21551188 is an even 8-digits composite number following 21551187
and preceding 21551189 . In scientific notation, it is written as 2.1551188 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10759320 positive integers (up to 21551188) that are relatively prime to 21551188.
21551188 has 12 divisors, whose sum is 37771552
The reverse of 21551188 is 88115512
Previous prime number is 727
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand one hundred eighty-eight
Scientific notation
2.1551188 × 10^7
Engineering notation
2.1551188 × 10^6
Prime Factorization
2 × 2 × 727 × 7411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10775594
Product of the distinct prime numbers
The prime factorization of 21551188 is 2 × 2 × 727 × 7411.
Since it has a total of 4 prime factors.
10 , 10 , 46 , 3 , 188 , 336 , 825 , 8792 , 27106 , 51040 , 946252 , 582621 , 8932247 , 1645319 , 37269514 , 28238467 , 741974717 , 983949113 , 9466945795 , 2950106904
n×2
43102376
n×3
64653564
n×4
86204752
n×5
107755940
n÷2
10775594
n÷3
7183729.3333333
n÷3
5387797
n÷5
4310237.6
n2
464453704211344
n3
1.0009529096755E+22
n4
2.1571724335564E+29
n5
4.6489628663991E+36
2 √n
4642.3257102448
3 √n
278.28538917057
4 √n
68.134614626083
5 √n
29.288305308578
1 , 2 , 4 , 727 , 1454 , 2908 , 7411 , 14822 , 29644 , 5387797 , 10775594 , 21551188
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551188 can be divided by 12 positive divisors.
The sum of these divisors (counting 21551188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001101100001010100
3
Ternary
1111112220200011
4
Quaternary
1102031201110
5
Quinary
21004114223
6
Senary
2045530004
8
Octal
122154124
10
Decimal
21551188
12
Duodecimal
7273904
16
Hexadecimal
148d854
20
Vigesimal
6edhj8
36
Base36
ctx04
md5
b291c311fa1bd50c8ce5375b9de3782a
sha1
139e016ccb7b09ac2db715aef3434165de52c71d
sha256
e1320a85163af29a42d5ab03125699208842280b5c7b9a2f8c775b1d1e94f8f3
sha512
d915588cb4bf3b0f055582920a2eb351b2382dd0a1036b6c6a36d12c5af3c65702501736c6b2f50ef29a5da0b508e9324eae91d64f4d73a6b0ce75a512ccb3ff
ripemd-160
0be416765d2174acda879c486d77fbc5b6977b01
Diameter
43102376
Circumference
135410107.79387
Area
1.4591243450829E+15
Volume
4.1927817435012E+22
Surface area
5.8364973803317E+15
Circumference
135410107.79387
Perimeter
86204752
Area
464453704211344
Diagonal
30477982.354852
Surface area
2786722225268064
Volume
1.0009529096755E+22
Space diagonal
37327752.579469
Perimeter
64653564
Area
2.011143533644E+14
Altitude
18663876.289734
Surface area
2.011143533644E+14
Volume
1.1796343167999E+21
Height
10159327.451617