201991031 is an odd 9-digits composite number following 201991030
and preceding 201991032 . In scientific notation, it is written as 2.01991031 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 183628200 positive integers (up to 201991031) that are relatively prime to 201991031.
201991031 has 4 divisors, whose sum is 220353864
The reverse of 201991031 is 130199102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred one million nine hundred ninety-one thousand thirty-one
Scientific notation
2.01991031 × 10^8
Engineering notation
2.01991031 × 10^6
Prime Factorization
11 × 18362821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201991031
Product of the distinct prime numbers
The prime factorization of 201991031 is 11 × 18362821.
Since it has a total of 2 prime factors.
9 , 1 , 8 , 7 , 514 , 520 , 5724 , 1790 , 38019 , 29576 , 100521 , 129788 , 7258154 , 2211869 , 77432760 , 98825823 , 722476282 , 378019503 , 5013970073 , 5158680996
n×2
403982062
n×3
605973093
n×4
807964124
n×5
1009955155
n÷2
100995515.5
n÷3
67330343.666667
n÷3
50497757.75
n÷5
40398206.2
n2
40800376604442961
n3
8.2413101355197E+24
n4
1.6646707310644E+33
n5
3.3624855724322E+41
2 √n
14212.35487173
3 √n
586.73774667491
4 √n
119.21558149726
5 √n
45.82119562676
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
-201991030
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 201991031 can be divided by 4 positive divisors.
The sum of these divisors (counting 201991031) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000010100010001101110111
3
Ternary
112002002012121022
4
Quaternary
30002202031313
5
Quinary
403202203111
6
Senary
32013211355
8
Octal
1402421567
10
Decimal
201991031
12
Duodecimal
57790b5b
16
Hexadecimal
c0a2377
20
Vigesimal
3328hbb
36
Base36
3c9d9z
md5
49d647134a0a0c733bdfe476966d22b8
sha1
537fc2f50e331c04e8fc7923a232c5e1c086dded
sha256
8f8b6bcc072e4faacaee00412229d576badcbab4441377f2cd72094187f03f98
sha512
6acc8ca8c61af9b154646ebdea508cec5708bcbdcfd78614c331476377d0b666b106b02611939c690444bce41a4d7e2ff3c6315b8268642c9b392de9b15fd402
ripemd-160
e638ab4f5ff1c1e9946686a1bc99f32c1481b1c8
Diameter
403982062
Circumference
1269147078.1613
Area
1.2817816340421E+17
Volume
3.4521119170272E+25
Surface area
5.1271265361686E+17
Circumference
1269147078.1613
Perimeter
807964124
Area
40800376604442961
Diagonal
285658455.51792
Surface area
244802259626657766
Volume
8.2413101355197E+24
Space diagonal
349858728.36522
Perimeter
605973093
Area
1.766708131171E+16
Altitude
174929364.18261
Surface area
1.766708131171E+16
Volume
9.7124771378124E+23
Height
95219485.172641