201230991 is an odd 9-digits composite number following 201230990
and preceding 201230992 . In scientific notation, it is written as 2.01230991 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 123834384 positive integers (up to 201230991) that are relatively prime to 201230991.
201230991 has 12 divisors, whose sum is 313026168
The reverse of 201230991 is 199032102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred one million two hundred thirty thousand nine hundred ninety-one
Scientific notation
2.01230991 × 10^8
Engineering notation
2.01230991 × 10^6
Prime Factorization
3 × 3 × 13 × 1719923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
67076997
Product of the distinct prime numbers
The prime factorization of 201230991 is 3 × 3 × 13 × 1719923.
Since it has a total of 4 prime factors.
2 , 4 , 95 , 25 , 6 , 724 , 777 , 1866 , 12391 , 24435 , 810270 , 846559 , 7811788 , 7119407 , 81956252 , 68189684 , 572457142 , 37876096 , 1679495935 , 2833631503
n×2
402461982
n×3
603692973
n×4
804923964
n×5
1006154955
n÷2
100615495.5
n÷3
67076997
n÷3
50307747.75
n÷5
40246198.2
n2
40493911738842081
n3
8.1486299886737E+24
n4
1.6397568879131E+33
n5
3.2996990355384E+41
2 √n
14185.590964073
3 √n
586.00090759993
4 √n
119.1032785614
5 √n
45.786660948259
1 , 3 , 9 , 13 , 39 , 117 , 1719923 , 5159769 , 15479307 , 22358999 , 67076997 , 201230991
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201230990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201230991 can be divided by 12 positive divisors.
The sum of these divisors (counting 201230991) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011111111101000101010001111
3
Ternary
112000122121000200
4
Quaternary
23333220222033
5
Quinary
403003342431
6
Senary
31545024543
8
Octal
1377505217
10
Decimal
201230991
12
Duodecimal
57485153
16
Hexadecimal
bfe8a8f
20
Vigesimal
32hdh9b
36
Base36
3bt2tr
md5
e2f50d93814755e1daaa9dbb35fc1a78
sha1
a5ef88664313f000f559d6fdb05d5ab75f7d2046
sha256
305b73008335f47d6066011d2e72634d4faa013c92b3199b24462bac81b6c134
sha512
2a69b6aaed39f8c1ffffc4ee8846121478c0ad3e4d8b9b5612cf0d4bc4922b856a01de93c731e7f254e1769e11dccd0ae13440dcda523c4ea3073fa81733078f
ripemd-160
4dd06886d16346d2f7bcc4c8c5153743822f89fb
Diameter
402461982
Circumference
1264371606.0004
Area
1.2721537563386E+17
Volume
3.4132901478985E+25
Surface area
5.0886150253544E+17
Circumference
1264371606.0004
Perimeter
804923964
Area
40493911738842081
Diagonal
284583596.64198
Surface area
242963470433052486
Volume
8.1486299886737E+24
Space diagonal
348542300.46944
Perimeter
603692973
Area
1.7534378132221E+16
Altitude
174271150.23472
Surface area
1.7534378132221E+16
Volume
9.6032525372854E+23
Height
94861198.880659