21131188 is an even 8-digits composite number following 21131187
and preceding 21131189 . In scientific notation, it is written as 2.1131188 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 9708000 positive integers (up to 21131188) that are relatively prime to 21131188.
21131188 has 24 divisors, whose sum is 40007520
The reverse of 21131188 is 88113112
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-one thousand one hundred eighty-eight
Scientific notation
2.1131188 × 10^7
Engineering notation
2.1131188 × 10^6
Prime Factorization
2 × 2 × 13 × 251 × 1619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10565594
Product of the distinct prime numbers
The prime factorization of 21131188 is 2 × 2 × 13 × 251 × 1619.
Since it has a total of 5 prime factors.
5 , 5 , 12 , 56 , 72 , 304 , 6483 , 1107 , 28677 , 44504 , 177032 , 18330 , 5983316 , 6939698 , 60049593 , 48734543 , 84445438 , 280795193 , 3430852696 , 287656889
n×2
42262376
n×3
63393564
n×4
84524752
n×5
105655940
n÷2
10565594
n÷3
7043729.3333333
n÷3
5282797
n÷5
4226237.6
n2
446527106291344
n3
9.4356482301384E+21
n4
1.9938645665292E+29
n5
4.2132727001867E+36
2 √n
4596.867194079
3 √n
276.46572981104
4 √n
67.800200546009
5 √n
29.173247921891
1 , 2 , 4 , 13 , 26 , 52 , 251 , 502 , 1004 , 1619 , 3238 , 3263 , 6476 , 6526 , 13052 , 21047 , 42094 , 84188 , 406369 , 812738 , 1625476 , 5282797 , 10565594 , 21131188
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131188 can be divided by 24 positive divisors.
The sum of these divisors (counting 21131188) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100110111110110100
3
Ternary
1110202120112121
4
Quaternary
1100212332310
5
Quinary
20402144223
6
Senary
2032525324
8
Octal
120467664
10
Decimal
21131188
12
Duodecimal
70b0844
16
Hexadecimal
1426fb4
20
Vigesimal
6c17j8
36
Base36
ckwxg
md5
9cd1b7850609dc69768743bca6436a82
sha1
57cd24f2d0d014b012c3c4dacd7ceecc8d74f139
sha256
e0ee683116d7266a6b05a2be8891a39423975fa12bddd5f14c4801ebb0a3e957
sha512
72b2a1889bb8297a6fc76feef9d188dd97189762252509a3df3300ee67aad9d7bbf8b449e30bd0912e10c407aeda0c6e3514cd22b483c73cfdc9535e4dc4479a
ripemd-160
dda823764899e5664ed1bf25bfa894bb0360d02c
Diameter
42262376
Circumference
132771169.96485
Area
1.4028062767536E+15
Volume
3.9523950882214E+22
Surface area
5.6112251070144E+15
Circumference
132771169.96485
Perimeter
84524752
Area
446527106291344
Diagonal
29884012.658656
Surface area
2679162637748064
Volume
9.4356482301384E+21
Space diagonal
36600291.24029
Perimeter
63393564
Area
1.9335190876333E+14
Altitude
18300145.620145
Surface area
1.9335190876333E+14
Volume
1.1120018080703E+21
Height
9961337.5528852