66888439 is an odd 8-digits composite number following 66888438
and preceding 66888440 . In scientific notation, it is written as 6.6888439 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 63839160 positive integers (up to 66888439) that are relatively prime to 66888439.
66888439 has 8 divisors, whose sum is 69950592
The reverse of 66888439 is 93488866
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-six million eight hundred eighty-eight thousand four hundred thirty-nine
Scientific notation
6.6888439 × 10^7
Engineering notation
6.6888439 × 10^6
Prime Factorization
23 × 491 × 5923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66888439
Product of the distinct prime numbers
The prime factorization of 66888439 is 23 × 491 × 5923.
Since it has a total of 3 prime factors.
9 , 5 , 81 , 28 , 107 , 133 , 2049 , 2409 , 19695 , 23908 , 181804 , 205254 , 7648427 , 5865396 , 71946960 , 97104214 , 730020665 , 701092108 , 9182399673 , 9286784325
n×2
133776878
n×3
200665317
n×4
267553756
n×5
334442195
n÷2
33444219.5
n÷3
22296146.333333
n÷3
16722109.75
n÷5
13377687.8
n2
4474063271856721
n3
2.9926310824173E+23
n4
2.0017242160577E+31
n5
1.338922081206E+39
2 √n
8178.5352600573
3 √n
405.92925676581
4 √n
90.435254519779
5 √n
36.7341683631
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66888438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66888439 can be divided by 8 positive divisors.
The sum of these divisors (counting 66888439) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001010001011110111
3
Ternary
11122212021200121
4
Quaternary
3333022023313
5
Quinary
114110412224
6
Senary
10345352411
8
Octal
377121367
10
Decimal
66888439
12
Duodecimal
1a498707
16
Hexadecimal
3fca2f7
20
Vigesimal
10i111j
36
Base36
13tng7
md5
ac20c4c21843dc2406831e3cd20c3c89
sha1
f6d924b4a579d96a9e246aa3aac41e98f6174c87
sha256
514866c8407a93834b110ecd6acc9d48f6901f26dd3b4a6f2b8ce683aeee48e0
sha512
88f798c7fe4a43b6b151ce9115ac9217f0296cfc8f41c1371a59e53841880139416dca6c133744dcb828f040829ac6459d4f0290a8f2e05d9554377ffd0e4e14
ripemd-160
559a00e8093e12efe2441799d5691731a3d4d9a4
Diameter
133776878
Circumference
420272457.14498
Area
1.4055684306561E+16
Volume
1.2535503764569E+24
Surface area
5.6222737226244E+16
Circumference
420272457.14498
Perimeter
267553756
Area
4474063271856721
Diagonal
94594537.599765
Surface area
26844379631140326
Volume
2.9926310824173E+23
Space diagonal
115854174.78697
Perimeter
200665317
Area
1.9373262257834E+15
Altitude
57927087.393486
Surface area
1.9373262257834E+15
Volume
3.5268495532782E+22
Height
31531512.533255