201638989 is an odd 9-digits composite number following 201638988
and preceding 201638990 . In scientific notation, it is written as 2.01638989 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 189406656 positive integers (up to 201638989) that are relatively prime to 201638989.
201638989 has 8 divisors, whose sum is 213917760
The reverse of 201638989 is 989836102
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred one million six hundred thirty-eight thousand nine hundred eighty-nine
Scientific notation
2.01638989 × 10^8
Engineering notation
2.01638989 × 10^6
Prime Factorization
17 × 523 × 22679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201638989
Product of the distinct prime numbers
The prime factorization of 201638989 is 17 × 523 × 22679.
Since it has a total of 3 prime factors.
7 , 7 , 78 , 77 , 953 , 236 , 9248 , 4414 , 36957 , 10828 , 170339 , 544105 , 7185448 , 9454970 , 16215750 , 64323317 , 391680605 , 742901234 , 8006019185 , 6147448955
n×2
403277978
n×3
604916967
n×4
806555956
n×5
1008194945
n÷2
100819494.5
n÷3
67212996.333333
n÷3
50409747.25
n÷5
40327797.8
n2
40658281884942121
n3
8.1982948537567E+24
n4
1.6530958858354E+33
n5
3.3332858313991E+41
2 √n
14199.964401364
3 √n
586.39668129084
4 √n
119.16360350948
5 √n
45.805212498537
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201638988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201638989 can be divided by 8 positive divisors.
The sum of these divisors (counting 201638989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001001100010001001101
3
Ternary
112001102022200201
4
Quaternary
30001030101031
5
Quinary
403104421424
6
Senary
32001453501
8
Octal
1401142115
10
Decimal
201638989
12
Duodecimal
57641291
16
Hexadecimal
c04c44d
20
Vigesimal
3304h99
36
Base36
3c1tn1
md5
7a3503d29f531f8a0b3c7fb2ce85f2f6
sha1
503d824213a2c0f9cd7e72ef225aecd2a79d5607
sha256
aef12010f1480c70bdd26a35b7078dc220c8027c03d79a2b9e4d378d498d4e6f
sha512
3f9d3ea6cf42e30ebc9f61097633d282de95a0fce6e7a60377f82286dd0c58d85e5551f62e156eba7c2dfa06d75dda63ee207cb080322c915fffb0e43641f0b6
ripemd-160
3534b7851bad6717a7d85b413485ead60b8dd8fa
Diameter
403277978
Circumference
1266935133.0393
Area
1.2773175967732E+17
Volume
3.4340937179367E+25
Surface area
5.1092703870927E+17
Circumference
1266935133.0393
Perimeter
806555956
Area
40658281884942121
Diagonal
285160592.947
Surface area
243949691309652726
Volume
8.1982948537567E+24
Space diagonal
349248973.73482
Perimeter
604916967
Area
1.7605552493294E+16
Altitude
174624486.86741
Surface area
1.7605552493294E+16
Volume
9.6617831420969E+23
Height
95053530.982333