66884989 is an odd 8-digits composite number following 66884988
and preceding 66884990 . In scientific notation, it is written as 6.6884989 × 10^7.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 63976924 positive integers (up to 66884989) that are relatively prime to 66884989.
66884989 has 4 divisors, whose sum is 69793056
The reverse of 66884989 is 98948866
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
sixty-six million eight hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
6.6884989 × 10^7
Engineering notation
6.6884989 × 10^6
Prime Factorization
23 × 2908043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66884989
Product of the distinct prime numbers
The prime factorization of 66884989 is 23 × 2908043.
Since it has a total of 2 prime factors.
1 , 7 , 36 , 20 , 692 , 1000 , 5294 , 1517 , 69495 , 10849 , 254996 , 238475 , 7435087 , 6778091 , 11286337 , 46399748 , 813524534 , 332713881 , 6147729272 , 668130140
n×2
133769978
n×3
200654967
n×4
267539956
n×5
334424945
n÷2
33442494.5
n÷3
22294996.333333
n÷3
16721247.25
n÷5
13376997.8
n2
4473601753530121
n3
2.9921680407524E+23
n4
2.0013112649188E+31
n5
1.3385768193967E+39
2 √n
8178.3243393742
3 √n
405.92227758258
4 √n
90.434088370338
5 √n
36.733789417209
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66884988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66884989 can be divided by 4 positive divisors.
The sum of these divisors (counting 66884989) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001001010101111101
3
Ternary
11122212002221211
4
Quaternary
3333021111331
5
Quinary
114110304424
6
Senary
10345324421
8
Octal
377112575
10
Decimal
66884989
12
Duodecimal
1a496711
16
Hexadecimal
3fc957d
20
Vigesimal
10i0c99
36
Base36
13tksd
md5
02d418579a7317948a6858546138d4f3
sha1
469d238384527745ffd7e663781e215250ffc0f4
sha256
9f022a5269f2a8caf0b1aa4a8b00e3f460b7708f1b5d4ee323123cb5d8b2df81
sha512
b8880a7ba23ac7686a18e4734240e0561b6a52c3b416c266d1169fb68bdc034a21d7b8c12493377d0d53a0633c4a9d8d40350928ef4f1a64551855c67ccc2add
ripemd-160
bbdaba1e21d6c8eda418b007fb61c9ff9b1d9cb0
Diameter
133769978
Circumference
420250780.15567
Area
1.4054234403977E+16
Volume
1.2533564180179E+24
Surface area
5.6216937615907E+16
Circumference
420250780.15567
Perimeter
267539956
Area
4473601753530121
Diagonal
94589658.562975
Surface area
26841610521180726
Volume
2.9921680407524E+23
Space diagonal
115848199.21169
Perimeter
200654967
Area
1.9371263824858E+15
Altitude
57924099.605843
Surface area
1.9371263824858E+15
Volume
3.5263038534428E+22
Height
31529886.187658