21288051 is an odd 8-digits composite number following 21288050
and preceding 21288052 . In scientific notation, it is written as 2.1288051 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 13975416 positive integers (up to 21288051) that are relatively prime to 21288051.
21288051 has 18 divisors, whose sum is 31225740
The reverse of 21288051 is 15088212
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred eighty-eight thousand fifty-one
Scientific notation
2.1288051 × 10^7
Engineering notation
2.1288051 × 10^6
Prime Factorization
3 × 3 × 79 × 79 × 379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
89823
Product of the distinct prime numbers
The prime factorization of 21288051 is 3 × 3 × 79 × 79 × 379.
Since it has a total of 5 prime factors.
9 , 8 , 75 , 89 , 971 , 204 , 9768 , 7333 , 70538 , 56520 , 404728 , 171290 , 5599162 , 8310795 , 11595774 , 84270598 , 415012495 , 770838845 , 6477878557 , 8146385058
n×2
42576102
n×3
63864153
n×4
85152204
n×5
106440255
n÷2
10644025.5
n÷3
7096017
n÷3
5322012.75
n÷5
4257610.2
n2
453181115378601
n3
9.6473426964165E+21
n4
2.0537312333579E+29
n5
4.3719935236016E+36
2 √n
4613.8975931418
3 √n
277.1481393833
4 √n
67.925676979636
5 √n
29.216432197179
1 , 3 , 9 , 79 , 237 , 379 , 711 , 1137 , 3411 , 6241 , 18723 , 29941 , 56169 , 89823 , 269469 , 2365339 , 7096017 , 21288051
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21288050
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21288051 can be divided by 18 positive divisors.
The sum of these divisors (counting 21288051) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010001001101010001110011
3
Ternary
1111001112201100
4
Quaternary
1101031101303
5
Quinary
20422204201
6
Senary
2040135443
8
Octal
121152163
10
Decimal
21288051
12
Duodecimal
7167583
16
Hexadecimal
144d473
20
Vigesimal
6d102b
36
Base36
co9yr
md5
59fbdbc2800b46a8a45c2110594c9514
sha1
57da6a57176e73277e46666e1038f8768357ac2c
sha256
906e4b6aceff5d95b563290b924b9f01a2f211e7c085bb1fb14deea32f155091
sha512
56a083c522e254f3113052ea55a18fb4798b288be30adb6f20eabeea01390e4224f13e6dcd40809a2c2241c155d9c94330c09aa296209c970b04dfd11fe19b6e
ripemd-160
aa7e81739407978f64efc15fe609caed6305d664
Diameter
42576102
Circumference
133756769.26169
Area
1.423710462819E+15
Volume
4.0410694588967E+22
Surface area
5.6948418512762E+15
Circumference
133756769.26169
Perimeter
85152204
Area
453181115378601
Diagonal
30105850.44069
Surface area
2719086692271606
Volume
9.6473426964165E+21
Space diagonal
36871985.926117
Perimeter
63864153
Area
1.9623317921662E+14
Altitude
18435992.963059
Surface area
1.9623317921662E+14
Volume
1.1369502401778E+21
Height
10035283.48023