21472487 is an odd 8-digits composite number following 21472486
and preceding 21472488 . In scientific notation, it is written as 2.1472487 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 21463200 positive integers (up to 21472487) that are relatively prime to 21472487.
21472487 has 4 divisors, whose sum is 21481776
The reverse of 21472487 is 78427412
Previous prime number is 4951
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred seventy-two thousand four hundred eighty-seven
Scientific notation
2.1472487 × 10^7
Engineering notation
2.1472487 × 10^6
Prime Factorization
4951 × 4337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21472487
Product of the distinct prime numbers
The prime factorization of 21472487 is 4951 × 4337.
Since it has a total of 2 prime factors.
5 , 5 , 50 , 85 , 446 , 795 , 7880 , 1248 , 74232 , 74907 , 295474 , 117166 , 1739269 , 6344598 , 25132319 , 52777053 , 253551478 , 192638575 , 636163898 , 2525607543
n×2
42944974
n×3
64417461
n×4
85889948
n×5
107362435
n÷2
10736243.5
n÷3
7157495.6666667
n÷3
5368121.75
n÷5
4294497.4
n2
461067697965169
n3
9.900270150677E+21
n4
2.125834221069E+29
n5
4.5646947676059E+36
2 √n
4633.8414949154
3 √n
277.94622685421
4 √n
68.07232547016
5 √n
29.266882885689
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21472486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21472487 can be divided by 4 positive divisors.
The sum of these divisors (counting 21472487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111010010011100111
3
Ternary
1111101220201022
4
Quaternary
1101322103213
5
Quinary
20444104422
6
Senary
2044121355
8
Octal
121722347
10
Decimal
21472487
12
Duodecimal
723625b
16
Hexadecimal
147a4e7
20
Vigesimal
6e4147
36
Base36
cs89z
md5
3e3824fe478f17ca460e2f9aa6b721a7
sha1
897376ddf18dd07f8488b82a452b38c500338a7c
sha256
cd800dcd8b144837d927cb9f33c02a4ec346aa391bb460b1b97a3f0dfcc6af96
sha512
46fdd1f4c58661575428034e4873fad0912898c0af5d18e5352c73513157df05dbf202e28bab67240153ea5f77c746d32735ead0f56f337293de978268698c81
ripemd-160
cf609afe2ae2a812a3646b4bcd3db89bbc0b9b81
Diameter
42944974
Circumference
134915614.827
Area
1.4484868927349E+15
Volume
4.1470154631895E+22
Surface area
5.7939475709397E+15
Circumference
134915614.827
Perimeter
85889948
Area
461067697965169
Diagonal
30366682.33328
Surface area
2766406187791014
Volume
9.900270150677E+21
Space diagonal
37191438.448862
Perimeter
64417461
Area
1.9964816965112E+14
Altitude
18595719.224431
Surface area
1.9964816965112E+14
Volume
1.1667580265204E+21
Height
10122227.444427