21359917 is an odd 8-digits composite number following 21359916
and preceding 21359918 . In scientific notation, it is written as 2.1359917 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 21345120 positive integers (up to 21359917) that are relatively prime to 21359917.
21359917 has 4 divisors, whose sum is 21374716
The reverse of 21359917 is 71995312
Previous prime number is 1621
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million three hundred fifty-nine thousand nine hundred seventeen
Scientific notation
2.1359917 × 10^7
Engineering notation
2.1359917 × 10^6
Prime Factorization
1621 × 13177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21359917
Product of the distinct prime numbers
The prime factorization of 21359917 is 1621 × 13177.
Since it has a total of 2 prime factors.
5 , 2 , 13 , 76 , 766 , 220 , 2041 , 6950 , 22164 , 83501 , 129757 , 117303 , 1991201 , 858621 , 20585606 , 5712616 , 896678360 , 208412430 , 9465077734 , 1615443565
n×2
42719834
n×3
64079751
n×4
85439668
n×5
106799585
n÷2
10679958.5
n÷3
7119972.3333333
n÷3
5339979.25
n÷5
4271983.4
n2
456246054246889
n3
9.745377850291E+21
n4
2.0816046201586E+29
n5
4.4462901913403E+36
2 √n
4621.6790239046
3 √n
277.45966245376
4 √n
67.982931857229
5 √n
29.236131873311
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
-21359916
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 21359917 can be divided by 4 positive divisors.
The sum of these divisors (counting 21359917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011110110100101101
3
Ternary
1111012012022001
4
Quaternary
1101132310231
5
Quinary
20432004132
6
Senary
2041452301
8
Octal
121366455
10
Decimal
21359917
12
Duodecimal
71a1091
16
Hexadecimal
145ed2d
20
Vigesimal
6d9jfh
36
Base36
cptf1
md5
e664f8f71e11dd4aec697ea095e5ce48
sha1
5e57054a7729cd46a78271bc628671cac2fe2f67
sha256
52745b8e722ffaad280d8e8ba815a695023a370d4feb8bd8732b86c9388e7bec
sha512
d07d8de7ef5868b1b641684ce22b0ea369c2643b7bf0fe8d22333648d7322c65eddfc575eb756c3956213c1d19f562538185cf9cf16ccbd85b64092a44f1a278
ripemd-160
cd16db59691b23f1cce989e60dd3b10da3a3faae
Diameter
42719834
Circumference
134208316.65698
Area
1.4333392522514E+15
Volume
4.0821343281241E+22
Surface area
5.7333570090054E+15
Circumference
134208316.65698
Perimeter
85439668
Area
456246054246889
Diagonal
30207484.312564
Surface area
2737476325481334
Volume
9.745377850291E+21
Space diagonal
36996461.489454
Perimeter
64079751
Area
1.9756033667711E+14
Altitude
18498230.744727
Surface area
1.9756033667711E+14
Volume
1.148503793861E+21
Height
10069161.437521