21131384 is an even 8-digits composite number following 21131383
and preceding 21131385 . In scientific notation, it is written as 2.1131384 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors.
There are 10565688 positive integers (up to 21131384) that are relatively prime to 21131384.
21131384 has 8 divisors, whose sum is 39621360
The reverse of 21131384 is 48313112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-one thousand three hundred eighty-four
Scientific notation
2.1131384 × 10^7
Engineering notation
2.1131384 × 10^6
Prime Factorization
2 × 2 × 2 × 2641423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5282846
Product of the distinct prime numbers
The prime factorization of 21131384 is 2 × 2 × 2 × 2641423.
Since it has a total of 4 prime factors.
4 , 9 , 83 , 11 , 730 , 633 , 256 , 9038 , 17999 , 4597 , 875593 , 226970 , 2763535 , 96893 , 48950267 , 26467815 , 17236147 , 428277070 , 7058745227 , 6839830720
n×2
42262768
n×3
63394152
n×4
84525536
n×5
105656920
n÷2
10565692
n÷3
7043794.6666667
n÷3
5282846
n÷5
4226276.8
n2
446535389755456
n3
9.4359107905122E+21
n4
1.9939385430406E+29
n5
4.2134681025391E+36
2 √n
4596.8885128965
3 √n
276.46658458417
4 √n
67.80035776378
5 √n
29.173302040338
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131384 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131384) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111000001111000
3
Ternary
1110202120210212
4
Quaternary
1100213001320
5
Quinary
20402201014
6
Senary
2032530252
8
Octal
120470170
10
Decimal
21131384
12
Duodecimal
70b0988
16
Hexadecimal
1427078
20
Vigesimal
6c1894
36
Base36
ckx2w
md5
26c62db1bf228146519852ff948b532c
sha1
2da51abf379b45869e5204df20b49b47948ea0fd
sha256
0b9963e302290cf2bf77d5cf97b2f1aa7015ef83985ca2d5a559457796669b04
sha512
6865fc344bb85558a29cd749d7178f901330de85ae70681e75cc8762022446eaaf61df4d8c0ba8bf199fb731a2ab154b4d36f383a520b8991e4b76c6021430bc
ripemd-160
71c3086e35e2a643c89220ff4db0265fc64db75e
Diameter
42262768
Circumference
132772401.46917
Area
1.4028323000236E+15
Volume
3.9525050692536E+22
Surface area
5.6113292000944E+15
Circumference
132772401.46917
Perimeter
84525536
Area
446535389755456
Diagonal
29884289.844514
Surface area
2679212338532736
Volume
9.4359107905122E+21
Space diagonal
36600630.722248
Perimeter
63394152
Area
1.9335549560851E+14
Altitude
18300315.361124
Surface area
1.9335549560851E+14
Volume
1.1120327511071E+21
Height
9961429.9481713