201891081 is an odd 9-digits composite number following 201891080
and preceding 201891082 . In scientific notation, it is written as 2.01891081 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 115366320 positive integers (up to 201891081) that are relatively prime to 201891081.
201891081 has 8 divisors, whose sum is 307643584
The reverse of 201891081 is 180198102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred one million eight hundred ninety-one thousand eighty-one
Scientific notation
2.01891081 × 10^8
Engineering notation
2.01891081 × 10^6
Prime Factorization
3 × 7 × 9613861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201891081
Product of the distinct prime numbers
The prime factorization of 201891081 is 3 × 7 × 9613861.
Since it has a total of 3 prime factors.
1 , 10 , 3 , 49 , 672 , 463 , 6983 , 6411 , 86343 , 81531 , 86956 , 836493 , 3305837 , 601659 , 96796133 , 77435060 , 127507821 , 292859166 , 7566596691 , 9846250428
n×2
403782162
n×3
605673243
n×4
807564324
n×5
1009455405
n÷2
100945540.5
n÷3
67297027
n÷3
50472770.25
n÷5
40378216.2
n2
40760008587348561
n3
8.2290821952691E+24
n4
1.6613783000407E+33
n5
3.3541746094516E+41
2 √n
14208.83812984
3 √n
586.6409534113
4 √n
119.20083107865
5 √n
45.816660043934
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
-201891080
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 201891081 can be divided by 8 positive divisors.
The sum of these divisors (counting 201891081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010001001110100001001
3
Ternary
112001220010111110
4
Quaternary
30002021310021
5
Quinary
403141003311
6
Senary
32011120533
8
Octal
1402116411
10
Decimal
201891081
12
Duodecimal
57743149
16
Hexadecimal
c089d09
20
Vigesimal
331g7e1
36
Base36
3c785l
md5
9202b4163de2d1a45438df831b163f62
sha1
412f1bdfdffa3b97df987dcf796fd83c4df15ff5
sha256
9a6d1a8b3724adb5bf30787500ed749c0e9bd1c9d33a2d2614c2b4fc84476a7d
sha512
06290bd576aee3d59ad82f7d66e5fd2fef94f63245ff1d9aa93155934aa9ff390ae9af767f381a95036081ff404a89be33e66194a3fd4e8ff8326300ab176cf1
ripemd-160
fdc09ec0baf01173f0d030ae88c97fc36ab368d5
Diameter
403782162
Circumference
1268519073.7898
Area
1.2805134353827E+17
Volume
3.4469898893925E+25
Surface area
5.1220537415308E+17
Circumference
1268519073.7898
Perimeter
807564324
Area
40760008587348561
Diagonal
285517104.87237
Surface area
244560051524091366
Volume
8.2290821952691E+24
Space diagonal
349685609.887
Perimeter
605673243
Area
1.7649601447558E+16
Altitude
174842804.9435
Surface area
1.7649601447558E+16
Volume
9.6980663720271E+23
Height
95172368.290788