21371188 is an even 8-digits composite number following 21371187
and preceding 21371189 . In scientific notation, it is written as 2.1371188 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10539072 positive integers (up to 21371188) that are relatively prime to 21371188.
21371188 has 12 divisors, whose sum is 37912420
The reverse of 21371188 is 88117312
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred seventy-one thousand one hundred eighty-eight
Scientific notation
2.1371188 × 10^7
Engineering notation
2.1371188 × 10^6
Prime Factorization
2 × 2 × 73 × 73189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10685594
Product of the distinct prime numbers
The prime factorization of 21371188 is 2 × 2 × 73 × 73189.
Since it has a total of 4 prime factors.
7 , 4 , 47 , 11 , 556 , 447 , 4426 , 4220 , 77170 , 30643 , 398810 , 144012 , 3917673 , 4527522 , 48363741 , 39747531 , 680236511 , 534072911 , 4346404026 , 7538108219
n×2
42742376
n×3
64113564
n×4
85484752
n×5
106855940
n÷2
10685594
n÷3
7123729.3333333
n÷3
5342797
n÷5
4274237.6
n2
456727676531344
n3
9.7608130399545E+21
n4
2.0860017050972E+29
n5
4.4580334607953E+36
2 √n
4622.8982251397
3 √n
277.50845630698
4 √n
67.991898231626
5 √n
29.239216631675
1 , 2 , 4 , 73 , 146 , 292 , 73189 , 146378 , 292756 , 5342797 , 10685594 , 21371188
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
-21371187
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 21371188 can be divided by 12 positive divisors.
The sum of these divisors (counting 21371188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001100001100100110100
3
Ternary
1111012202202111
4
Quaternary
1101201210310
5
Quinary
20432334223
6
Senary
2042020404
8
Octal
121414464
10
Decimal
21371188
12
Duodecimal
71a7704
16
Hexadecimal
1461934
20
Vigesimal
6db7j8
36
Base36
cq244
md5
e6653b0692cb25e2457995a5785c61d5
sha1
d9b2019c908c649f8b85c2af776237f966de6d17
sha256
c9ecabcf31e0f1be347ed511f47667422a5d322292337eea76cad3305a94d457
sha512
9424a61abed06858f9d03331611b6df1770fa99bab668e8f0c8b3ed3d721a0d10cb9f6853152477dd07fffdb9bf4b5a39b5115d6358e50a3c4d82dcffa554686
ripemd-160
265d1a259ce0a5197a1feb14248b6481436b7d38
Diameter
42742376
Circumference
134279134.43857
Area
1.434852313282E+15
Volume
4.0885998052513E+22
Surface area
5.739409253128E+15
Circumference
134279134.43857
Perimeter
85484752
Area
456727676531344
Diagonal
30223423.913625
Surface area
2740366059188064
Volume
9.7608130399545E+21
Space diagonal
37015983.434106
Perimeter
64113564
Area
1.9776888524379E+14
Altitude
18507991.717053
Surface area
1.9776888524379E+14
Volume
1.1503228484077E+21
Height
10074474.637875