20388549 is an odd 8-digits composite number following 20388548
and preceding 20388550 . In scientific notation, it is written as 2.0388549 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13540160 positive integers (up to 20388549) that are relatively prime to 20388549.
20388549 has 8 divisors, whose sum is 27289152
The reverse of 20388549 is 94588302
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred eighty-eight thousand five hundred forty-nine
Scientific notation
2.0388549 × 10^7
Engineering notation
2.0388549 × 10^6
Prime Factorization
3 × 263 × 25841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20388549
Product of the distinct prime numbers
The prime factorization of 20388549 is 3 × 263 × 25841.
Since it has a total of 3 prime factors.
10 , 2 , 5 , 54 , 493 , 408 , 2799 , 863 , 1058 , 15130 , 870986 , 539363 , 1414968 , 63367 , 56197888 , 39646506 , 855305902 , 188715884 , 5430160713 , 8059701717
n×2
40777098
n×3
61165647
n×4
81554196
n×5
101942745
n÷2
10194274.5
n÷3
6796183
n÷3
5097137.25
n÷5
4077709.8
n2
415692930325401
n3
8.475375678893E+21
n4
1.7280061232252E+29
n5
3.5231537515677E+36
2 √n
4515.3680913077
3 √n
273.18830679795
4 √n
67.196488682875
5 √n
28.965248839042
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
-20388548
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 20388549 can be divided by 8 positive divisors.
The sum of these divisors (counting 20388549) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001101011000101
3
Ternary
1102100211211110
4
Quaternary
1031301223011
5
Quinary
20204413144
6
Senary
2004555233
8
Octal
115615305
10
Decimal
20388549
12
Duodecimal
69b2b19
16
Hexadecimal
1371ac5
20
Vigesimal
678b79
36
Base36
c4zwl
md5
2dbe61233dfb6c4acb24ace50a22f88d
sha1
e008c59e967742b3a8701d7c760a46664d67956d
sha256
968c2a56da5bca9eea918fe422122e82f894544d3afa428b9f0c0b2d7f103ffc
sha512
d9540b5b6b2c2c11429ae30c65ebf2620f1ba86f57f371a74a012b11d471dca59d47f54ef6a3409ec4d8c3c73d0579e1afa914f99dddf7cfb43fc16d0acc8630
ripemd-160
804152bc9b84b067c3c8112b5ee8dacc07e95f8b
Diameter
40777098
Circumference
128105031.51151
Area
1.3059378560595E+15
Volume
3.5501570625632E+22
Surface area
5.223751424238E+15
Circumference
128105031.51151
Perimeter
81554196
Area
415692930325401
Diagonal
28833762.512908
Surface area
2494157581952406
Volume
8.475375678893E+21
Space diagonal
35314002.760608
Perimeter
61165647
Area
1.800003189177E+14
Altitude
17657001.380304
Surface area
1.800003189177E+14
Volume
9.9883260260813E+20
Height
9611254.1709695