66857428 is an even 8-digits composite number following 66857427
and preceding 66857429 . In scientific notation, it is written as 6.6857428 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 28789920 positive integers (up to 66857428) that are relatively prime to 66857428.
66857428 has 24 divisors, whose sum is 134356320
The reverse of 66857428 is 82475866
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million eight hundred fifty-seven thousand four hundred twenty-eight
Scientific notation
6.6857428 × 10^7
Engineering notation
6.6857428 × 10^6
Prime Factorization
2 × 2 × 11 × 19 × 79973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33428714
Product of the distinct prime numbers
The prime factorization of 66857428 is 2 × 2 × 11 × 19 × 79973.
Since it has a total of 5 prime factors.
4 , 7 , 2 , 47 , 34 , 414 , 2937 , 3588 , 47284 , 99121 , 232003 , 855152 , 7846509 , 178480 , 78060393 , 88260724 , 14630150 , 106369970 , 7088794236 , 726326777
n×2
133714856
n×3
200572284
n×4
267429712
n×5
334287140
n÷2
33428714
n÷3
22285809.333333
n÷3
16714357
n÷5
13371485.6
n2
4469915678775184
n3
2.9884706565978E+23
n4
1.998014617536E+31
n5
1.3358211843486E+39
2 √n
8176.6391628835
3 √n
405.86651439321
4 √n
90.424770737246
5 √n
36.730761572247
1 , 2 , 4 , 11 , 19 , 22 , 38 , 44 , 76 , 209 , 418 , 836 , 79973 , 159946 , 319892 , 879703 , 1519487 , 1759406 , 3038974 , 3518812 , 6077948 , 16714357 , 33428714 , 66857428
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
-66857427
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 66857428 can be divided by 24 positive divisors.
The sum of these divisors (counting 66857428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111000010100111010100
3
Ternary
11122210201011001
4
Quaternary
3333002213110
5
Quinary
114103414203
6
Senary
10344553044
8
Octal
377024724
10
Decimal
66857428
12
Duodecimal
1a482784
16
Hexadecimal
3fc29d4
20
Vigesimal
10hh3b8
36
Base36
13szis
md5
373ee71b7f29a5652d9ab52a08806e29
sha1
a9acf76489b330475db9d5abd87e3d83729a23b8
sha256
1699d093afc436e7261071b40ee64a04119b3bdd07e8f9c3a0b1a79ecf815159
sha512
b4f6bb469554a09b00054cb8b8634e0ef71efce18c26b92b33b80d786e516f8d4733a685a13b19118d11678c3c47176228fc06ffb8c072529fe75a889892b768
ripemd-160
82502f57f103dafa647c8bf30f6d526cd1bdef23
Diameter
133714856
Circumference
420077609.28542
Area
1.4042654258606E+16
Volume
1.2518076613649E+24
Surface area
5.6170617034424E+16
Circumference
420077609.28542
Perimeter
267429712
Area
4469915678775184
Diagonal
94550681.422983
Surface area
26819494072651104
Volume
2.9884706565978E+23
Space diagonal
115800462.15938
Perimeter
200572284
Area
1.9355302652968E+15
Altitude
57900231.079689
Surface area
1.9355302652968E+15
Volume
3.5219464444289E+22
Height
31516893.807661