20136978 is an even 8-digits composite number following 20136977
and preceding 20136979 . In scientific notation, it is written as 2.0136978 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 6681600 positive integers (up to 20136978) that are relatively prime to 20136978.
20136978 has 32 divisors, whose sum is 44953920
The reverse of 20136978 is 87963102
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred thirty-six thousand nine hundred seventy-eight
Scientific notation
2.0136978 × 10^7
Engineering notation
2.0136978 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 257 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2237442
Product of the distinct prime numbers
The prime factorization of 20136978 is 2 × 3 × 3 × 3 × 257 × 1451.
Since it has a total of 6 prime factors.
6 , 1 , 25 , 25 , 639 , 309 , 5642 , 1970 , 78320 , 78351 , 885605 , 265745 , 2921006 , 988252 , 68039522 , 74363849 , 301445987 , 259827634 , 7136312017 , 3966352242
n×2
40273956
n×3
60410934
n×4
80547912
n×5
100684890
n÷2
10068489
n÷3
6712326
n÷3
5034244.5
n÷5
4027395.6
n2
405497882972484
n3
8.1655019484635E+21
n4
1.6442853309517E+29
n5
3.3110937535096E+36
2 √n
4487.424428333
3 √n
272.06004477453
4 √n
66.988240970584
5 √n
28.893413913158
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 257 , 514 , 771 , 1451 , 1542 , 2313 , 2902 , 4353 , 4626 , 6939 , 8706 , 13059 , 13878 , 26118 , 39177 , 78354 , 372907 , 745814 , 1118721 , 2237442 , 3356163 , 6712326 , 10068489 , 20136978
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20136977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20136978 can be divided by 32 positive divisors.
The sum of these divisors (counting 20136978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100010000010010
3
Ternary
1101220001202000
4
Quaternary
1030310100102
5
Quinary
20123340403
6
Senary
1555334430
8
Octal
114642022
10
Decimal
20136978
12
Duodecimal
68b1416
16
Hexadecimal
1334412
20
Vigesimal
65h28i
36
Base36
bzlsi
md5
57c3e8452944c4351e8626e8748543b5
sha1
a896e17480d5fceef31aaf9694f2b030e827e060
sha256
4fbd5513bc604e19bafd542ec66ab677064628139e7d57813fb41d2df815ecf5
sha512
a29d7f477e5f104a41f7f586a92b853ba139a8ec0d3062188aa24746b0cf03174a64bfd7844dc75f90bfe100c3a2cf98e817e690b98a914a38311ba0d19dbba9
ripemd-160
b0f4ce1966c95c54e1c8d07ac888b9724b0fc39e
Diameter
40273956
Circumference
126524364.3006
Area
1.2739091701926E+15
Volume
3.4203574578888E+22
Surface area
5.0956366807703E+15
Circumference
126524364.3006
Perimeter
80547912
Area
405497882972484
Diagonal
28477987.392809
Surface area
2432987297834904
Volume
8.1655019484635E+21
Space diagonal
34878269.006897
Perimeter
60410934
Area
1.7558573391749E+14
Altitude
17439134.503448
Surface area
1.7558573391749E+14
Volume
9.6231363325842E+20
Height
9492662.4642695