21131852 is an even 8-digits composite number following 21131851
and preceding 21131853 . In scientific notation, it is written as 2.1131852 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 9056496 positive integers (up to 21131852) that are relatively prime to 21131852.
21131852 has 12 divisors, whose sum is 42263760
The reverse of 21131852 is 25813112
Previous prime number is 7
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 eight hundred fifty-two
Scientific notation
2.1131852 × 10^7
Engineering notation
2.1131852 × 10^6
Prime Factorization
2 × 2 × 7 × 754709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565926
Product of the distinct prime numbers
The prime factorization of 21131852 is 2 × 2 × 7 × 754709.
Since it has a total of 4 prime factors.
2 , 5 , 42 , 89 , 220 , 384 , 322 , 6766 , 78323 , 83576 , 750813 , 80784 , 8447052 , 1504160 , 70519383 , 29630307 , 744732362 , 870264483 , 1279970715 , 5155069997
n×2
42263704
n×3
63395556
n×4
84527408
n×5
105659260
n÷2
10565926
n÷3
7043950.6666667
n÷3
5282963
n÷5
4226370.4
n2
446555168949904
n3
9.4365377400844E+21
n4
1.9941151891588E+29
n5
4.2139347048255E+36
2 √n
4596.9394166119
3 √n
276.46862555171
4 √n
67.800733156891
5 √n
29.173431260312
1 , 2 , 4 , 7 , 14 , 28 , 754709 , 1509418 , 3018836 , 5282963 , 10565926 , 21131852
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
-21131851
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 21131852 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131852) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111001001001100
3
Ternary
1110202121110012
4
Quaternary
1100213021030
5
Quinary
20402204402
6
Senary
2032532352
8
Octal
120471114
10
Decimal
21131852
12
Duodecimal
70b10b8
16
Hexadecimal
142724c
20
Vigesimal
6c19cc
36
Base36
ckxfw
md5
84cb387896857337fba73a0ac87b1c6d
sha1
9312d35991163c9c583bec4ecc4eac7c7a3f5053
sha256
35776dd60d1676542fc425beb94af26a9d39cd33ffe11aa006391b471bdbf1f3
sha512
a9b3bb0e404d506ae6594b1bff221fc9f60d414add267946e8cae52aecd054d4304cb6bae8f877690a58ea4e4f815d3625068325bb413216320952729c8ec16c
ripemd-160
cd5f1b87da9fe37dd0c5355a93261c8657f6c02e
Diameter
42263704
Circumference
132775341.99989
Area
1.4028944381956E+15
Volume
3.9527676852762E+22
Surface area
5.6115777527823E+15
Circumference
132775341.99989
Perimeter
84527408
Area
446555168949904
Diagonal
29884951.696461
Surface area
2679331013699424
Volume
9.4365377400844E+21
Space diagonal
36601441.322026
Perimeter
63395556
Area
1.9336406025093E+14
Altitude
18300720.661013
Surface area
1.9336406025093E+14
Volume
1.1121066378227E+21
Height
9961650.565487