201638387 is an odd 9-digits composite number following 201638386
and preceding 201638388 . In scientific notation, it is written as 2.01638387 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 201544656 positive integers (up to 201638387) that are relatively prime to 201638387.
201638387 has 4 divisors, whose sum is 201732120
The reverse of 201638387 is 783836102
Previous prime number is 2203
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred one million six hundred thirty-eight thousand three hundred eighty-seven
Scientific notation
2.01638387 × 10^8
Engineering notation
2.01638387 × 10^6
Prime Factorization
2203 × 91529
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201638387
Product of the distinct prime numbers
The prime factorization of 201638387 is 2203 × 91529.
Since it has a total of 2 prime factors.
2 , 9 , 85 , 27 , 358 , 686 , 3883 , 7206 , 61492 , 76859 , 140290 , 796289 , 9332797 , 3654238 , 76487116 , 88697447 , 52921167 , 712834167 , 7767845620 , 1253251298
n×2
403276774
n×3
604915161
n×4
806553548
n×5
1008191935
n÷2
100819193.5
n÷3
67212795.666667
n÷3
50409596.75
n÷5
40327677.4
n2
40658039111961769
n3
8.1982214251189E+24
n4
1.6530761444298E+33
n5
3.3332360735101E+41
2 √n
14199.943204112
3 √n
586.39609772124
4 √n
119.16351456764
5 √n
45.805185147903
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
-201638386
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 201638387 can be divided by 4 positive divisors.
The sum of these divisors (counting 201638387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000001001100000111110011
3
Ternary
112001102021212102
4
Quaternary
30001030013303
5
Quinary
403104412022
6
Senary
32001451015
8
Octal
1401140763
10
Decimal
201638387
12
Duodecimal
57640a6b
16
Hexadecimal
c04c1f3
20
Vigesimal
3304fj7
36
Base36
3c1t6b
md5
6dfcb41a6d6961f56d2d9fb8d2e32be7
sha1
a437f064e76b73bedd568656c92f608104e977b5
sha256
8b66a0eed9f14c10733a6fc31bca9869dba39d44226fe5af4690926680101382
sha512
c505652b0756b74c3145ddbaf6db6a12df47de3837064b843bed4369a75db1b9c62c859548015bb079035c594efa0cf50f89020ec269e041ba4f6b49446d7666
ripemd-160
d8c365d9c6369efdc6887ce52afc376ae8f3673b
Diameter
403276774
Circumference
1266931350.5618
Area
1.2773099698351E+17
Volume
3.4340629602208E+25
Surface area
5.1092398793402E+17
Circumference
1266931350.5618
Perimeter
806553548
Area
40658039111961769
Diagonal
285159741.59043
Surface area
243948234671770614
Volume
8.1982214251189E+24
Space diagonal
349247931.04024
Perimeter
604915161
Area
1.760544736951E+16
Altitude
174623965.52012
Surface area
1.760544736951E+16
Volume
9.6616966056173E+23
Height
95053247.196812