20081081 is an odd 8-digits composite number following 20081080
and preceding 20081082 . In scientific notation, it is written as 2.0081081 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18930240 positive integers (up to 20081081) that are relatively prime to 20081081.
20081081 has 8 divisors, whose sum is 21242400
The reverse of 20081081 is 18018002
Previous prime number is 5009
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eighty-one thousand eighty-one
Scientific notation
2.0081081 × 10^7
Engineering notation
2.0081081 × 10^6
Prime Factorization
19 × 5009 × 211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081081
Product of the distinct prime numbers
The prime factorization of 20081081 is 19 × 5009 × 211.
Since it has a total of 3 prime factors.
8 , 8 , 13 , 75 , 351 , 7 , 9337 , 5126 , 42116 , 19096 , 779543 , 146061 , 4389823 , 281529 , 24948538 , 54270197 , 368466886 , 326238169 , 4513967151 , 212848087
n×2
40162162
n×3
60243243
n×4
80324324
n×5
100405405
n÷2
10040540.5
n÷3
6693693.6666667
n÷3
5020270.25
n÷5
4016216.2
n2
403249814128561
n3
8.0976921807506E+21
n4
1.6261041259472E+29
n5
3.265392866758E+36
2 √n
4481.1919173363
3 √n
271.80807990501
4 √n
66.941705366209
5 √n
28.8773553824
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
-20081080
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 20081081 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110100110111001
3
Ternary
1101210020001202
4
Quaternary
1030212212321
5
Quinary
20120043311
6
Senary
1554223545
8
Octal
114464671
10
Decimal
20081081
12
Duodecimal
6884bb5
16
Hexadecimal
13269b9
20
Vigesimal
65a2e1
36
Base36
byent
md5
363e0f11e5d8a3a9fa1026a19ee19de2
sha1
ddbec159b9c15b55d2d09d4e4e13805237d35090
sha256
454437bea316bd91508a3b141180677722a3c68bfda7ddf420ca53390c0f6f5c
sha512
15af2f4198a4469be9316cab44f44cc97d2c1c8e06ca83a816b831c5293fb7aecc2a295e418fa88d8bcd1f4776d1202c40f5b104b6618a29c21dd189cd34f8eb
ripemd-160
abcb1b5e1571907c8e8c85b78555c65a51b2158d
Diameter
40162162
Circumference
126173153.09148
Area
1.2668466536277E+15
Volume
3.3919533688103E+22
Surface area
5.0673866145109E+15
Circumference
126173153.09148
Perimeter
80324324
Area
403249814128561
Diagonal
28398937.097313
Surface area
2419498884771366
Volume
8.0976921807506E+21
Space diagonal
34781452.562906
Perimeter
60243243
Area
1.7461229155334E+14
Altitude
17390726.281453
Surface area
1.7461229155334E+14
Volume
9.54322175495E+20
Height
9466312.3657709