201668081 is an odd 9-digits composite number following 201668080
and preceding 201668082 . In scientific notation, it is written as 2.01668081 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 200128500 positive integers (up to 201668081) that are relatively prime to 201668081.
201668081 has 4 divisors, whose sum is 203207664
The reverse of 201668081 is 180866102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred one million six hundred sixty-eight thousand eighty-one
Scientific notation
2.01668081 × 10^8
Engineering notation
2.01668081 × 10^6
Prime Factorization
131 × 1539451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201668081
Product of the distinct prime numbers
The prime factorization of 201668081 is 131 × 1539451.
Since it has a total of 2 prime factors.
9 , 6 , 14 , 92 , 134 , 467 , 295 , 5889 , 83436 , 75569 , 248643 , 847865 , 8302129 , 952198 , 83797178 , 30651523 , 192087782 , 528780258 , 4131309808 , 1669330954
n×2
403336162
n×3
605004243
n×4
806672324
n×5
1008340405
n÷2
100834040.5
n÷3
67222693.666667
n÷3
50417020.25
n÷5
40333616.2
n2
40670014894222561
n3
8.2018438579593E+24
n4
1.6540501114963E+33
n5
3.3356911186329E+41
2 √n
14200.988733183
3 √n
586.4248812469
4 √n
119.16790143819
5 √n
45.806534155972
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
-201668080
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 201668081 can be divided by 4 positive divisors.
The sum of these divisors (counting 201668081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000001010011010111110001
3
Ternary
112001110210121012
4
Quaternary
30001103113301
5
Quinary
403111334311
6
Senary
32002240305
8
Octal
1401232761
10
Decimal
201668081
12
Duodecimal
57656095
16
Hexadecimal
c0535f1
20
Vigesimal
3308a41
36
Base36
3c2g35
md5
9f1912b107367a0b4c8ef72790938e69
sha1
220143736c4c9c2bbacdf33e07ad189cbd499d7f
sha256
24f54fd3814a395ba57fdcb05a98fa434df2cf4b23e7774457d590bcba5b1e7a
sha512
3d05017b705ba91aa1d0b3ec0b1b08ddaba45086ac872978661cf46bf77d7ebd4b0ddc38e112eea96ddfa5f268df56b384411701f6f10eaf873b4e58c8a57651
ripemd-160
bee7e3ecd29d01d8e34ed6c1eb7c849f657e7714
Diameter
403336162
Circumference
1267117923.4663
Area
1.2776862001308E+17
Volume
3.4355803213407E+25
Surface area
5.1107448005231E+17
Circumference
1267117923.4663
Perimeter
806672324
Area
40670014894222561
Diagonal
285201735.24796
Surface area
244020089365335366
Volume
8.2018438579593E+24
Space diagonal
349299362.55692
Perimeter
605004243
Area
1.7610633035344E+16
Altitude
174649681.27846
Surface area
1.7610633035344E+16
Volume
9.6659656836604E+23
Height
95067245.082652