201231905 is an odd 9-digits composite number following 201231904
and preceding 201231906 . In scientific notation, it is written as 2.01231905 × 10^8.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 137864832 positive integers (up to 201231905) that are relatively prime to 201231905.
201231905 has 16 divisors, whose sum is 276220800
The reverse of 201231905 is 509132102
Previous prime number is 3449
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
two hundred one million two hundred thirty-one thousand nine hundred five
Scientific notation
2.01231905 × 10^8
Engineering notation
2.01231905 × 10^6
Prime Factorization
7 × 5 × 3449 × 1667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201231905
Product of the distinct prime numbers
The prime factorization of 201231905 is 7 × 5 × 3449 × 1667.
Since it has a total of 4 prime factors.
8 , 10 , 22 , 78 , 991 , 775 , 5667 , 1226 , 3787 , 10380 , 249518 , 124958 , 4635937 , 9374546 , 96123819 , 80149216 , 816595614 , 641750422 , 4614349583 , 5646132122
n×2
402463810
n×3
603695715
n×4
804927620
n×5
1006159525
n÷2
100615952.5
n÷3
67077301.666667
n÷3
50307976.25
n÷5
40246381
n2
40494279589929025
n3
8.148741023484E+24
n4
1.6397866795073E+33
n5
3.2997739731089E+41
2 √n
14185.623179825
3 √n
586.00179481254
4 √n
119.10341380425
5 √n
45.786702541189
1 , 5 , 7 , 35 , 1667 , 3449 , 8335 , 11669 , 17245 , 24143 , 58345 , 120715 , 5749483 , 28747415 , 40246381 , 201231905
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
-201231904
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 201231905 can be divided by 16 positive divisors.
The sum of these divisors (counting 201231905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111111101000111000100001
3
Ternary
112000122122021112
4
Quaternary
23333220320201
5
Quinary
403003410110
6
Senary
31545033105
8
Octal
1377507041
10
Decimal
201231905
12
Duodecimal
57485795
16
Hexadecimal
bfe8e21
20
Vigesimal
32hdjf5
36
Base36
3bt3j5
md5
e3f7c83336e1cafe22bb3253b065eba4
sha1
03b6fbffb31f24399735371112b70a7689bc52dc
sha256
d2a72c9b0be7fe7bb055588178126dd16d2fb04b50720e4e45f0fe1cf78894bc
sha512
a9b44c7dac0da0deb94321c10d7242fd6baeb2520939d607ecb5417cd633c431bb7af1fe451baceb3b8da7e30dc22a1b114fb71b8521c8cc63985952d34f71ec
ripemd-160
d8f86830cad9afab8a1122db64aacb6db82cadbe
Diameter
402463810
Circumference
1264377348.8318
Area
1.2721653127213E+17
Volume
3.4133366580511E+25
Surface area
5.0886612508853E+17
Circumference
1264377348.8318
Perimeter
804927620
Area
40494279589929025
Diagonal
284584889.23317
Surface area
242965677539574150
Volume
8.148741023484E+24
Space diagonal
348543883.56387
Perimeter
603695715
Area
1.7534537416414E+16
Altitude
174271941.78194
Surface area
1.7534537416414E+16
Volume
9.6033833930643E+23
Height
94861629.744391