20081982 is an even 8-digits composite number following 20081981
and preceding 20081983 . In scientific notation, it is written as 2.0081982 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6684120 positive integers (up to 20081982) that are relatively prime to 20081982.
20081982 has 16 divisors, whose sum is 40223232
The reverse of 20081982 is 28918002
Previous prime number is 4127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eighty-one thousand nine hundred eighty-two
Scientific notation
2.0081982 × 10^7
Engineering notation
2.0081982 × 10^6
Prime Factorization
2 × 3 × 4127 × 811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081982
Product of the distinct prime numbers
The prime factorization of 20081982 is 2 × 3 × 4127 × 811.
Since it has a total of 4 prime factors.
7 , 2 , 33 , 12 , 957 , 199 , 8757 , 9700 , 29683 , 91144 , 3895 , 772089 , 3887368 , 2664618 , 92573755 , 64789376 , 629015582 , 161030028 , 769911675 , 2089144226
n×2
40163964
n×3
60245946
n×4
80327928
n×5
100409910
n÷2
10040991
n÷3
6693994
n÷3
5020495.5
n÷5
4016396.4
n2
403286001048324
n3
8.0987822139044E+21
n4
1.6263959864155E+29
n5
3.2661254924068E+36
2 √n
4481.2924474977
3 √n
271.81214501514
4 √n
66.942456240399
5 √n
28.877614512178
1 , 2 , 3 , 6 , 811 , 1622 , 2433 , 4127 , 4866 , 8254 , 12381 , 24762 , 3346997 , 6693994 , 10040991 , 20081982
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081982 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110110100111110
3
Ternary
1101210021022010
4
Quaternary
1030212310332
5
Quinary
20120110412
6
Senary
1554232050
8
Octal
114466476
10
Decimal
20081982
12
Duodecimal
6885626
16
Hexadecimal
1326d3e
20
Vigesimal
65a4j2
36
Base36
byfcu
md5
fbf9464012a0e01de7620d7cfb7ed9da
sha1
c4029a41f65e1fee8aa6d40ff9711c1f9d83a3bb
sha256
565ef4834f8ad76722c522c70686da55a72aa2bfef199b41d1e47e72e6586233
sha512
34c9829ba3f1b1b0c86d8c4ae201928c4c2098bcabee530c3ab15ec0616db03df8c9fc3ec7a6c91bae055ee605d53ec123b6c662a07aef2383515d4b04f31a73
ripemd-160
143a3a18526f9b4d33ac82a2e7a9de52704e4e73
Diameter
40163964
Circumference
126178814.24144
Area
1.266960338189E+15
Volume
3.3924099608301E+22
Surface area
5.0678413527561E+15
Circumference
126178814.24144
Perimeter
80327928
Area
403286001048324
Diagonal
28400211.303732
Surface area
2419716006289944
Volume
8.0987822139044E+21
Space diagonal
34783013.140684
Perimeter
60245946
Area
1.7462796094924E+14
Altitude
17391506.570342
Surface area
1.7462796094924E+14
Volume
9.5445063713414E+20
Height
9466737.1012441