66888969 is an odd 8-digits composite number following 66888968
and preceding 66888970 . In scientific notation, it is written as 6.6888969 × 10^7.
The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors.
There are 37820160 positive integers (up to 66888969) that are relatively prime to 66888969.
66888969 has 24 divisors, whose sum is 104838048
The reverse of 66888969 is 96988866
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
sixty-six million eight hundred eighty-eight thousand nine hundred sixty-nine
Scientific notation
6.6888969 × 10^7
Engineering notation
6.6888969 × 10^6
Prime Factorization
3 × 7 × 7 × 97 × 4691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9555567
Product of the distinct prime numbers
The prime factorization of 66888969 is 3 × 7 × 7 × 97 × 4691.
Since it has a total of 5 prime factors.
8 , 2 , 84 , 45 , 278 , 589 , 9674 , 4531 , 6489 , 34078 , 387567 , 402238 , 6375488 , 1273512 , 93154195 , 26675175 , 46122827 , 704125949 , 6186402477 , 1330758231
n×2
133777938
n×3
200666907
n×4
267555876
n×5
334444845
n÷2
33444484.5
n÷3
22296323
n÷3
16722242.25
n÷5
13377793.8
n2
4474134173882961
n3
2.992702220587E+23
n4
2.0017876605907E+31
n5
1.3389751277384E+39
2 √n
8178.5676618831
3 √n
405.93032890892
4 √n
90.435433663377
5 √n
36.73422657659
1 , 3 , 7 , 21 , 49 , 97 , 147 , 291 , 679 , 2037 , 4691 , 4753 , 14073 , 14259 , 32837 , 98511 , 229859 , 455027 , 689577 , 1365081 , 3185189 , 9555567 , 22296323 , 66888969
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66888968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66888969 can be divided by 24 positive divisors.
The sum of these divisors (counting 66888969) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111001010010100001001
3
Ternary
11122212022102020
4
Quaternary
3333022110021
5
Quinary
114110421334
6
Senary
10345355053
8
Octal
377122411
10
Decimal
66888969
12
Duodecimal
1a498a89
16
Hexadecimal
3fca509
20
Vigesimal
10i1289
36
Base36
13tnux
md5
e841bac50487f5fab113c706b8df37ad
sha1
7b4193fb566d7c23eb61ac73c54c2b2fe0e29a34
sha256
260482996bed027dfe9921f0f7650f75a1dd218077d1a13e1fa9c504ab55a6ff
sha512
54a542c1e3ee2e5df135555de2fe3cc8c9d351ebf4ee1f629cbcef2325badde752fd4c4641bdce997ee8c3b6e5b923a0d1d265cc9cce71d5dda7f1b75ca6851b
ripemd-160
5f766ab3d81b6e2a25fec7a9b96ef5ef9e2e2e65
Diameter
133777938
Circumference
420275787.23319
Area
1.4055907051846E+16
Volume
1.2535801747437E+24
Surface area
5.6223628207383E+16
Circumference
420275787.23319
Perimeter
267555876
Area
4474134173882961
Diagonal
94595287.132954
Surface area
26844805043297766
Volume
2.992702220587E+23
Space diagonal
115855092.7739
Perimeter
200666907
Area
1.9373569272614E+15
Altitude
57927546.38695
Surface area
1.9373569272614E+15
Volume
3.5269333904152E+22
Height
31531762.377651