21001079 is an odd 8-digits composite number following 21001078
and preceding 21001080 . In scientific notation, it is written as 2.1001079 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 19051200 positive integers (up to 21001079) that are relatively prime to 21001079.
21001079 has 8 divisors, whose sum is 22959120
The reverse of 21001079 is 97010012
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one thousand seventy-nine
Scientific notation
2.1001079 × 10^7
Engineering notation
2.1001079 × 10^6
Prime Factorization
11 × 541 × 3529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21001079
Product of the distinct prime numbers
The prime factorization of 21001079 is 11 × 541 × 3529.
Since it has a total of 3 prime factors.
5 , 6 , 100 , 49 , 685 , 334 , 7497 , 711 , 45307 , 55450 , 20627 , 28391 , 8950154 , 9545947 , 4601804 , 90720155 , 531289198 , 399853637 , 8046291344 , 517980046
n×2
42002158
n×3
63003237
n×4
84004316
n×5
105005395
n÷2
10500539.5
n÷3
7000359.6666667
n÷3
5250269.75
n÷5
4200215.8
n2
441045319164241
n3
9.2624275903484E+21
n4
1.9452097355669E+29
n5
4.0851503328209E+36
2 √n
4582.6934219954
3 √n
275.89714276224
4 √n
67.695593815221
5 √n
29.137233996298
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
-21001078
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 21001079 can be divided by 8 positive divisors.
The sum of these divisors (counting 21001079) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111001101110111
3
Ternary
1110111222001202
4
Quaternary
1100013031313
5
Quinary
20334013304
6
Senary
2030043115
8
Octal
120071567
10
Decimal
21001079
12
Duodecimal
704949b
16
Hexadecimal
1407377
20
Vigesimal
6b52dj
36
Base36
ci4jb
md5
d05768ca3246870a3cee0914356237c6
sha1
6fe232f31a2d983d2166bf0d8dc6ef580a5b80dc
sha256
8a3a533275b66c3b1aa6603d90c5771c3eceebb181589b878f7f70fe0719bf15
sha512
826f4d6c2ed0861f10496399f8b4c248bb7b7f40c934d85bacba9600beeb26dd5d584318ff18240090301e8b551ca9dd14994f3d81a57275269407702a1e8f85
ripemd-160
5cbae022af400420e3c68f365cbcf2c3d80f7e48
Diameter
42002158
Circumference
131953671.00772
Area
1.3855847345865E+15
Volume
3.8798365962995E+22
Surface area
5.5423389383462E+15
Circumference
131953671.00772
Perimeter
84004316
Area
441045319164241
Diagonal
29700010.746269
Surface area
2646271914985446
Volume
9.2624275903484E+21
Space diagonal
36374935.841768
Perimeter
63003237
Area
1.9097822530822E+14
Altitude
18187467.920884
Surface area
1.9097822530822E+14
Volume
1.0915875598975E+21
Height
9900003.5820896