21492565 is an odd 8-digits composite number following 21492564
and preceding 21492566 . In scientific notation, it is written as 2.1492565 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 17194048 positive integers (up to 21492565) that are relatively prime to 21492565.
21492565 has 4 divisors, whose sum is 25791084
The reverse of 21492565 is 56529412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand five hundred sixty-five
Scientific notation
2.1492565 × 10^7
Engineering notation
2.1492565 × 10^6
Prime Factorization
5 × 4298513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492565
Product of the distinct prime numbers
The prime factorization of 21492565 is 5 × 4298513.
Since it has a total of 2 prime factors.
9 , 4 , 47 , 52 , 117 , 277 , 5443 , 5496 , 23793 , 3767 , 18644 , 191172 , 5644664 , 7740106 , 74759784 , 79636485 , 571174299 , 797434592 , 5984909207 , 8437824871
n×2
42985130
n×3
64477695
n×4
85970260
n×5
107462825
n÷2
10746282.5
n÷3
7164188.3333333
n÷3
5373141.25
n÷5
4298513
n2
461930350279225
n3
9.928068078849E+21
n4
2.1337964850909E+29
n5
4.5860759652587E+36
2 √n
4636.0074417542
3 √n
278.03283172445
4 √n
68.088232770092
5 √n
29.272354080659
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
-21492564
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 21492565 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492565) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111001101010101
3
Ternary
1111102221020221
4
Quaternary
1101333031111
5
Quinary
21000230230
6
Senary
2044354341
8
Octal
121771525
10
Decimal
21492565
12
Duodecimal
72459b1
16
Hexadecimal
147f355
20
Vigesimal
6e6b85
36
Base36
csnrp
md5
3e3845db887b4de9b4371ab2e895daa5
sha1
a08d6639a274e3946bef24be3788655c858d41ac
sha256
9c08bd5794b752783923c2cb9e88ee6e9f7cef0af3dc31b43d0a15ccc7d05a23
sha512
b3368b105284467b8f87f6e7dc6e8bc7136fd23afcc95ba32ef63a27aa09946ca71de24c6edd5b60b8dbd172a37c4cde859df682d8d914859401757b30221cb9
ripemd-160
3d9a974b0e2606236ae7bb3c6420dcd6a67fb6d1
Diameter
42985130
Circumference
135041768.6216
Area
1.4511969949074E+15
Volume
4.1586594321135E+22
Surface area
5.8047879796295E+15
Circumference
135041768.6216
Perimeter
85970260
Area
461930350279225
Diagonal
30395076.913185
Surface area
2771582101675350
Volume
9.928068078849E+21
Space diagonal
37226214.564977
Perimeter
64477695
Area
2.0002170906043E+14
Altitude
18613107.282488
Surface area
2.0002170906043E+14
Volume
1.1700340437726E+21
Height
10131692.304395