66138081 is an odd 8-digits composite number following 66138080
and preceding 66138082 . In scientific notation, it is written as 6.6138081 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 44019360 positive integers (up to 66138081) that are relatively prime to 66138081.
66138081 has 8 divisors, whose sum is 88329504
The reverse of 66138081 is 18083166
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-six million one hundred thirty-eight thousand eighty-one
Scientific notation
6.6138081 × 10^7
Engineering notation
6.6138081 × 10^6
Prime Factorization
3 × 617 × 35731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66138081
Product of the distinct prime numbers
The prime factorization of 66138081 is 3 × 617 × 35731.
Since it has a total of 3 prime factors.
8 , 2 , 34 , 1 , 908 , 12 , 1513 , 2211 , 41678 , 26650 , 466728 , 109038 , 9261205 , 1996337 , 99192432 , 84582254 , 201008601 , 637916255 , 8714730708 , 20844082
n×2
132276162
n×3
198414243
n×4
264552324
n×5
330690405
n÷2
33069040.5
n÷3
22046027
n÷3
16534520.25
n÷5
13227616.2
n2
4374245758362561
n3
2.8930422028049E+23
n4
1.9134025954553E+31
n5
1.2654877584383E+39
2 √n
8132.5322624629
3 √n
404.40563325653
4 √n
90.180553682393
5 √n
36.651378866531
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
-66138080
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 66138081 can be divided by 8 positive divisors.
The sum of these divisors (counting 66138081) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111100010010111111100001
3
Ternary
11121110011101120
4
Quaternary
3330102333201
5
Quinary
113412404311
6
Senary
10321322453
8
Octal
374227741
10
Decimal
66138081
12
Duodecimal
1a196429
16
Hexadecimal
3f12fe1
20
Vigesimal
10d7541
36
Base36
13dkgx
md5
cb1eae763bea4ec95b545205b835370f
sha1
7593f66d546dbd09cfb7050c24248da991d971ef
sha256
58df3dfc95a99927a04a5805a8d1a97b298102d8e18d9d3a6f86b353528623d8
sha512
8d2643ad1fe2a9b00266e967b5da39516cf4569ffc3050901b655955fe2c78d7599d5d7ac33c8bfc0e91a7b5bf114417e5141f80d981bf9ab0b95da1c2b4178c
ripemd-160
fadd245c99f97479adb6af17a50303ff97532dd5
Diameter
132276162
Circumference
415557818.78425
Area
1.3742098339468E+16
Volume
1.2118346841143E+24
Surface area
5.4968393357873E+16
Circumference
415557818.78425
Perimeter
264552324
Area
4374245758362561
Diagonal
93533371.13953
Surface area
26245474550175366
Volume
2.8930422028049E+23
Space diagonal
114554516.60711
Perimeter
198414243
Area
1.8941039745692E+15
Altitude
57277258.303553
Surface area
1.8941039745692E+15
Volume
3.4094829331037E+22
Height
31177790.379843