20388539 is an odd 8-digits composite number following 20388538
and preceding 20388540 . In scientific notation, it is written as 2.0388539 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 19277352 positive integers (up to 20388539) that are relatively prime to 20388539.
20388539 has 8 divisors, whose sum is 21504000
The reverse of 20388539 is 93588302
Previous prime number is 839
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eighty-eight thousand five hundred thirty-nine
Scientific notation
2.0388539 × 10^7
Engineering notation
2.0388539 × 10^6
Prime Factorization
19 × 839 × 1279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20388539
Product of the distinct prime numbers
The prime factorization of 20388539 is 19 × 839 × 1279.
Since it has a total of 3 prime factors.
7 , 10 , 10 , 98 , 675 , 856 , 1693 , 5271 , 67915 , 84417 , 887290 , 201220 , 3091678 , 4965837 , 42272218 , 32433392 , 766573599 , 217684355 , 5497666455 , 6035782085
n×2
40777078
n×3
61165617
n×4
81554156
n×5
101942695
n÷2
10194269.5
n÷3
6796179.6666667
n÷3
5097134.75
n÷5
4077707.8
n2
415692522554521
n3
8.4753632081112E+21
n4
1.7280027330774E+29
n5
3.5231451115455E+36
2 √n
4515.3669839782
3 √n
273.18826213426
4 √n
67.196480443385
5 √n
28.965245997717
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
-20388538
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 20388539 can be divided by 8 positive divisors.
The sum of these divisors (counting 20388539) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001101010111011
3
Ternary
1102100211211002
4
Quaternary
1031301222323
5
Quinary
20204413124
6
Senary
2004555215
8
Octal
115615273
10
Decimal
20388539
12
Duodecimal
69b2b0b
16
Hexadecimal
1371abb
20
Vigesimal
678b6j
36
Base36
c4zwb
md5
fde40584aa176d7f089d58e8be718218
sha1
93beec868736a9dfafa5b3fbc7b31fea71f9472b
sha256
5aac303043df6ce598955c26bedfe7318c74d4706a73b0af9b8dd926d58042a9
sha512
351372465f1d53188784fcacc61ac862cb7a90ad7703da9db73a6bacbd07dd317045bd8af8b7c7fe5c258e60adba14ca18f1d81165509093df17199391d7f133
ripemd-160
cb1dcd6640b09fb95e97ec57eeea7a6e701412b9
Diameter
40777078
Circumference
128104968.67966
Area
1.3059365750095E+15
Volume
3.5501518388143E+22
Surface area
5.223746300038E+15
Circumference
128104968.67966
Perimeter
81554156
Area
415692522554521
Diagonal
28833748.370773
Surface area
2494155135327126
Volume
8.4753632081112E+21
Space diagonal
35313985.4401
Perimeter
61165617
Area
1.8000014234773E+14
Altitude
17656992.72005
Surface area
1.8000014234773E+14
Volume
9.988311329124E+20
Height
9611249.4569243