21504140 is an even 8-digits composite number following 21504139
and preceding 21504141 . In scientific notation, it is written as 2.1504140 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 7372512 positive integers (up to 21504140) that are relatively prime to 21504140.
21504140 has 24 divisors, whose sum is 46082400
The reverse of 21504140 is 04140512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million five hundred four thousand one hundred forty
Scientific notation
2.1504140 × 10^7
Engineering notation
2.1504140 × 10^6
Prime Factorization
2 × 2 × 49 × 5 × 21943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10752070
Product of the distinct prime numbers
The prime factorization of 21504140 is 2 × 2 × 49 × 5 × 21943.
Since it has a total of 5 prime factors.
3 , 9 , 29 , 61 , 510 , 230 , 677 , 5301 , 98304 , 34896 , 58878 , 372025 , 4194948 , 8809352 , 2939517 , 50993450 , 914047224 , 559232155 , 5215333936 , 9890658946
n×2
43008280
n×3
64512420
n×4
86016560
n×5
107520700
n÷2
10752070
n÷3
7168046.6666667
n÷3
5376035
n÷5
4300828
n2
462428037139600
n3
9.9441172505752E+21
n4
2.1383968953278E+29
n5
4.5984386212695E+36
2 √n
4637.2556539402
3 √n
278.08273506645
4 √n
68.097398290538
5 √n
29.275506375703
1 , 2 , 4 , 5 , 10 , 20 , 49 , 98 , 196 , 245 , 490 , 980 , 21943 , 43886 , 87772 , 109715 , 219430 , 438860 , 1075207 , 2150414 , 4300828 , 5376035 , 10752070 , 21504140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21504139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21504140 can be divided by 24 positive divisors.
The sum of these divisors (counting 21504140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000010000010001100
3
Ternary
1111110112010122
4
Quaternary
1102002002030
5
Quinary
21001113030
6
Senary
2044524112
8
Octal
122020214
10
Decimal
21504140
12
Duodecimal
7250638
16
Hexadecimal
148208c
20
Vigesimal
6e8070
36
Base36
cswp8
md5
4ab4d7aba00ad13ffc93152142600f09
sha1
c8e6e5c39889f93f7d6fba30551ced7e6f127f72
sha256
bb1aac653211d4661861456e92d7e4280d0466f72ba388fc85d3b474db1e56e0
sha512
3b308fa9be7104dbaadf0a4f32cc33dad920ef75c6bd171e944c0475997c728592a66f1c7c7da1155f653a5f2d60faf63b710f69206199a4f4c473ac06abeae0
ripemd-160
8e85d848a6d8e7b73ea0e3a8a026e5c73e11b3c6
Diameter
43008280
Circumference
135114496.49153
Area
1.4527605242917E+15
Volume
4.1653820934457E+22
Surface area
5.8110420971669E+15
Circumference
135114496.49153
Perimeter
86016560
Area
462428037139600
Diagonal
30411446.43517
Surface area
2774568222837600
Volume
9.9441172505752E+21
Space diagonal
37246263.053074
Perimeter
64512420
Area
2.0023721379253E+14
Altitude
18623131.526537
Surface area
2.0023721379253E+14
Volume
1.1719254567993E+21
Height
10137148.811723