201491891 is an odd 9-digits composite number following 201491890
and preceding 201491892 . In scientific notation, it is written as 2.01491891 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 192731352 positive integers (up to 201491891) that are relatively prime to 201491891.
201491891 has 4 divisors, whose sum is 210252432
The reverse of 201491891 is 198194102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred one million four hundred ninety-one thousand eight hundred ninety-one
Scientific notation
2.01491891 × 10^8
Engineering notation
2.01491891 × 10^6
Prime Factorization
23 × 8760517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201491891
Product of the distinct prime numbers
The prime factorization of 201491891 is 23 × 8760517.
Since it has a total of 2 prime factors.
8 , 1 , 52 , 98 , 535 , 378 , 7549 , 1598 , 49369 , 77478 , 356002 , 643475 , 8114418 , 8935911 , 19026748 , 28381331 , 592541504 , 364170103 , 3075979938 , 810374349
n×2
402983782
n×3
604475673
n×4
805967564
n×5
1007459455
n÷2
100745945.5
n÷3
67163963.666667
n÷3
50372972.75
n÷5
40298378.2
n2
40598982138755881
n3
8.1803656838131E+24
n4
1.648277350703E+33
n5
3.3211452028562E+41
2 √n
14194.783936362
3 √n
586.25405219034
4 √n
119.14186475107
5 √n
45.798527459914
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
-201491890
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 201491891 can be divided by 4 positive divisors.
The sum of these divisors (counting 201491891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000000101000010110110011
3
Ternary
112001010211220122
4
Quaternary
30000220112303
5
Quinary
403040220031
6
Senary
31554400455
8
Octal
1400502663
10
Decimal
201491891
12
Duodecimal
5759012b
16
Hexadecimal
c0285b3
20
Vigesimal
32j69eb
36
Base36
3byo4z
md5
63e3d1ded874edc68de1d4a1402274f8
sha1
4aa13a13310ae2fe7a8090f3db0463855075783f
sha256
baf1a2b34a213a05a8665acb000cdf10decd03fb791939df74d2f8a92a89f1c0
sha512
643eb48b373423fdf9ce2ebef1a106b5ebd88e21ea58490d2b7794d44fa8e312b6fe11d2a44f21e2526e05b1a1de155c3c0465cd9379ff3960b256434d445b34
ripemd-160
86b468f3856aef65705dfb68b745464c5cf781bb
Diameter
402983782
Circumference
1266010889.047
Area
1.2754546403034E+17
Volume
3.4265835647927E+25
Surface area
5.1018185612135E+17
Circumference
1266010889.047
Perimeter
805967564
Area
40598982138755881
Diagonal
284952564.9604
Surface area
243593892832535286
Volume
8.1803656838131E+24
Space diagonal
348994192.52513
Perimeter
604475673
Area
1.7579874949977E+16
Altitude
174497096.26257
Surface area
1.7579874949977E+16
Volume
9.6406534126833E+23
Height
94984188.320134