20447731 is an odd 8-digits composite number following 20447730
and preceding 20447732 . In scientific notation, it is written as 2.0447731 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20408112 positive integers (up to 20447731) that are relatively prime to 20447731.
20447731 has 4 divisors, whose sum is 20487352
The reverse of 20447731 is 13774402
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred forty-seven thousand seven hundred thirty-one
Scientific notation
2.0447731 × 10^7
Engineering notation
2.0447731 × 10^6
Prime Factorization
523 × 39097
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20447731
Product of the distinct prime numbers
The prime factorization of 20447731 is 523 × 39097.
Since it has a total of 2 prime factors.
2 , 4 , 4 , 40 , 252 , 892 , 2009 , 3681 , 12348 , 54626 , 685025 , 494196 , 1829453 , 6972222 , 36231151 , 60220884 , 702320791 , 331984811 , 146178657 , 6242083246
n×2
40895462
n×3
61343193
n×4
81790924
n×5
102238655
n÷2
10223865.5
n÷3
6815910.3333333
n÷3
5111932.75
n÷5
4089546.2
n2
418109703048361
n3
8.5493947364228E+21
n4
1.7481572378319E+29
n5
3.5745848944889E+36
2 √n
4521.9167396139
3 √n
273.45238006207
4 √n
67.245198636139
5 √n
28.982044879435
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20447730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20447731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20447731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000000111110011
3
Ternary
1102110212000101
4
Quaternary
1032000013303
5
Quinary
20213311411
6
Senary
2010133231
8
Octal
116000763
10
Decimal
20447731
12
Duodecimal
6a21217
16
Hexadecimal
13801f3
20
Vigesimal
67fj6b
36
Base36
c69kj
md5
d2acc30fa19565add048a83abe49453f
sha1
85991741ec6edf1d18e448f3a5c20585b729db9b
sha256
19d5a49f0f0f8088b62c5706d2f2ba0c1c9abb1f97f6db9c613d9be8ef2f3e84
sha512
b40d97c93351706b5100d08639653168ec4d21b929dad2024f79793ff4439442c9b6ff88a1b777563ce4ed8bc23ad560f541e40bb5d8d9a32dc9f762c243c9da
ripemd-160
8118ad18930aae95c8aff40b9924656a33e59741
Diameter
40895462
Circumference
128476882.98436
Area
1.3135303714913E+15
Volume
3.581162092878E+22
Surface area
5.2541214859654E+15
Circumference
128476882.98436
Perimeter
81790924
Area
418109703048361
Diagonal
28917458.499957
Surface area
2508658218290166
Volume
8.5493947364228E+21
Space diagonal
35416508.991501
Perimeter
61343193
Area
1.8104681220432E+14
Altitude
17708254.495751
Surface area
1.8104681220432E+14
Volume
1.0075558321942E+21
Height
9639152.8333189