201638988 is an even 9-digits composite number following 201638987
and preceding 201638989 . In scientific notation, it is written as 2.01638988 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors.
There are 67212984 positive integers (up to 201638988) that are relatively prime to 201638988.
201638988 has 18 divisors, whose sum is 509698644
The reverse of 201638988 is 889836102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred one million six hundred thirty-eight thousand nine hundred eighty-eight
Scientific notation
2.01638988 × 10^8
Engineering notation
2.01638988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 5601083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33606498
Product of the distinct prime numbers
The prime factorization of 201638988 is 2 × 2 × 3 × 3 × 5601083.
Since it has a total of 5 prime factors.
3 , 4 , 79 , 85 , 225 , 206 , 9334 , 2861 , 76568 , 78444 , 21074 , 270864 , 1877496 , 9398786 , 89470511 , 51961890 , 490288539 , 148062028 , 8177911013 , 998254736
n×2
403277976
n×3
604916964
n×4
806555952
n×5
1008194940
n÷2
100819494
n÷3
67212996
n÷3
50409747
n÷5
40327797.6
n2
40658281481664144
n3
8.1982947317819E+24
n4
1.6530958530422E+33
n5
3.3332857487443E+41
2 √n
14199.964366152
3 √n
586.39668032146
4 √n
119.16360336173
5 √n
45.805212453104
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 5601083 , 11202166 , 16803249 , 22404332 , 33606498 , 50409747 , 67212996 , 100819494 , 201638988
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201638987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201638988 can be divided by 18 positive divisors.
The sum of these divisors (counting 201638988) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1100000001001100010001001100
3
Ternary
112001102022200200
4
Quaternary
30001030101030
5
Quinary
403104421423
6
Senary
32001453500
8
Octal
1401142114
10
Decimal
201638988
12
Duodecimal
57641290
16
Hexadecimal
c04c44c
20
Vigesimal
3304h98
36
Base36
3c1tn0
md5
b4e96712b2011780712be7dc8495ba47
sha1
3e892144f2ce0fd05ecaa8e8796c96a4cad6b7ca
sha256
e4796ec4ec69c12f5152a2fc423bdaf0e29878798669306617fea8b68ad2e807
sha512
dc68ff541634244b1d2786eedbf23b20022233b058994b11ad7eafbdb85734ac4298d8155e3790e267d45446c31afb60298b052fa6af18bbe2d6ad602a365edb
ripemd-160
59ad49a309ae1b9a6a0597bf77566ac1d2b80ac6
Diameter
403277976
Circumference
1266935126.7562
Area
1.2773175841038E+17
Volume
3.434093666844E+25
Surface area
5.1092703364153E+17
Circumference
1266935126.7562
Perimeter
806555952
Area
40658281481664144
Diagonal
285160591.53279
Surface area
243949688889984864
Volume
8.1982947317819E+24
Space diagonal
349248972.00277
Perimeter
604916964
Area
1.760555231867E+16
Altitude
174624486.00139
Surface area
1.760555231867E+16
Volume
9.6617829983482E+23
Height
95053530.510929