201991405 is an odd 9-digits composite number following 201991404
and preceding 201991406 . In scientific notation, it is written as 2.01991405 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 120436800 positive integers (up to 201991405) that are relatively prime to 201991405.
201991405 has 16 divisors, whose sum is 245274624
The reverse of 201991405 is 504199102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred one million nine hundred ninety-one thousand four hundred five
Scientific notation
2.01991405 × 10^8
Engineering notation
2.01991405 × 10^6
Prime Factorization
7 × 55 × 23 × 22811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201991405
Product of the distinct prime numbers
The prime factorization of 201991405 is 7 × 55 × 23 × 22811.
Since it has a total of 4 prime factors.
1 , 7 , 16 , 52 , 401 , 287 , 4963 , 3569 , 26431 , 71513 , 885198 , 199353 , 9188800 , 446218 , 83370853 , 75568125 , 403181367 , 412888699 , 6448344342 , 4938040608
n×2
403982810
n×3
605974215
n×4
807965620
n×5
1009957025
n÷2
100995702.5
n÷3
67330468.333333
n÷3
50497851.25
n÷5
40398281
n2
40800527693874025
n3
8.241355913627E+24
n4
1.6646830600986E+33
n5
3.3625167018901E+41
2 √n
14212.368029291
3 √n
586.73810880284
4 √n
119.21563668114
5 √n
45.821212594954
1 , 7 , 23 , 55 , 161 , 385 , 1265 , 8855 , 22811 , 159677 , 524653 , 1254605 , 3672571 , 8782235 , 28855915 , 201991405
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201991404
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201991405 can be divided by 16 positive divisors.
The sum of these divisors (counting 201991405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000010100010010011101101
3
Ternary
112002002020010011
4
Quaternary
30002202103231
5
Quinary
403202211110
6
Senary
32013213221
8
Octal
1402422355
10
Decimal
201991405
12
Duodecimal
57791211
16
Hexadecimal
c0a24ed
20
Vigesimal
3328ia5
36
Base36
3c9dkd
md5
728c63eb30b9a8608294e8c191c9754d
sha1
b00d0d48440b5382f5d31c07ee0da42091e56197
sha256
0b971570d4495a8de7e571e5aafc45f59c2f6befa4de34e88f230df0b062f3e3
sha512
fbca0b7302d829f8becacdbcf29797bce8d7455a93eab5a70ee3bd6e07a5d2fc3330314fc6ae0672c2b1da5be79cedd0c7a7bf1396a0f041b893e37c75117ba6
ripemd-160
82c66ae3d77b0fc3825ef768e73491d3a1125c4d
Diameter
403982810
Circumference
1269149428.0726
Area
1.2817863806566E+17
Volume
3.4521310925159E+25
Surface area
5.1271455226265E+17
Circumference
1269149428.0726
Perimeter
807965620
Area
40800527693874025
Diagonal
285658984.4338
Surface area
244803166163244150
Volume
8.241355913627E+24
Space diagonal
349859376.15222
Perimeter
605974215
Area
1.7667146735353E+16
Altitude
174929688.07611
Surface area
1.7667146735353E+16
Volume
9.7125310878292E+23
Height
95219661.477932