66968644 is an even 8-digits composite number following 66968643
and preceding 66968645 . In scientific notation, it is written as 6.6968644 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 31042176 positive integers (up to 66968644) that are relatively prime to 66968644.
66968644 has 24 divisors, whose sum is 125949600
The reverse of 66968644 is 44686966
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million nine hundred sixty-eight thousand six hundred forty-four
Scientific notation
6.6968644 × 10^7
Engineering notation
6.6968644 × 10^6
Prime Factorization
2 × 2 × 17 × 67 × 14699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33484322
Product of the distinct prime numbers
The prime factorization of 66968644 is 2 × 2 × 17 × 67 × 14699.
Since it has a total of 5 prime factors.
1 , 7 , 46 , 57 , 752 , 237 , 4235 , 2915 , 53250 , 22947 , 470032 , 370992 , 5746072 , 2456433 , 36219504 , 32734517 , 82896117 , 197891232 , 1951081351 , 983857853
n×2
133937288
n×3
200905932
n×4
267874576
n×5
334843220
n÷2
33484322
n÷3
22322881.333333
n÷3
16742161
n÷5
13393728.8
n2
4484799279198736
n3
3.0034092634012E+23
n4
2.0113424574702E+31
n5
1.346968769964E+39
2 √n
8183.4371751728
3 √n
406.09144000745
4 √n
90.462352253149
5 √n
36.742973627219
1 , 2 , 4 , 17 , 34 , 67 , 68 , 134 , 268 , 1139 , 2278 , 4556 , 14699 , 29398 , 58796 , 249883 , 499766 , 984833 , 999532 , 1969666 , 3939332 , 16742161 , 33484322 , 66968644
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
-66968643
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 66968644 can be divided by 24 positive divisors.
The sum of these divisors (counting 66968644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111011101110001000100
3
Ternary
11200000100201011
4
Quaternary
3333131301010
5
Quinary
114120444034
6
Senary
10351212004
8
Octal
377356104
10
Decimal
66968644
12
Duodecimal
1a517004
16
Hexadecimal
3fddc44
20
Vigesimal
10ib1c4
36
Base36
13vdc4
md5
eeec705261d1881fcf78b1f6d6316fe1
sha1
a5fcce365fac2ec21e8af2765549659ad4f5d325
sha256
7f810a246463fdc101757e62d7e9eeb0bf1b23925b038c34df572d492328ed35
sha512
917b81d6aa782c56a10cf1499a1d5b706b749ea56a0acb137344f3e83794b1081e47ddc45ae8d65ef29d8398f3a84955abb2101e0f5fea7c91e76301d101e726
ripemd-160
27e691021a91cf5346301d11f0c219d737ea0b25
Diameter
133937288
Circumference
420776400.02254
Area
1.4089412468356E+16
Volume
1.25806513035E+24
Surface area
5.6357649873422E+16
Circumference
420776400.02254
Perimeter
267874576
Area
4484799279198736
Diagonal
94707964.598536
Surface area
26908795675192416
Volume
3.0034092634012E+23
Space diagonal
115993093.92199
Perimeter
200905932
Area
1.9419750533301E+15
Altitude
57996546.960996
Surface area
1.9419750533301E+15
Volume
3.5395517613824E+22
Height
31569321.532845