66888928 is an even 8-digits composite number following 66888927
and preceding 66888929 . In scientific notation, it is written as 6.6888928 × 10^7.
The sum of its digits is 55. It has a total of 6 prime factors and 12 positive divisors.
There are 33444448 positive integers (up to 66888928) that are relatively prime to 66888928.
66888928 has 12 divisors, whose sum is 131687640
The reverse of 66888928 is 82988866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-six million eight hundred eighty-eight thousand nine hundred twenty-eight
Scientific notation
6.6888928 × 10^7
Engineering notation
6.6888928 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2090279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4180558
Product of the distinct prime numbers
The prime factorization of 66888928 is 2 × 2 × 2 × 2 × 2 × 2090279.
Since it has a total of 6 prime factors.
6 , 6 , 40 , 76 , 669 , 151 , 6818 , 574 , 14457 , 12348 , 639487 , 767221 , 6502432 , 6426689 , 16576400 , 18654460 , 311015777 , 29893727 , 4436159229 , 2452218008
n×2
133777856
n×3
200666784
n×4
267555712
n×5
334444640
n÷2
33444464
n÷3
22296309.333333
n÷3
16722232
n÷5
13377785.6
n2
4474128688989184
n3
2.9926967174053E+23
n4
2.0017827525636E+31
n5
1.3389710240787E+39
2 √n
8178.5651553313
3 √n
405.93024596975
4 √n
90.435419805137
5 √n
36.734222073296
1 , 2 , 4 , 8 , 16 , 32 , 2090279 , 4180558 , 8361116 , 16722232 , 33444464 , 66888928
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66888927
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66888928 can be divided by 12 positive divisors.
The sum of these divisors (counting 66888928) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001010010011100000
3
Ternary
11122212022100201
4
Quaternary
3333022103200
5
Quinary
114110421203
6
Senary
10345354544
8
Octal
377122340
10
Decimal
66888928
12
Duodecimal
1a498a54
16
Hexadecimal
3fca4e0
20
Vigesimal
10i1268
36
Base36
13tnts
md5
623e1a2e2ad087b8b65a89c403628bf2
sha1
245697bb9c990f20bc672bd707124988341d036f
sha256
43dd9a477c893627fb8963622e6d3b2ba88634d088934b54128efbb95b793757
sha512
33e13aad229416bcc035d28a07ae9bff2ca96c26e721e82c80637f6048e8f2470d32d006bfb8aecefcecd19a0d1439d51d3113ea06eb00c3924e1f9ee84de9a1
ripemd-160
5da5bd5925c451c7dba5a1bd813ee1e5819250b8
Diameter
133777856
Circumference
420275529.62259
Area
1.4055889820544E+16
Volume
1.2535778695764E+24
Surface area
5.6223559282175E+16
Circumference
420275529.62259
Perimeter
267555712
Area
4474128688989184
Diagonal
94595229.150197
Surface area
26844772133935104
Volume
2.9926967174053E+23
Space diagonal
115855021.75982
Perimeter
200666784
Area
1.9373545522327E+15
Altitude
57927510.879908
Surface area
1.9373545522327E+15
Volume
3.5269269048534E+22
Height
31531743.050066