66897788 is an even 8-digits composite number following 66897787
and preceding 66897789 . In scientific notation, it is written as 6.6897788 × 10^7.
The sum of its digits is 59. It has a total of 4 prime factors and 12 positive divisors.
There are 31481280 positive integers (up to 66897788) that are relatively prime to 66897788.
66897788 has 12 divisors, whose sum is 123957792
The reverse of 66897788 is 88779866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 59
Digital Root 5
Name
sixty-six million eight hundred ninety-seven thousand seven hundred eighty-eight
Scientific notation
6.6897788 × 10^7
Engineering notation
6.6897788 × 10^6
Prime Factorization
2 × 2 × 17 × 983791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33448894
Product of the distinct prime numbers
The prime factorization of 66897788 is 2 × 2 × 17 × 983791.
Since it has a total of 4 prime factors.
8 , 7 , 40 , 66 , 511 , 802 , 6156 , 5769 , 46891 , 63201 , 605325 , 154956 , 8910465 , 4656497 , 29654810 , 86024324 , 170466639 , 859777429 , 9434386967 , 3325002447
n×2
133795576
n×3
200693364
n×4
267591152
n×5
334488940
n÷2
33448894
n÷3
22299262.666667
n÷3
16724447
n÷5
13379557.6
n2
4475314039292944
n3
2.9938860983404E+23
n4
2.0028435750293E+31
n5
1.3398580487947E+39
2 √n
8179.1067971998
3 √n
405.94816813465
4 √n
90.438414389018
5 √n
36.735195172953
1 , 2 , 4 , 17 , 34 , 68 , 983791 , 1967582 , 3935164 , 16724447 , 33448894 , 66897788
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
-66897787
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 66897788 can be divided by 12 positive divisors.
The sum of these divisors (counting 66897788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001100011101111100
3
Ternary
11122212202111212
4
Quaternary
3333030131330
5
Quinary
114111212123
6
Senary
10345503552
8
Octal
377143574
10
Decimal
66897788
12
Duodecimal
1a4a1bb8
16
Hexadecimal
3fcc77c
20
Vigesimal
10i2498
36
Base36
13tunw
md5
d3e4c74d5ee548c89a8d592ef079d8ba
sha1
05b5a3b79cbb7f211ebecdc834864ccaf1d58e3f
sha256
0da7063448c2522e6f55d11bd69818d8ca3f32519b03e08f21bffc2d05454b2a
sha512
da0f8d91c78778c42a32ec64b87510b5ec4596d786b16a4b102d6f5fb507de791c1b50fa0052b78082e7c528684b02fc0876053ffd7d322da12eaf3bcb6d4cd4
ripemd-160
530ec5e847fd9823834121a292c5aaed8a428cd9
Diameter
133795576
Circumference
420331198.64441
Area
1.405961370835E+16
Volume
1.2540760762975E+24
Surface area
5.62384548334E+16
Circumference
420331198.64441
Perimeter
267591152
Area
4475314039292944
Diagonal
94607759.08236
Surface area
26851884235757664
Volume
2.9938860983404E+23
Space diagonal
115870367.72997
Perimeter
200693364
Area
1.9378678239704E+15
Altitude
57935183.864986
Surface area
1.9378678239704E+15
Volume
3.5283286037278E+22
Height
31535919.69412