20181479 is an odd 8-digits prime number following 20181478
and preceding 20181480 . In scientific notation, it is written as 2.0181479 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 20181478 positive integers (up to 20181479) that are relatively prime to 20181479.
20181479 has 2 divisors, whose sum is 20181480
The reverse of 20181479 is 97418102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-one thousand four hundred seventy-nine
Scientific notation
2.0181479 × 10^7
Engineering notation
2.0181479 × 10^6
Prime Factorization
20181479
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20181479
Product of the distinct prime numbers
The prime factorization of 20181479 is 20181479.
Since it has a total of 1 prime factors.
7 , 5 , 100 , 30 , 105 , 851 , 3251 , 5100 , 78313 , 91082 , 256077 , 505969 , 5696910 , 1586214 , 40483806 , 41385833 , 478103309 , 445616203 , 6102821060 , 6351329520
n×2
40362958
n×3
60544437
n×4
80725916
n×5
100907395
n÷2
10090739.5
n÷3
6727159.6666667
n÷3
5045369.75
n÷5
4036295.8
n2
407292094627441
n3
8.2197568545897E+21
n4
1.6588685034601E+29
n5
3.3478419866341E+36
2 √n
4492.3801041319
3 √n
272.2603071401
4 √n
67.025219911104
5 √n
28.906173034478
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20181480
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10090740
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4492.3802154315
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008992
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181479 can be divided by 2 positive divisors.
The sum of these divisors (counting 20181479) is 20181480, the average is 10090740.
Base
System
Value
2
Binary
1001100111111000111100111
3
Ternary
1101222022210012
4
Quaternary
1030333013213
5
Quinary
20131301404
6
Senary
2000320435
8
Octal
114770747
10
Decimal
20181479
12
Duodecimal
691311b
16
Hexadecimal
133f1e7
20
Vigesimal
662ddj
36
Base36
c0k4n
md5
165d8e364fe16d63a72fc73ffb670003
sha1
8ae013987ffaf52bdf063a79cddf2f6ad55072fc
sha256
cc604d877b33648d487ae235fa9d8e145b4a9349a189cf703b9c5e69fa3149a6
sha512
9ecc23afcc6847ce4b17bf5c92a9d0c55ce8c6f6170b13e1b3d93a066aaf3358154bf538e9920d95d61a3c7705ebf7535b2144609f4c2d4a33b0c1868087c6bd
ripemd-160
22e18ac93746bd164b2ab6080e83e33aea11aa80
Diameter
40362958
Circumference
126803972.32995
Area
1.2795458523468E+15
Volume
3.4430836998231E+22
Surface area
5.1181834093871E+15
Circumference
126803972.32995
Perimeter
80725916
Area
407292094627441
Diagonal
28540921.310548
Surface area
2443752567764646
Volume
8.2197568545897E+21
Space diagonal
34955346.999884
Perimeter
60544437
Area
1.7636265035397E+14
Altitude
17477673.499942
Surface area
1.7636265035397E+14
Volume
9.6870763526417E+20
Height
9513640.4368493