21279963 is an odd 8-digits composite number following 21279962
and preceding 21279964 . In scientific notation, it is written as 2.1279963 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 14186640 positive integers (up to 21279963) that are relatively prime to 21279963.
21279963 has 4 divisors, whose sum is 28373288
The reverse of 21279963 is 36997212
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million two hundred seventy-nine thousand nine hundred sixty-three
Scientific notation
2.1279963 × 10^7
Engineering notation
2.1279963 × 10^6
Prime Factorization
3 × 7093321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21279963
Product of the distinct prime numbers
The prime factorization of 21279963 is 3 × 7093321.
Since it has a total of 2 prime factors.
7 , 9 , 92 , 66 , 406 , 721 , 3683 , 3049 , 27841 , 9664 , 281682 , 228664 , 8253035 , 2549159 , 88318907 , 76374867 , 535754279 , 354640292 , 3777916863 , 7616987662
n×2
42559926
n×3
63839889
n×4
85119852
n×5
106399815
n÷2
10639981.5
n÷3
7093321
n÷3
5319990.75
n÷5
4255992.6
n2
452836825281369
n3
9.636350887025E+21
n4
2.0506119033091E+29
n5
4.3636945429777E+36
2 √n
4613.021027483
3 √n
277.11303583949
4 √n
67.91922428505
5 √n
29.214211811449
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21279962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21279963 can be divided by 4 positive divisors.
The sum of these divisors (counting 21279963) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001011010011011011
3
Ternary
1111001010121210
4
Quaternary
1101023103123
5
Quinary
20421424323
6
Senary
2040034203
8
Octal
121132333
10
Decimal
21279963
12
Duodecimal
7162963
16
Hexadecimal
144b4db
20
Vigesimal
6cjji3
36
Base36
co3q3
md5
79230233277a5ebab405ef377d2d8389
sha1
4f602a24f8e6df29277504b96bdd3bc4cce6d326
sha256
90e278203f420734d6834672c0daea73bded7cb93d0f38db783fdc8ff2ae207b
sha512
d92bec7525dfbefe2defb5ca0af57400b6ca2a4c04d6c409c45cd733f0e03eeb3f4c500746a1a6f75035e4d78cf43b80c9b9e8e4322827daf0f61f4782c79b37
ripemd-160
8e8147607441130e23ddb56dbbb0da359a0b6cd7
Diameter
42559926
Circumference
133705950.85893
Area
1.4226288435789E+15
Volume
4.0364652205455E+22
Surface area
5.6905153743155E+15
Circumference
133705950.85893
Perimeter
85119852
Area
452836825281369
Diagonal
30094412.281398
Surface area
2717020951688214
Volume
9.636350887025E+21
Space diagonal
36857977.099186
Perimeter
63839889
Area
1.9608409723138E+14
Altitude
18428988.549593
Surface area
1.9608409723138E+14
Volume
1.1356548430181E+21
Height
10031470.760466