20291447 is an odd 8-digits composite number following 20291446
and preceding 20291448 . In scientific notation, it is written as 2.0291447 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 18446760 positive integers (up to 20291447) that are relatively prime to 20291447.
20291447 has 4 divisors, whose sum is 22136136
The reverse of 20291447 is 74419202
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred ninety-one thousand four hundred forty-seven
Scientific notation
2.0291447 × 10^7
Engineering notation
2.0291447 × 10^6
Prime Factorization
11 × 1844677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20291447
Product of the distinct prime numbers
The prime factorization of 20291447 is 11 × 1844677.
Since it has a total of 2 prime factors.
6 , 10 , 66 , 83 , 490 , 924 , 2598 , 5466 , 22401 , 11644 , 222890 , 476862 , 8695567 , 9370466 , 71806977 , 50607359 , 812639767 , 377868350 , 3863061060 , 2026646536
n×2
40582894
n×3
60874341
n×4
81165788
n×5
101457235
n÷2
10145723.5
n÷3
6763815.6666667
n÷3
5072861.75
n÷5
4058289.4
n2
411742821353809
n3
8.3548576371313E+21
n4
1.6953215093639E+29
n5
3.4400526555219E+36
2 √n
4504.6028681783
3 √n
272.75392317682
4 √n
67.116338310268
5 √n
28.937606293108
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
-20291446
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 20291447 can be divided by 4 positive divisors.
The sum of these divisors (counting 20291447) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011001111101110111
3
Ternary
1102011220122002
4
Quaternary
1031121331313
5
Quinary
20143311242
6
Senary
2002525515
8
Octal
115317567
10
Decimal
20291447
12
Duodecimal
696689b
16
Hexadecimal
1359f77
20
Vigesimal
66g8c7
36
Base36
c2wzb
md5
6c6eb1981e7ff8ebb88b48ac1b4e90a8
sha1
76d06b72128e0a878ac8df68c904e2251fd24078
sha256
3480eb3c5e0c2fd8e6b5c5d639a0738232252b8794f432e6d07c7337ad16fd9f
sha512
8381a7ed5b5b1d3aeef8582a0f31f63150f0aa269b232f2e6c0a521c941e95507e26318110277e92144acf320f4abdd8e6dfbf01ea499d2c534ff3e2c2dabb72
ripemd-160
f01130e6f95b906fdcb10ca3f2849a66d0c6a943
Diameter
40582894
Circumference
127494921.65181
Area
1.2935282227335E+15
Volume
3.49967458328E+22
Surface area
5.1741128909338E+15
Circumference
127494921.65181
Perimeter
81165788
Area
411742821353809
Diagonal
28696439.547575
Surface area
2470456928122854
Volume
8.3548576371313E+21
Space diagonal
35145817.163091
Perimeter
60874341
Area
1.7828987155914E+14
Altitude
17572908.581546
Surface area
1.7828987155914E+14
Volume
9.8462941517729E+20
Height
9565479.8491916