2.1931382 × 10^6
Prime Factorization
2 × 11 × 996881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21931382
Product of the distinct prime numbers
The prime factorization of 21931382 is 2 × 11 × 996881.
Since it has a total of 3 prime factors.
6 , 8 , 81 , 67 , 554 , 571 , 2274 , 7708 , 15185 , 42459 , 444363 , 800704 , 672646 , 7904163 , 51850528 , 14812153 , 662310464 , 966963678 , 7718707956 , 4276109590
n×2
43862764
n×3
65794146
n×4
87725528
n×5
109656910
n÷2
10965691
n÷3
7310460.6666667
n÷3
5482845.5
n÷5
4386276.4
n2
480985516429924
n3
1.0548677097292E+22
n4
2.3134706701536E+29
n5
5.0737609012935E+36
2 √n
4683.0953438938
3 √n
279.91231097622
4 √n
68.43314506797
5 √n
29.390921302477
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931381
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931382 can be divided by 8 positive divisors.
The sum of these divisors (counting 21931382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011101010010101110110
3
Ternary
1112021020012102
4
Quaternary
1103222111312
5
Quinary
21103301012
6
Senary
2102022102
8
Octal
123522566
10
Decimal
21931382
12
Duodecimal
7417932
16
Hexadecimal
14ea576
20
Vigesimal
6h1892
36
Base36
d22d2
md5
230d7b15dd4f56ef0916a6d3c18ea8f8
sha1
62cb8cc191c050e6e586a1060f15c192f46993dc
sha256
8642cd602cb453ad1b309a6e9721f0678ff102eef207edf8859bf54a91570be4
sha512
2a89b7bb2183f967f9e48a22a58be693610ece15564f697b79317b688f1aaab0b5675b6505a272c32265e7caf1f4a8429615b691d6be6cf309823964c4fb21e8
ripemd-160
91ada8713602ff99e0a1b877780920f914753964
Diameter
43862764
Circumference
137798937.14854
Area
1.5110605648993E+15
Volume
4.4186195298591E+22
Surface area
6.0442422595974E+15
Circumference
137798937.14854
Perimeter
87725528
Area
480985516429924
Diagonal
31015657.865985
Surface area
2885913098579544
Volume
1.0548677097292E+22
Space diagonal
37986267.904202
Perimeter
65794146
Area
2.0827283804035E+14
Altitude
18993133.952101
Surface area
2.0827283804035E+14
Volume
1.2431735180071E+21
Height
10338552.621995