21131248 is an even 8-digits composite number following 21131247
and preceding 21131249 . In scientific notation, it is written as 2.1131248 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 10531584 positive integers (up to 21131248) that are relatively prime to 21131248.
21131248 has 20 divisors, whose sum is 41073760
The reverse of 21131248 is 84213112
Previous prime number is 337
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred thirty-one thousand two hundred forty-eight
Scientific notation
2.1131248 × 10^7
Engineering notation
2.1131248 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 337 × 3919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2641406
Product of the distinct prime numbers
The prime factorization of 21131248 is 2 × 2 × 2 × 2 × 337 × 3919.
Since it has a total of 6 prime factors.
7 , 7 , 85 , 21 , 798 , 575 , 1450 , 5223 , 48830 , 18049 , 881288 , 462759 , 9329908 , 2304411 , 28353101 , 3035803 , 854716575 , 774825114 , 1953713516 , 1605172121
n×2
42262496
n×3
63393744
n×4
84524992
n×5
105656240
n÷2
10565624
n÷3
7043749.3333333
n÷3
5282812
n÷5
4226249.6
n2
446529642037504
n3
9.4357286052457E+21
n4
1.9938872121814E+29
n5
4.2133325164634E+36
2 √n
4596.8737202581
3 √n
276.46599147684
4 √n
67.800248674014
5 √n
29.173264488805
1 , 2 , 4 , 8 , 16 , 337 , 674 , 1348 , 2696 , 3919 , 5392 , 7838 , 15676 , 31352 , 62704 , 1320703 , 2641406 , 5282812 , 10565624 , 21131248
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131247
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131248 can be divided by 20 positive divisors.
The sum of these divisors (counting 21131248) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100110111111110000
3
Ternary
1110202120121211
4
Quaternary
1100212333300
5
Quinary
20402144443
6
Senary
2032525504
8
Octal
120467760
10
Decimal
21131248
12
Duodecimal
70b0894
16
Hexadecimal
1426ff0
20
Vigesimal
6c1828
36
Base36
ckwz4
md5
e9bd0e03bd129160cd1295c2c60ecdb9
sha1
49e0289787ae1790ad2b5b4f30d41b3792b389be
sha256
b6ade798d84ca342606a9caf07ea9d12e23e47fac86c78c83d87555bf7d52937
sha512
aa884547fbe49978cdacc11ca145cd5bc9058b43aae9a0fd3a83b7af5966ee6ae437a19e61b658d0057091fec265c3c5c88753e6a8c7decb04e3177058dba595
ripemd-160
2b80d395f247d2db7e97e194f27fc113a216e072
Diameter
42262496
Circumference
132771546.95597
Area
1.4028142430351E+15
Volume
3.9524287556676E+22
Surface area
5.6112569721404E+15
Circumference
132771546.95597
Perimeter
84524992
Area
446529642037504
Diagonal
29884097.511469
Surface area
2679177852225024
Volume
9.4357286052457E+21
Space diagonal
36600395.163338
Perimeter
63393744
Area
1.9335300677363E+14
Altitude
18300197.581669
Surface area
1.9335300677363E+14
Volume
1.1120112803675E+21
Height
9961365.8371564