21395265 is an odd 8-digits composite number following 21395264
and preceding 21395266 . In scientific notation, it is written as 2.1395265 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10739456 positive integers (up to 21395265) that are relatively prime to 21395265.
21395265 has 8 divisors, whose sum is 24164352
The reverse of 21395265 is 56259312
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred ninety-five thousand two hundred sixty-five
Scientific notation
2.1395265 × 10^7
Engineering notation
2.1395265 × 10^6
Prime Factorization
15 × 17 × 83903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21395265
Product of the distinct prime numbers
The prime factorization of 21395265 is 15 × 17 × 83903.
Since it has a total of 3 prime factors.
3 , 1 , 27 , 52 , 27 , 725 , 5872 , 6291 , 31237 , 31063 , 554929 , 196272 , 178143 , 9819684 , 47363123 , 705281 , 31266680 , 758397683 , 1048608713 , 5612810987
n×2
42790530
n×3
64185795
n×4
85581060
n×5
106976325
n÷2
10697632.5
n÷3
7131755
n÷3
5348816.25
n÷5
4279053
n2
457757364420225
n3
9.7938401174723E+21
n4
2.0954180468095E+29
n5
4.4832024397272E+36
2 √n
4625.5015944219
3 √n
277.61263182117
4 √n
68.011040239228
5 √n
29.245801905109
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21395264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21395265 can be divided by 8 positive divisors.
The sum of these divisors (counting 21395265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100111011101000001
3
Ternary
1111020222210020
4
Quaternary
1101213131001
5
Quinary
20434122030
6
Senary
2042324053
8
Octal
121473501
10
Decimal
21395265
12
Duodecimal
71b9629
16
Hexadecimal
1467741
20
Vigesimal
6de835
36
Base36
cqkox
md5
8f5a335dfd97e38a41488c1eb7451da5
sha1
392c0de0de84f3e9719a3c04242b78425aedcf94
sha256
c03f09a08239c82e73ae89925891e24cc84876e9867c1dda0613d95157c6722e
sha512
08e6790d0b392092bae84cf1dd51515367aac24eb7fe4d7941ceea59539c8440cadce4b1d26805eb3ac39284bbe2452784729dfb5632f152891acf6016a2f615
ripemd-160
85f58af8617ad6d1f7ac1a977e682f1bbf180e60
Diameter
42790530
Circumference
134430414.69121
Area
1.4380871731892E+15
Volume
4.1024341551312E+22
Surface area
5.7523486927568E+15
Circumference
134430414.69121
Perimeter
85581060
Area
457757364420225
Diagonal
30257473.933566
Surface area
2746544186521350
Volume
9.7938401174723E+21
Space diagonal
37057686.0214
Perimeter
64185795
Area
1.9821475317866E+14
Altitude
18528843.0107
Surface area
1.9821475317866E+14
Volume
1.1542151268203E+21
Height
10085824.644522