20387265 is an odd 8-digits composite number following 20387264
and preceding 20387266 . In scientific notation, it is written as 2.0387265 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10800000 positive integers (up to 20387265) that are relatively prime to 20387265.
20387265 has 8 divisors, whose sum is 21892864
The reverse of 20387265 is 56278302
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million three hundred eighty-seven thousand two hundred sixty-five
Scientific notation
2.0387265 × 10^7
Engineering notation
2.0387265 × 10^6
Prime Factorization
15 × 151 × 9001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20387265
Product of the distinct prime numbers
The prime factorization of 20387265 is 15 × 151 × 9001.
Since it has a total of 3 prime factors.
3 , 6 , 94 , 85 , 36 , 769 , 9672 , 7407 , 88659 , 27889 , 986882 , 541938 , 2303231 , 9416948 , 46918416 , 36130636 , 850355289 , 915209923 , 6087445728 , 5611115231
n×2
40774530
n×3
61161795
n×4
81549060
n×5
101936325
n÷2
10193632.5
n÷3
6795755
n÷3
5096816.25
n÷5
4077453
n2
415640574180225
n3
8.4737745305644E+21
n4
1.7275708690487E+29
n5
3.5220445113576E+36
2 √n
4515.2259079696
3 √n
273.18257186066
4 √n
67.195430707524
5 √n
28.964884003699
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
-20387264
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 20387265 can be divided by 8 positive divisors.
The sum of these divisors (counting 20387265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001010111000001
3
Ternary
1102100210001220
4
Quaternary
1031301113001
5
Quinary
20204343030
6
Senary
2004545253
8
Octal
115612701
10
Decimal
20387265
12
Duodecimal
69b2229
16
Hexadecimal
13715c1
20
Vigesimal
678835
36
Base36
c4ywx
md5
92a35ff4a23f8ba1328cbfc7d93c887d
sha1
d02c3c68ed11c1d7c09bb56dbcfee836fc7aeb82
sha256
bcb612d188f38440f8439405709069c1a4c0b03308c92d122dfe97798429c169
sha512
734746bb540dbab7c16726864e743a6eb2c8ea806c0c6f5b68928c503bcd9436d2342e1d2b2af7da0018df65857a18b94c61eff8a272032099dbba820c83694a
ripemd-160
5bfb6aacae4b2a0ee66a321a1691712a7d85a002
Diameter
40774530
Circumference
128096963.90158
Area
1.3057733743784E+15
Volume
3.5494863751197E+22
Surface area
5.2230934975138E+15
Circumference
128096963.90158
Perimeter
81549060
Area
415640574180225
Diagonal
28831946.662694
Surface area
2493843445081350
Volume
8.4737745305644E+21
Space diagonal
35311778.807371
Perimeter
61161795
Area
1.7997764804181E+14
Altitude
17655889.403685
Surface area
1.7997764804181E+14
Volume
9.9864390546799E+20
Height
9610648.8875648