21131804 is an even 8-digits composite number following 21131803
and preceding 21131805 . In scientific notation, it is written as 2.1131804 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 10447008 positive integers (up to 21131804) that are relatively prime to 21131804.
21131804 has 12 divisors, whose sum is 37396800
The reverse of 21131804 is 40813112
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand eight hundred four
Scientific notation
2.1131804 × 10^7
Engineering notation
2.1131804 × 10^6
Prime Factorization
2 × 2 × 89 × 59359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565902
Product of the distinct prime numbers
The prime factorization of 21131804 is 2 × 2 × 89 × 59359.
Since it has a total of 4 prime factors.
9 , 1 , 57 , 50 , 370 , 394 , 4652 , 6502 , 86057 , 45118 , 661465 , 958506 , 4759374 , 9214332 , 61598097 , 40266907 , 986029309 , 969293982 , 4063932997 , 3346985268
n×2
42263608
n×3
63395412
n×4
84527216
n×5
105659020
n÷2
10565902
n÷3
7043934.6666667
n÷3
5282951
n÷5
4226360.8
n2
446553140294416
n3
9.4364734362861E+21
n4
1.994097071068E+29
n5
4.2138868462784E+36
2 √n
4596.9341957439
3 √n
276.46841622309
4 √n
67.80069465532
5 √n
29.173418007086
1 , 2 , 4 , 89 , 178 , 356 , 59359 , 118718 , 237436 , 5282951 , 10565902 , 21131804
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
-21131803
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 21131804 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111001000011100
3
Ternary
1110202121101102
4
Quaternary
1100213020130
5
Quinary
20402204204
6
Senary
2032532232
8
Octal
120471034
10
Decimal
21131804
12
Duodecimal
70b1078
16
Hexadecimal
142721c
20
Vigesimal
6c19a4
36
Base36
ckxek
md5
28306198d641c945709020f29f63906b
sha1
a3bcd988e6a0a766faf8dc162db14f60a93867f3
sha256
b604cd09e02d38e7b0853030194472fb2e01aad43b4b99d58127165b81dd1c8e
sha512
498491b53b377a12400624b60268091b8fd443925afa93e30fd26d6a9d1af6ed59413cd31e08813b4a9d06df6d362c553bdadab6960b237b0f7e9d9c6bc12e26
ripemd-160
c49ff84d4c8f26f2697023c1db04f06de7fe1b52
Diameter
42263608
Circumference
132775040.407
Area
1.4028880649864E+15
Volume
3.9527407497642E+22
Surface area
5.6115522599456E+15
Circumference
132775040.407
Perimeter
84527216
Area
446553140294416
Diagonal
29884883.81421
Surface area
2679318841766496
Volume
9.4364734362861E+21
Space diagonal
36601358.183587
Perimeter
63395412
Area
1.9336318181734E+14
Altitude
18300679.091794
Surface area
1.9336318181734E+14
Volume
1.1120990595474E+21
Height
9961627.93807