66646918 is an even 8-digits composite number following 66646917
and preceding 66646919 . In scientific notation, it is written as 6.6646918 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 30760104 positive integers (up to 66646918) that are relatively prime to 66646918.
66646918 has 8 divisors, whose sum is 107660448
The reverse of 66646918 is 81964666
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million six hundred forty-six thousand nine hundred eighteen
Scientific notation
6.6646918 × 10^7
Engineering notation
6.6646918 × 10^6
Prime Factorization
2 × 13 × 2563343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66646918
Product of the distinct prime numbers
The prime factorization of 66646918 is 2 × 13 × 2563343.
Since it has a total of 3 prime factors.
10 , 4 , 79 , 40 , 527 , 663 , 6347 , 9112 , 18356 , 52668 , 738360 , 622708 , 8488627 , 5980402 , 98002687 , 1797080 , 608428656 , 406618062 , 894529870 , 4667394991
n×2
133293836
n×3
199940754
n×4
266587672
n×5
333234590
n÷2
33323459
n÷3
22215639.333333
n÷3
16661729.5
n÷5
13329383.6
n2
4441811678898724
n3
2.9603305873501E+23
n4
1.9729690990801E+31
n5
1.3149230976293E+39
2 √n
8163.7563657914
3 √n
405.44009062411
4 √n
90.353507766945
5 √n
36.707601993286
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
-66646917
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 66646918 can be divided by 8 positive divisors.
The sum of these divisors (counting 66646918) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110001111001110000110
3
Ternary
11122102000101101
4
Quaternary
3332033032012
5
Quinary
114030200133
6
Senary
10340250314
8
Octal
376171606
10
Decimal
66646918
12
Duodecimal
1a3a099a
16
Hexadecimal
3f8f386
20
Vigesimal
10gah5i
36
Base36
13oh3a
md5
26abbef7d9e5b1ae4ef1a2e37cb7b534
sha1
d3233d697788be25cc890d2d97240c304c011bf5
sha256
51b908910f32df9eef8bae40d4f7d219c3fcace470cd567a939958c1e867d06d
sha512
c5ccebc26cf1a3f844dea2673a4d1ab4f4db4fc0201d842f54d449bdd748de0b72bf22feb812107ec4fe6d44c418a6c350e97e26adb101ea5a2d064a34da9bab
ripemd-160
c82048f2fda983bf5c40ff7a94a109d5d0fccaa3
Diameter
133293836
Circumference
418754935.9464
Area
1.3954362939058E+16
Volume
1.2400203767221E+24
Surface area
5.581745175623E+16
Circumference
418754935.9464
Perimeter
266587672
Area
4441811678898724
Diagonal
94252975.325968
Surface area
26650870073392344
Volume
2.9603305873501E+23
Space diagonal
115435848.14388
Perimeter
199940754
Area
1.9233608763764E+15
Altitude
57717924.071938
Surface area
1.9233608763764E+15
Volume
3.488783054782E+22
Height
31417658.441989