66679938 is an even 8-digits composite number following 66679937
and preceding 66679939 . In scientific notation, it is written as 6.6679938 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 20516832 positive integers (up to 66679938) that are relatively prime to 66679938.
66679938 has 16 divisors, whose sum is 119682360
The reverse of 66679938 is 83997666
Previous prime number is 9
Is Prime? no Number parity even Number length 8 Sum of Digits 54 Digital Root 9
Name
sixty-six million six hundred seventy-nine thousand nine hundred thirty-eight
Scientific notation
6.6679938 × 10^7
Engineering notation
6.6679938 × 10^6
Prime Factorization
2 × 13 × 9 × 284957
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
66679938 Product of the distinct prime numbers
The prime factorization of 66679938 is 2 × 13 × 9 × 284957.
Since it has a total of 4 prime factors.
2 , 8 , 74 , 57 , 911 , 402 , 7835 , 8467 , 33681 , 19532 , 388195 , 161298 , 2997297 , 1697560 , 38419750 , 98071382 , 100947253 , 446263145 , 9559018409 , 6165979088
n×2
133359876
n×3
200039814
n×4
266719752
n×5
333399690
n÷2
33339969
n÷3
22226646
n÷3
16669984.5
n÷5
13335987.6
n2
4446214131683844
n3
2.964732826354E+23
n4
1.9768820104785E+31
n5
1.3181836989202E+39
2 √n8165.7784687071
3 √n405.50703756304
4 √n90.364697026588
5 √n36.711238605199
1 , 2 , 9 , 13 , 18 , 26 , 117 , 234 , 284957 , 569914 , 2564613 , 3704441 , 5129226 , 7408882 , 33339969 , 66679938
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
-66679937 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 66679938 can be divided by 16 positive divisors.
The sum of these divisors (counting 66679938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110010111010010000010
3
Ternary
11122110200200100
4
Quaternary
3332113102002
5
Quinary
114032224223
6
Senary
10341103230
8
Octal
376272202
10
Decimal
66679938
12
Duodecimal
1a3b7b16
16
Hexadecimal
3f97482
20
Vigesimal
10gejgi
36
Base36
13p6ki
md5
977acd51de7fcfa6c2e3aaad26827f15
sha1
92361991adf60a418d46ae1971a6dace54d81130
sha256
f4c778d98d61a59a05bbbeacbc004bfe7c2dec9eae382ab992040408f4afba09
sha512
7692ad6bd5e9e08b4e428a5fc397be946d17833e048059f75fe2f149921dd8456b5fb18650867d00fd46402ff7dce5dfc5aa3a27522268032a7397abc0e2808e
ripemd-160
a33831831bffcd45f77e1d0358a41f99722b9005
Diameter
133359876
Circumference
418962406.72525
Area
1.3968193652385E+16
Volume
1.241864382284E+24
Surface area
5.587277460954E+16
Circumference
418962406.72525
Perimeter
266719752
Area
4446214131683844
Diagonal
94299672.657797
Surface area
26677284790103064
Volume
2.964732826354E+23
Space diagonal
115493040.46154
Perimeter
200039814
Area
1.9252671943518E+15
Altitude
57746520.230771
Surface area
1.9252671943518E+15
Volume
3.4939711432022E+22
Height
31433224.219266