66951918 is an even 8-digits composite number following 66951917
and preceding 66951919 . In scientific notation, it is written as 6.6951918 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 20288400 positive integers (up to 66951918) that are relatively prime to 66951918.
66951918 has 16 divisors, whose sum is 121731120
The reverse of 66951918 is 81915966
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million nine hundred fifty-one thousand nine hundred eighteen
Scientific notation
6.6951918 × 10^7
Engineering notation
6.6951918 × 10^6
Prime Factorization
2 × 9 × 11 × 338141
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66951918
Product of the distinct prime numbers
The prime factorization of 66951918 is 2 × 9 × 11 × 338141.
Since it has a total of 4 prime factors.
9 , 8 , 56 , 18 , 62 , 485 , 5024 , 6872 , 27859 , 10919 , 278234 , 65998 , 2042442 , 5267518 , 87976146 , 66143423 , 1526830 , 650317021 , 3984541775 , 5409327982
n×2
133903836
n×3
200855754
n×4
267807672
n×5
334759590
n÷2
33475959
n÷3
22317306
n÷3
16737979.5
n÷5
13390383.6
n2
4482559323878724
n3
3.0011594428246E+23
n4
2.0093338092092E+31
n5
1.345287524288E+39
2 √n
8182.4151691295
3 √n
406.05762890534
4 √n
90.456703284662
5 √n
36.741138068527
1 , 2 , 9 , 11 , 18 , 22 , 99 , 198 , 338141 , 676282 , 3043269 , 3719551 , 6086538 , 7439102 , 33475959 , 66951918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66951917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66951918 can be divided by 16 positive divisors.
The sum of these divisors (counting 66951918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111011001101011101110
3
Ternary
11122222111202200
4
Quaternary
3333121223232
5
Quinary
114114430133
6
Senary
10351002330
8
Octal
377315356
10
Decimal
66951918
12
Duodecimal
1a5093a6
16
Hexadecimal
3fd9aee
20
Vigesimal
10i8jfi
36
Base36
13v0fi
md5
79b9fbc8e590080d0a0a7f7871ce1498
sha1
89dedd6c72e87fd84924839630a555a4fc252eae
sha256
f230b4a058c2457013d326d3d89a786acaf282541f9708781f17171d0079b115
sha512
edcb7dfd0bea6b0fe11e270374768e8fb57e3b6ed5c06620c342206ab1b65b09ee214fb7e8544947d7a9a5f1247153fd8bb790ff826f0ba09751b1fa674e4dec
ripemd-160
c5414086b2aeeb695bba181f8c43f49d8e5aaa72
Diameter
133903836
Circumference
420671307.46509
Area
1.4082375441178E+16
Volume
1.2571227277106E+24
Surface area
5.6329501764711E+16
Circumference
420671307.46509
Perimeter
267807672
Area
4482559323878724
Diagonal
94684310.462491
Surface area
26895355943272344
Volume
3.0011594428246E+23
Space diagonal
115964123.64019
Perimeter
200855754
Area
1.9410051242249E+15
Altitude
57982061.820093
Surface area
1.9410051242249E+15
Volume
3.5369003224056E+22
Height
31561436.82083