66879894 is an even 8-digits composite number following 66879893
and preceding 66879895 . In scientific notation, it is written as 6.6879894 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 22241640 positive integers (up to 66879894) that are relatively prime to 66879894.
66879894 has 16 divisors, whose sum is 134069760
The reverse of 66879894 is 49897866
Previous prime number is 439
Is Prime? no Number parity even Number length 8 Sum of Digits 57 Digital Root 3
Name
sixty-six million eight hundred seventy-nine thousand eight hundred ninety-four
Scientific notation
6.6879894 × 10^7
Engineering notation
6.6879894 × 10^6
Prime Factorization
2 × 3 × 439 × 25391
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
66879894 Product of the distinct prime numbers
The prime factorization of 66879894 is 2 × 3 × 439 × 25391.
Since it has a total of 4 prime factors.
6 , 9 , 51 , 24 , 328 , 139 , 3445 , 6624 , 52406 , 67146 , 620387 , 549001 , 6858366 , 790427 , 65087683 , 82487536 , 27901930 , 63402664 , 189153352 , 4673533474
n×2
133759788
n×3
200639682
n×4
267519576
n×5
334399470
n÷2
33439947
n÷3
22293298
n÷3
16719973.5
n÷5
13375978.8
n2
4472920221451236
n3
2.9914843028112E+23
n4
2.0007015307467E+31
n5
1.3380670630198E+39
2 √n8178.0128393149
3 √n405.91197020493
4 √n90.432366104813
5 √n36.733229756923
1 , 2 , 3 , 6 , 439 , 878 , 1317 , 2634 , 25391 , 50782 , 76173 , 152346 , 11146649 , 22293298 , 33439947 , 66879894
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
-66879893 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 66879894 can be divided by 16 positive divisors.
The sum of these divisors (counting 66879894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001000000110010110
3
Ternary
11122211211222010
4
Quaternary
3333020012112
5
Quinary
114110124034
6
Senary
10345245050
8
Octal
377100626
10
Decimal
66879894
12
Duodecimal
1a493786
16
Hexadecimal
3fc8196
20
Vigesimal
10hjjee
36
Base36
13tguu
md5
068343faff0fcfe090fd178200ddb9e0
sha1
4717d005bb871f942a87e663e2a6abf91b4716aa
sha256
802fcb85239959928f47664bae5a301ea30af04a0c5922b4d7fbc7e536027eb7
sha512
670ca77f58ac41fec0fab292f5197e2777378ce7375dfc2af6693f4022205546388d764a29b90c37f80bb3d4f54681efc63abf561e2451f2e7fd98f46cb7e89a
ripemd-160
b0f23d9efff236b6d8aaf59cbe50beb2410def73
Diameter
133759788
Circumference
420218767.32653
Area
1.4052093307804E+16
Volume
1.2530700145388E+24
Surface area
5.6208373231218E+16
Circumference
420218767.32653
Perimeter
267519576
Area
4472920221451236
Diagonal
94582453.144875
Surface area
26837521328707416
Volume
2.9914843028112E+23
Space diagonal
115839374.41282
Perimeter
200639682
Area
1.9368312704389E+15
Altitude
57919687.20641
Surface area
1.9368312704389E+15
Volume
3.5254980605515E+22
Height
31527484.381625