20291745 is an odd 8-digits composite number following 20291744
and preceding 20291746 . In scientific notation, it is written as 2.0291745 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10822256 positive integers (up to 20291745) that are relatively prime to 20291745.
20291745 has 4 divisors, whose sum is 21644544
The reverse of 20291745 is 54719202
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred ninety-one thousand seven hundred forty-five
Scientific notation
2.0291745 × 10^7
Engineering notation
2.0291745 × 10^6
Prime Factorization
15 × 1352783
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20291745
Product of the distinct prime numbers
The prime factorization of 20291745 is 15 × 1352783.
Since it has a total of 2 prime factors.
1 , 5 , 54 , 96 , 174 , 947 , 8564 , 3199 , 48305 , 21532 , 913313 , 858053 , 3541264 , 530966 , 80733507 , 65996961 , 156096969 , 904252479 , 1314398988 , 4731805447
n×2
40583490
n×3
60875235
n×4
81166980
n×5
101458725
n÷2
10145872.5
n÷3
6763915
n÷3
5072936.25
n÷5
4058349
n2
411754915145025
n3
8.3552257406195E+21
n4
1.6954211014609E+29
n5
3.4403052658463E+36
2 √n
4504.6359453345
3 √n
272.7552583908
4 √n
67.116584726389
5 √n
28.937691288092
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
-20291744
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 20291745 can be divided by 4 positive divisors.
The sum of these divisors (counting 20291745) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011010000010100001
3
Ternary
1102011221001010
4
Quaternary
1031122002201
5
Quinary
20143313440
6
Senary
2002531133
8
Octal
115320241
10
Decimal
20291745
12
Duodecimal
6966aa9
16
Hexadecimal
135a0a1
20
Vigesimal
66g975
36
Base36
c2x7l
md5
735a16c38a85717b7ca7231c75f68308
sha1
74a64f2b7e3c21c51a961e016ee287d2542cd434
sha256
bfda98e8c63a9687c02ab0b3dc10458948c88d0eeb6d1c653173607901dc9306
sha512
f809a2aef79913d6034e5206387ba023fa2200842167bde068abb774e4f001157220f375f2c368374d00d130878532a1b59437ee0fa71a378ddf258fcfb74313
ripemd-160
e5825362d0565852326870b7bad0ed786234d950
Diameter
40583490
Circumference
127496794.04103
Area
1.2935662164991E+15
Volume
3.4998287741086E+22
Surface area
5.1742648659964E+15
Circumference
127496794.04103
Perimeter
81166980
Area
411754915145025
Diagonal
28696860.983216
Surface area
2470529490870150
Volume
8.3552257406195E+21
Space diagonal
35146333.314232
Perimeter
60875235
Area
1.7829510832435E+14
Altitude
17573166.657116
Surface area
1.7829510832435E+14
Volume
9.8467279658941E+20
Height
9565620.3277388