20081031 is an odd 8-digits composite number following 20081030
and preceding 20081032 . In scientific notation, it is written as 2.0081031 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 13376832 positive integers (up to 20081031) that are relatively prime to 20081031.
20081031 has 8 divisors, whose sum is 26795760
The reverse of 20081031 is 13018002
Previous prime number is 2153
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million eighty-one thousand thirty-one
Scientific notation
2.0081031 × 10^7
Engineering notation
2.0081031 × 10^6
Prime Factorization
3 × 2153 × 3109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081031
Product of the distinct prime numbers
The prime factorization of 20081031 is 3 × 2153 × 3109.
Since it has a total of 3 prime factors.
5 , 8 , 29 , 47 , 667 , 24 , 9241 , 5590 , 6662 , 97900 , 855831 , 37023 , 2646456 , 9566773 , 17947370 , 70723786 , 917594640 , 599326198 , 2647478313 , 7668144676
n×2
40162062
n×3
60243093
n×4
80324124
n×5
100405155
n÷2
10040515.5
n÷3
6693677
n÷3
5020257.75
n÷5
4016206.2
n2
403247806022961
n3
8.0976316934291E+21
n4
1.6260879306233E+29
n5
3.2653522143573E+36
2 √n
4481.1863384599
3 √n
271.80785431266
4 √n
66.941663696535
5 √n
28.877341002007
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
-20081030
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 20081031 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081031) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110100110000111
3
Ternary
1101210012222220
4
Quaternary
1030212212013
5
Quinary
20120043111
6
Senary
1554223423
8
Octal
114464607
10
Decimal
20081031
12
Duodecimal
6884b73
16
Hexadecimal
1326987
20
Vigesimal
65a2bb
36
Base36
byemf
md5
6284451f48c10d274daa518d177e76a0
sha1
101b3663e02b487d23a2aea91c8f102e21d95c11
sha256
db4480a727f0f007e808cc9e04a85b6d8535b7f0b71bc2c84a3eae298613700e
sha512
f42f1762d953c8b272110f11375c6e3d4a351d26e8da3a7ea11b35aa2515fcd8d5ecb6e1f4f6086b3fa5fb4278b636fe50205c9cce937ac3a387e39b286af436
ripemd-160
a9d8420e0398f08f49ca056e4e996a0dcf6e34d1
Diameter
40162062
Circumference
126172838.93222
Area
1.2668403449779E+15
Volume
3.3919280319404E+22
Surface area
5.0673613799117E+15
Circumference
126172838.93222
Perimeter
80324124
Area
403247806022961
Diagonal
28398866.386635
Surface area
2419486836137766
Volume
8.0976316934291E+21
Space diagonal
34781365.960366
Perimeter
60243093
Area
1.7461142201811E+14
Altitude
17390682.980183
Surface area
1.7461142201811E+14
Volume
9.543150469958E+20
Height
9466288.7955449