20992471 is an odd 8-digits composite number following 20992470
and preceding 20992472 . In scientific notation, it is written as 2.0992471 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20504232 positive integers (up to 20992471) that are relatively prime to 20992471.
20992471 has 4 divisors, whose sum is 21480712
The reverse of 20992471 is 17429902
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million nine hundred ninety-two thousand four hundred seventy-one
Scientific notation
2.0992471 × 10^7
Engineering notation
2.0992471 × 10^6
Prime Factorization
43 × 488197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20992471
Product of the distinct prime numbers
The prime factorization of 20992471 is 43 × 488197.
Since it has a total of 2 prime factors.
3 , 10 , 70 , 19 , 32 , 80 , 403 , 9600 , 61451 , 58137 , 258641 , 243200 , 604991 , 9003762 , 87329590 , 52334200 , 43245655 , 684767215 , 4074006646 , 2403524517
n×2
41984942
n×3
62977413
n×4
83969884
n×5
104962355
n÷2
10496235.5
n÷3
6997490.3333333
n÷3
5248117.75
n÷5
4198494.2
n2
440683838685841
n3
9.2510427037812E+21
n4
1.9420224567889E+29
n5
4.0767850105489E+36
2 √n
4581.7541400647
3 √n
275.85944236346
4 √n
67.688655918586
5 √n
29.134845029121
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
-20992470
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 20992471 can be divided by 4 positive divisors.
The sum of these divisors (counting 20992471) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000101000111010111
3
Ternary
1110111112020221
4
Quaternary
1100011013113
5
Quinary
20333224341
6
Senary
2025535211
8
Octal
120050727
10
Decimal
20992471
12
Duodecimal
7044507
16
Hexadecimal
14051d7
20
Vigesimal
6b413b
36
Base36
chxw7
md5
5edcf3d567d97582e98b9e3194531e8c
sha1
5bef62b4e1e9818ce90236cf984a937ba3c9d1a3
sha256
a56a34f2f1f9333ba2ebaba82a797499863f944ab447101dac79efeb0e472c4d
sha512
bdc7b6d5eb1db6797d671214ea1c84080e1bc10003741c507bd6a6583d2302e184f648be2cd26fcee67f700b01662b74c928280ba4de4c44c94048272db967ca
ripemd-160
419461abb5a68ed552c2f9a3a7522a2baae4bcd6
Diameter
41984942
Circumference
131899585.34859
Area
1.3844491101712E+15
Volume
3.8750677061659E+22
Surface area
5.5377964406848E+15
Circumference
131899585.34859
Perimeter
83969884
Area
440683838685841
Diagonal
29687837.195924
Surface area
2644103032115046
Volume
9.2510427037812E+21
Space diagonal
36360026.348416
Perimeter
62977413
Area
1.9082169966959E+14
Altitude
18180013.174208
Surface area
1.9082169966959E+14
Volume
1.0902458381483E+21
Height
9895945.7319746