21282079 is an odd 8-digits composite number following 21282078
and preceding 21282080 . In scientific notation, it is written as 2.1282079 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 15846912 positive integers (up to 21282079) that are relatively prime to 21282079.
21282079 has 16 divisors, whose sum is 27736128
The reverse of 21282079 is 97028212
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred eighty-two thousand seventy-nine
Scientific notation
2.1282079 × 10^7
Engineering notation
2.1282079 × 10^6
Prime Factorization
17 × 7 × 13 × 13757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21282079
Product of the distinct prime numbers
The prime factorization of 21282079 is 17 × 7 × 13 × 13757.
Since it has a total of 4 prime factors.
2 , 7 , 24 , 16 , 653 , 468 , 5884 , 7635 , 42162 , 49391 , 219048 , 990678 , 8275725 , 2462057 , 46458133 , 34658921 , 808526099 , 535093780 , 2441006148 , 1167344686
n×2
42564158
n×3
63846237
n×4
85128316
n×5
106410395
n÷2
10641039.5
n÷3
7094026.3333333
n÷3
5320519.75
n÷5
4256415.8
n2
452926886562241
n3
9.6392257810417E+21
n4
2.0514276457097E+29
n5
4.3658645218777E+36
2 √n
4613.2503725681
3 √n
277.12222056331
4 √n
67.92091263056
5 √n
29.214792778752
1 , 7 , 13 , 17 , 91 , 119 , 221 , 1547 , 13757 , 96299 , 178841 , 233869 , 1251887 , 1637083 , 3040297 , 21282079
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
-21282078
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 21282079 can be divided by 16 positive divisors.
The sum of these divisors (counting 21282079) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001011110100011111
3
Ternary
1111001020112011
4
Quaternary
1101023310133
5
Quinary
20422011304
6
Senary
2040052051
8
Octal
121136437
10
Decimal
21282079
12
Duodecimal
7164027
16
Hexadecimal
144bd1f
20
Vigesimal
6d053j
36
Base36
co5cv
md5
b0fb09ba13740f4d3073563481537ea5
sha1
6f04a8d5d55daf1955b1c5e47068344558929607
sha256
85d9899c8b0b26bf34ce107bb6ed6cbaceec17ad0f09c5ae5a8b85bb2d418a8d
sha512
818b9cd5f7e3befec037021befaba48aa755b217426582564f9f6b91346e85a95afdb06da7d049c9aad55645dba30f1eaa146670b9a89a6a62c2cf102c619b41
ripemd-160
e2fd0c88f0339a2be79b3efdb8e6bf86d7d9dbe5
Diameter
42564158
Circumference
133719246.07904
Area
1.4229117794372E+15
Volume
4.0376694533352E+22
Surface area
5.6916471177489E+15
Circumference
133719246.07904
Perimeter
85128316
Area
452926886562241
Diagonal
30097404.757296
Surface area
2717561319373446
Volume
9.6392257810417E+21
Space diagonal
36861642.118695
Perimeter
63846237
Area
1.9612309490995E+14
Altitude
18430821.059347
Surface area
1.9612309490995E+14
Volume
1.1359936525271E+21
Height
10032468.252432