20182990 is an even 8-digits composite number following 20182989
and preceding 20182991 . In scientific notation, it is written as 2.0182990 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8073192 positive integers (up to 20182990) that are relatively prime to 20182990.
20182990 has 8 divisors, whose sum is 36329400
The reverse of 20182990 is 09928102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-two thousand nine hundred ninety
Scientific notation
2.0182990 × 10^7
Engineering notation
2.0182990 × 10^6
Prime Factorization
2 × 5 × 2018299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20182990
Product of the distinct prime numbers
The prime factorization of 20182990 is 2 × 5 × 2018299.
Since it has a total of 3 prime factors.
4 , 2 , 94 , 82 , 11 , 514 , 791 , 1508 , 54049 , 9288 , 301262 , 822179 , 1995586 , 305044 , 35845934 , 7363755 , 569362564 , 687525641 , 2388803711 , 7681261162
n×2
40365980
n×3
60548970
n×4
80731960
n×5
100914950
n÷2
10091495
n÷3
6727663.3333333
n÷3
5045747.5
n÷5
4036598
n2
407353085340100
n3
8.2216032478884E+21
n4
1.659365361361E+29
n5
3.3490954494695E+36
2 √n
4492.5482746432
3 √n
272.26710173722
4 √n
67.026474430953
5 √n
28.90660586618
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20182989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20182990 can be divided by 8 positive divisors.
The sum of these divisors (counting 20182990) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111011111001110
3
Ternary
1101222101212011
4
Quaternary
1030333133032
5
Quinary
20131323430
6
Senary
2000331434
8
Octal
114773716
10
Decimal
20182990
12
Duodecimal
6913b7a
16
Hexadecimal
133f7ce
20
Vigesimal
662h9a
36
Base36
c0lam
md5
a66a60ad2085c371109b60ec28fade81
sha1
e69923c78660dd0cbc10a15ced9caae08cc1682a
sha256
afa428510ca45e9b866e6d8518da5d98202a22bd1ee9b2832406a8b0cd5d7185
sha512
9e4fa26237d5630910a842dbd0898e72ea01a9e7d101d400f898f281fc6169d9d2e7f6f661171cebcdad85bc778c92b0990fc5f3e0d7f256663a53cbc54098d7
ripemd-160
37e7cd009975deb89fcdbfcf250ac34b241e650a
Diameter
40365980
Circumference
126813466.22295
Area
1.2797374603216E+15
Volume
3.4438571152395E+22
Surface area
5.1189498412864E+15
Circumference
126813466.22295
Perimeter
80731960
Area
407353085340100
Diagonal
28543058.187241
Surface area
2444118512040600
Volume
8.2216032478884E+21
Space diagonal
34957964.128655
Perimeter
60548970
Area
1.7638906010725E+14
Altitude
17478982.064327
Surface area
1.7638906010725E+14
Volume
9.689252348012E+20
Height
9514352.7290802