20101081 is an odd 8-digits composite number following 20101080
and preceding 20101082 . In scientific notation, it is written as 2.0101081 × 10^7.
The sum of its digits is 13. It has a total of 5 prime factors and 32 positive divisors.
There are 14091840 positive integers (up to 20101081) that are relatively prime to 20101081.
20101081 has 32 divisors, whose sum is 27675648
The reverse of 20101081 is 18010102
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred one thousand eighty-one
Scientific notation
2.0101081 × 10^7
Engineering notation
2.0101081 × 10^6
Prime Factorization
7 × 11 × 13 × 43 × 467
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20101081
Product of the distinct prime numbers
The prime factorization of 20101081 is 7 × 11 × 13 × 43 × 467.
Since it has a total of 5 prime factors.
1 , 3 , 96 , 1 , 572 , 110 , 8487 , 6086 , 17670 , 62173 , 285471 , 975273 , 7653119 , 620064 , 13591563 , 90642753 , 858855797 , 983391383 , 4745182130 , 1348197768
n×2
40202162
n×3
60303243
n×4
80404324
n×5
100505405
n÷2
10050540.5
n÷3
6700360.3333333
n÷3
5025270.25
n÷5
4020216.2
n2
404053457368561
n3
8.1219112748955E+21
n4
1.6325919641149E+29
n5
3.2816863310622E+36
2 √n
4483.4229111249
3 √n
271.8982868326
4 √n
66.958366998643
5 √n
28.883105243765
1 , 7 , 11 , 13 , 43 , 77 , 91 , 143 , 301 , 467 , 473 , 559 , 1001 , 3269 , 3311 , 3913 , 5137 , 6071 , 6149 , 20081 , 35959 , 42497 , 43043 , 66781 , 140567 , 220891 , 261053 , 467467 , 1546237 , 1827371 , 2871583 , 20101081
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20101080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20101081 can be divided by 32 positive divisors.
The sum of these divisors (counting 20101081) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101011011111011001
3
Ternary
1101211020111111
4
Quaternary
1030223133121
5
Quinary
20121213311
6
Senary
1554500321
8
Octal
114533731
10
Decimal
20101081
12
Duodecimal
68946a1
16
Hexadecimal
132b7d9
20
Vigesimal
65cce1
36
Base36
byu3d
md5
8e74eca5d68d16dcbeb7f3a74fd13b6a
sha1
3047ef5967bdc4714630a988ab3b7192477fa262
sha256
4ca8fbd3ecde3e1b07a5cb46785d527aa4e3719e9f0cb89553827b85512ca326
sha512
cfdc478620acc44333e17305976bb8091184a856fd6f1dd2995590cdec8522a6dbc09a99899fbc774e322274f52ef26d4fdf2a0902981e0fcb998835309ada12
ripemd-160
9a255d9c98cfac573b6ecabaeba08169e357ddea
Diameter
40202162
Circumference
126298816.79763
Area
1.2693713733266E+15
Volume
3.4020982392426E+22
Surface area
5.0774854933065E+15
Circumference
126298816.79763
Perimeter
80404324
Area
404053457368561
Diagonal
28427221.36856
Surface area
2424320744211366
Volume
8.1219112748955E+21
Space diagonal
34816093.579057
Perimeter
60303243
Area
1.7496027928405E+14
Altitude
17408046.789529
Surface area
1.7496027928405E+14
Volume
9.5717642311235E+20
Height
9475740.4561867