20387008 is an even 8-digits composite number following 20387007
and preceding 20387009 . In scientific notation, it is written as 2.0387008 × 10^7.
The sum of its digits is 28. It has a total of 8 prime factors and 28 positive divisors.
There are 10099712 positive integers (up to 20387008) that are relatively prime to 20387008.
20387008 has 28 divisors, whose sum is 40827960
The reverse of 20387008 is 80078302
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million three hundred eighty-seven thousand eight
Scientific notation
2.0387008 × 10^7
Engineering notation
2.0387008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 113 × 2819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
637094
Product of the distinct prime numbers
The prime factorization of 20387008 is 2 × 2 × 2 × 2 × 2 × 2 × 113 × 2819.
Since it has a total of 8 prime factors.
3 , 3 , 91 , 35 , 64 , 990 , 4658 , 5388 , 48573 , 37081 , 170387 , 149187 , 4809550 , 500834 , 89155753 , 4395137 , 116133704 , 22797282 , 8188245557 , 716839588
n×2
40774016
n×3
61161024
n×4
81548032
n×5
101935040
n÷2
10193504
n÷3
6795669.3333333
n÷3
5096752
n÷5
4077401.6
n2
415630095192064
n3
8.4734540757214E+21
n4
1.7274837602936E+29
n5
3.5218225240977E+36
2 √n
4515.1974486173
3 √n
273.18142395099
4 √n
67.195218941657
5 √n
28.964810977594
1 , 2 , 4 , 8 , 16 , 32 , 64 , 113 , 226 , 452 , 904 , 1808 , 2819 , 3616 , 5638 , 7232 , 11276 , 22552 , 45104 , 90208 , 180416 , 318547 , 637094 , 1274188 , 2548376 , 5096752 , 10193504 , 20387008
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20387007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20387008 can be divided by 28 positive divisors.
The sum of these divisors (counting 20387008) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001101110001010011000000
3
Ternary
1102100202201101
4
Quaternary
1031301103000
5
Quinary
20204341013
6
Senary
2004544144
8
Octal
115612300
10
Decimal
20387008
12
Duodecimal
69b2054
16
Hexadecimal
13714c0
20
Vigesimal
6787a8
36
Base36
c4yps
md5
b23f07a17de7cd8faecdbb3f6a352242
sha1
bbb04caf9c50cd7275d12d5ce995cb9877ef4265
sha256
a18ef8a48bcd3d2e1856dbd3dfe39b291d6b3c4d4560d7d6fdf0945b4054cc0e
sha512
1d574da49373301f948f9781fab11bdbc5e9adc8e4cc7565244365da8adb748096dae810aff98efa5eee6db7f4c81089a4dbf2d403e3ddee5f1c6db816ecf2cd
ripemd-160
a0c6f44a23395fe8f8e432f7f77e73422aea176d
Diameter
40774016
Circumference
128095349.12295
Area
1.3057404536662E+15
Volume
3.5493521433089E+22
Surface area
5.2229618146649E+15
Circumference
128095349.12295
Perimeter
81548032
Area
415630095192064
Diagonal
28831583.209809
Surface area
2493780571152384
Volume
8.4734540757214E+21
Space diagonal
35311333.670313
Perimeter
61161024
Area
1.7997311050684E+14
Altitude
17655666.835157
Surface area
1.7997311050684E+14
Volume
9.9860613950256E+20
Height
9610527.7366029