201231387 is an odd 9-digits composite number following 201231386
and preceding 201231388 . In scientific notation, it is written as 2.01231387 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 114361632 positive integers (up to 201231387) that are relatively prime to 201231387.
201231387 has 16 divisors, whose sum is 234905600
The reverse of 201231387 is 783132102
Previous prime number is 199
Is Prime? no Number parity odd Number length 9 Sum of Digits 27 Digital Root 9
Name
two hundred one million two hundred thirty-one thousand three hundred eighty-seven
Scientific notation
2.01231387 × 10^8
Engineering notation
2.01231387 × 10^6
Prime Factorization
63 × 7 × 199 × 2293
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
201231387 Product of the distinct prime numbers
The prime factorization of 201231387 is 63 × 7 × 199 × 2293.
Since it has a total of 4 prime factors.
3 , 9 , 13 , 56 , 818 , 909 , 3338 , 5224 , 8145 , 69832 , 443658 , 459201 , 4000966 , 1617944 , 79547936 , 27034151 , 987391892 , 996879950 , 9505814868 , 99228155
n×2
402462774
n×3
603694161
n×4
804925548
n×5
1006156935
n÷2
100615693.5
n÷3
67077129
n÷3
50307846.75
n÷5
40246277.4
n2
40494071113943769
n3
8.1486780955355E+24
n4
1.6397697953811E+33
n5
3.2997315028525E+41
2 √n14185.604921892
3 √n586.00129199434
4 √n119.10333715682
5 √n45.786678968847
1 , 7 , 63 , 199 , 441 , 1393 , 2293 , 12537 , 16051 , 87759 , 144459 , 456307 , 1011213 , 3194149 , 28747341 , 201231387
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
-201231386 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 201231387 can be divided by 16 positive divisors.
The sum of these divisors (counting 201231387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111111101000110000011011
3
Ternary
112000122121120100
4
Quaternary
23333220300123
5
Quinary
403003401022
6
Senary
31545030443
8
Octal
1377506033
10
Decimal
201231387
12
Duodecimal
57485423
16
Hexadecimal
bfe8c1b
20
Vigesimal
32hdi97
36
Base36
3bt34r
md5
bca46d11419d15fc94765070057afe47
sha1
1f87102707aa247e7b6838bf3411032331b04eff
sha256
a51a5ad5d76ae454640bc8e36e672cd0d87ad6c9cfcc6a858770ebb3f97ed328
sha512
b9fbec8ab9071258709998491b3cf0e575d88534267cf3101f72897a6a521cfa160fb95fe0e87ef9a595db71adf06abecdd9d7aa3521b1c844d2f611835f9014
ripemd-160
cacbd94bd745995cb5077276ce4aab435a6da44f
Diameter
402462774
Circumference
1264374094.1418
Area
1.2721587632551E+17
Volume
3.4133102988537E+25
Surface area
5.0886350530203E+17
Circumference
1264374094.1418
Perimeter
804925548
Area
40494071113943769
Diagonal
284584156.67055
Surface area
242964426683662614
Volume
8.1486780955355E+24
Space diagonal
348542986.36156
Perimeter
603694161
Area
1.7534447143664E+16
Altitude
174271493.18078
Surface area
1.7534447143664E+16
Volume
9.6033092317658E+23
Height
94861385.55685