20391750 is an even 8-digits composite number following 20391749
and preceding 20391751 . In scientific notation, it is written as 2.0391750 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5054400 positive integers (up to 20391750) that are relatively prime to 20391750.
20391750 has 32 divisors, whose sum is 39591936
The reverse of 20391750 is 05719302
Previous prime number is 95
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million three hundred ninety-one thousand seven hundred fifty
Scientific notation
2.0391750 × 10^7
Engineering notation
2.0391750 × 10^6
Prime Factorization
2 × 1431 × 15 × 95 × 5
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20391750
Product of the distinct prime numbers
The prime factorization of 20391750 is 2 × 1431 × 15 × 95 × 5.
Since it has a total of 5 prime factors.
4 , 6 , 94 , 17 , 348 , 86 , 8768 , 3506 , 65967 , 24177 , 96943 , 840856 , 3423334 , 8334736 , 63047524 , 41233739 , 97237414 , 490635993 , 9473172302 , 3166987036
n×2
40783500
n×3
61175250
n×4
81567000
n×5
101958750
n÷2
10195875
n÷3
6797250
n÷3
5097937.5
n÷5
4078350
n2
415823468062500
n3
8.4793682048635E+21
n4
1.7290915659152E+29
n5
3.5259202939252E+36
2 √n
4515.7225335488
3 √n
273.20260289474
4 √n
67.199125987983
5 √n
28.966158290121
1 , 2 , 5 , 10 , 15 , 30 , 75 , 95 , 150 , 190 , 475 , 950 , 1425 , 1431 , 2850 , 2862 , 7125 , 7155 , 14250 , 14310 , 21465 , 42930 , 107325 , 135945 , 214650 , 271890 , 679725 , 1359450 , 2039175 , 4078350 , 10195875 , 20391750
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
-20391749
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 20391750 can be divided by 32 positive divisors.
The sum of these divisors (counting 20391750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110010011101000110
3
Ternary
1102101000020000
4
Quaternary
1031302131012
5
Quinary
20210014000
6
Senary
2005022130
8
Octal
115623506
10
Decimal
20391750
12
Duodecimal
69b4946
16
Hexadecimal
1372746
20
Vigesimal
678j7a
36
Base36
c52di
md5
ba3c44cdc7a0ef4e2ebe6a530898d9fa
sha1
a57c7c758b31c169a9a3c7f2a47ab08a9981cf25
sha256
3e984430e2dc3c93636b27bdaaa5c60b30d66aad1cb71d9b302f64ffc6c9dfd6
sha512
1d3ff9895fcf7855d53ccc9e7957a0eb1589a69dee0c36d2d22b3da9d3de5821bf8e57309fa43448c85f97a680e8dc8d689cf846c30a559f95b1c14f5ecf2766
ripemd-160
7552803f0e23515835f30f614c26a35aca67f3f2
Diameter
40783500
Circumference
128125143.98768
Area
1.3063479524554E+15
Volume
3.5518294479309E+22
Surface area
5.2253918098215E+15
Circumference
128125143.98768
Perimeter
81567000
Area
415823468062500
Diagonal
28838289.410522
Surface area
2494940808375000
Volume
8.4793682048635E+21
Space diagonal
35319547.055243
Perimeter
61175250
Area
1.8005684341594E+14
Altitude
17659773.527621
Surface area
1.8005684341594E+14
Volume
9.993031263061E+20
Height
9612763.1368405