20008081 is an odd 8-digits composite number following 20008080
and preceding 20008082 . In scientific notation, it is written as 2.0008081 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19993572 positive integers (up to 20008081) that are relatively prime to 20008081.
20008081 has 4 divisors, whose sum is 20022592
The reverse of 20008081 is 18080002
Previous prime number is 12967
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million eight thousand eighty-one
Scientific notation
2.0008081 × 10^7
Engineering notation
2.0008081 × 10^6
Prime Factorization
12967 × 1543
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20008081
Product of the distinct prime numbers
The prime factorization of 20008081 is 12967 × 1543.
Since it has a total of 2 prime factors.
2 , 8 , 29 , 50 , 442 , 160 , 9894 , 9344 , 89284 , 5155 , 648525 , 161491 , 3586006 , 369390 , 91816526 , 15267436 , 826387221 , 391213353 , 8048114363 , 3610086838
n×2
40016162
n×3
60024243
n×4
80032324
n×5
100040405
n÷2
10004040.5
n÷3
6669360.3333333
n÷3
5002020.25
n÷5
4001616.2
n2
400323305302561
n3
8.0097011186814E+21
n4
1.6025874876837E+29
n5
3.2064700263161E+36
2 √n
4473.0393470212
3 √n
271.47831541802
4 √n
66.880784587363
5 √n
28.856329432976
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
-20008080
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 20008081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20008081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010100110010010001
3
Ternary
1101122111221001
4
Quaternary
1030110302101
5
Quinary
20110224311
6
Senary
1552502001
8
Octal
114246221
10
Decimal
20008081
12
Duodecimal
684a901
16
Hexadecimal
1314c91
20
Vigesimal
651041
36
Base36
bwuc1
md5
1a594118a4241287814d54957e489b37
sha1
d7458df9c95645a16c742073da69fdf1b470dd28
sha256
6e3ddcdb652762e81d8c80d830a1bed95db651017f2253a2e2c51a391b56b3f3
sha512
08d3ac94e82665a5075b720735a522dec05d3886106e2236466c3fe4d2f0de44d2f9e79091ec41a0be4e46a1f1e3fddc2b368a2a6ca86965d8b499513eb6ad10
ripemd-160
e2497c7467500b2d2f0674438c27df216bea623f
Diameter
40016162
Circumference
125714480.56406
Area
1.2576527549993E+15
Volume
3.3550957589199E+22
Surface area
5.0306110199972E+15
Circumference
125714480.56406
Perimeter
80032324
Area
400323305302561
Diagonal
28295699.507259
Surface area
2401939831815366
Volume
8.0097011186814E+21
Space diagonal
34655012.853954
Perimeter
60024243
Area
1.7334507605949E+14
Altitude
17327506.426977
Surface area
1.7334507605949E+14
Volume
9.4395232938285E+20
Height
9431899.8357531