165138081 is an odd 9-digits composite number following 165138080
and preceding 165138082 . In scientific notation, it is written as 1.65138081 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 109835760 positive integers (up to 165138081) that are relatively prime to 165138081.
165138081 has 8 divisors, whose sum is 220696704
The reverse of 165138081 is 180831561
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred sixty-five million one hundred thirty-eight thousand eighty-one
Scientific notation
1.65138081 × 10^8
Engineering notation
1.65138081 × 10^6
Prime Factorization
3 × 431 × 127717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
165138081
Product of the distinct prime numbers
The prime factorization of 165138081 is 3 × 431 × 127717.
Since it has a total of 3 prime factors.
3 , 5 , 62 , 74 , 915 , 973 , 7790 , 5283 , 43782 , 22330 , 890086 , 743034 , 587048 , 3293196 , 4081902 , 6906750 , 813829436 , 255014451 , 5252998937 , 8157255429
n×2
330276162
n×3
495414243
n×4
660552324
n×5
825690405
n÷2
82569040.5
n÷3
55046027
n÷3
41284520.25
n÷5
33027616.2
n2
27270585796362561
n3
4.5034122061572E+24
n4
7.4368484967677E+32
n5
1.228106889444E+41
2 √n
12850.60625029
3 √n
548.63361209346
4 √n
113.3605145114
5 √n
44.011832018879
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
-165138080
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 165138081 can be divided by 8 positive divisors.
The sum of these divisors (counting 165138081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101111100111010100001
3
Ternary
102111201212212020
4
Quaternary
21311330322201
5
Quinary
314233404311
6
Senary
24215252053
8
Octal
1165747241
10
Decimal
165138081
12
Duodecimal
4737a029
16
Hexadecimal
9d7cea1
20
Vigesimal
2bc2541
36
Base36
2qbhcx
md5
7905ba79753c4785668a12a690fb6e38
sha1
75c0e963a0a9630a6b763afc3adffd20e0302df3
sha256
6d0583c2abd08ea786355a77e21e5b7f88fae3789c9b1a7c01e7d17ba3cb202e
sha512
0e9749be2a4b8689134a3f7c5f79c08c2e9d9d23cf277d80c0977b7329932193d40eb1295af2f17eb08d317b5caf33f0492847b24731a424f61c11d03103a3af
ripemd-160
a86e63805592e1c720cb2ecdae898da7107aad25
Diameter
330276162
Circumference
1037593164.195
Area
8.5673071996943E+16
Volume
1.8863848937267E+25
Surface area
3.4269228798777E+17
Circumference
1037593164.195
Perimeter
660552324
Area
27270585796362561
Diagonal
233540513.81447
Surface area
163623514778175366
Volume
4.5034122061572E+24
Space diagonal
286027546.55642
Perimeter
495414243
Area
1.1808510037867E+16
Altitude
143013773.27821
Surface area
1.1808510037867E+16
Volume
5.30732218242E+23
Height
77846837.938156