21131436 is an even 8-digits composite number following 21131435
and preceding 21131437 . In scientific notation, it is written as 2.1131436 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 7043808 positive integers (up to 21131436) that are relatively prime to 21131436.
21131436 has 12 divisors, whose sum is 49306712
The reverse of 21131436 is 63413112
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred thirty-one thousand four hundred thirty-six
Scientific notation
2.1131436 × 10^7
Engineering notation
2.1131436 × 10^6
Prime Factorization
2 × 2 × 3 × 1760953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565718
Product of the distinct prime numbers
The prime factorization of 21131436 is 2 × 2 × 3 × 1760953.
Since it has a total of 4 prime factors.
2 , 9 , 63 , 64 , 398 , 462 , 9750 , 7631 , 4900 , 89155 , 509233 , 694584 , 6513853 , 2862167 , 37341144 , 32194833 , 617523212 , 564828388 , 9319448820 , 2520422975
n×2
42262872
n×3
63394308
n×4
84525744
n×5
105657180
n÷2
10565718
n÷3
7043812
n÷3
5282859
n÷5
4226287.2
n2
446537587422096
n3
9.4359804502044E+21
n4
1.9939581698075E+29
n5
4.2135199451963E+36
2 √n
4596.8941688927
3 √n
276.46681135983
4 √n
67.800399474433
5 √n
29.173316398226
1 , 2 , 3 , 4 , 6 , 12 , 1760953 , 3521906 , 5282859 , 7043812 , 10565718 , 21131436
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
-21131435
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 21131436 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131436) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111000010101100
3
Ternary
1110202120212210
4
Quaternary
1100213002230
5
Quinary
20402201221
6
Senary
2032530420
8
Octal
120470254
10
Decimal
21131436
12
Duodecimal
70b0a10
16
Hexadecimal
14270ac
20
Vigesimal
6c18bg
36
Base36
ckx4c
md5
24de5a3a936808427158e12de8b628ed
sha1
2f1c65764229b821abea2adee852cf990d8a1d73
sha256
5852cff1f5627ceec777af38b20226756a59e3780914694bc49424692cbfc59f
sha512
36e8136846b3f3846785b00d2fe7aa8312e7174d245bb16c56559a063b04a8148569cb2fb142038661231ca58b8c14c201511c88c2a3a3191270ed26cdfcb26f
ripemd-160
a3e48fc75d96acc2149dfae30b8192b7a4cbf6ca
Diameter
42262872
Circumference
132772728.19481
Area
1.402839204197E+15
Volume
3.9525342482372E+22
Surface area
5.6113568167879E+15
Circumference
132772728.19481
Perimeter
84525744
Area
446537587422096
Diagonal
29884363.383619
Surface area
2679225524532576
Volume
9.4359804502044E+21
Space diagonal
36600720.78889
Perimeter
63394308
Area
1.9335644722607E+14
Altitude
18300360.394445
Surface area
1.9335644722607E+14
Volume
1.1120409605805E+21
Height
9961454.4612064