21007079 is an odd 8-digits composite number following 21007078
and preceding 21007080 . In scientific notation, it is written as 2.1007079 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20996976 positive integers (up to 21007079) that are relatively prime to 21007079.
21007079 has 4 divisors, whose sum is 21017184
The reverse of 21007079 is 97070012
Previous prime number is 2927
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million seven thousand seventy-nine
Scientific notation
2.1007079 × 10^7
Engineering notation
2.1007079 × 10^6
Prime Factorization
2927 × 7177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21007079
Product of the distinct prime numbers
The prime factorization of 21007079 is 2927 × 7177.
Since it has a total of 2 prime factors.
1 , 1 , 72 , 37 , 244 , 168 , 5962 , 9789 , 71981 , 39945 , 737224 , 942011 , 942257 , 8147898 , 48911361 , 58400629 , 973947269 , 699026473 , 7506879604 , 6418880288
n×2
42014158
n×3
63021237
n×4
84028316
n×5
105035395
n÷2
10503539.5
n÷3
7002359.6666667
n÷3
5251769.75
n÷5
4201415.8
n2
441297368112241
n3
9.2703686744259E+21
n4
1.9474336710279E+29
n5
4.0909892974543E+36
2 √n
4583.3480120977
3 √n
275.92341482878
4 √n
67.700428448406
5 √n
29.138898705322
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
-21007078
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 21007079 can be divided by 4 positive divisors.
The sum of these divisors (counting 21007079) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001000101011100111
3
Ternary
1110112021021222
4
Quaternary
1100020223213
5
Quinary
20334211304
6
Senary
2030130555
8
Octal
120105347
10
Decimal
21007079
12
Duodecimal
7050a5b
16
Hexadecimal
1408ae7
20
Vigesimal
6b5hdj
36
Base36
ci95z
md5
2f8a24343fec41f7f5741d88ba8027d0
sha1
56f5b5269c7d067e200ab8c69563d6b559168f45
sha256
39413565167d7d53258122eb3055076f5194c6dc0109cace180d6fed29d461b9
sha512
07f65e8598c323bd3701d8c2c84ecf1bd2a13488746d233088eb34328d94ca41bf452895f3b35ea9f3d7215da765caf2ac8f1c9cdf10115ccb09d799ed23f7ea
ripemd-160
7e6cd81f0e9dead1e6b7c2cc8a33a7274e695ceb
Diameter
42014158
Circumference
131991370.11956
Area
1.3863765697099E+15
Volume
3.8831629498194E+22
Surface area
5.5455062788397E+15
Circumference
131991370.11956
Perimeter
84028316
Area
441297368112241
Diagonal
29708496.027643
Surface area
2647784208673446
Volume
9.2703686744259E+21
Space diagonal
36385328.146613
Perimeter
63021237
Area
1.9108736570421E+14
Altitude
18192664.073307
Surface area
1.9108736570421E+14
Volume
1.092523425631E+21
Height
9902832.0092143