66887628 is an even 8-digits composite number following 66887627
and preceding 66887629 . In scientific notation, it is written as 6.6887628 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 22295872 positive integers (up to 66887628) that are relatively prime to 66887628.
66887628 has 12 divisors, whose sum is 156071160
The reverse of 66887628 is 82678866
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million eight hundred eighty-seven thousand six hundred twenty-eight
Scientific notation
6.6887628 × 10^7
Engineering notation
6.6887628 × 10^6
Prime Factorization
2 × 2 × 3 × 5573969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33443814
Product of the distinct prime numbers
The prime factorization of 66887628 is 2 × 2 × 3 × 5573969.
Since it has a total of 4 prime factors.
4 , 4 , 90 , 3 , 462 , 7 , 5110 , 386 , 91494 , 63689 , 624948 , 523846 , 1195179 , 8268209 , 63189773 , 16381619 , 445069245 , 431085767 , 8348877237 , 109664303
n×2
133775256
n×3
200662884
n×4
267550512
n×5
334438140
n÷2
33443814
n÷3
22295876
n÷3
16721907
n÷5
13377525.6
n2
4473954779466384
n3
2.9925222297777E+23
n4
2.001627136871E+31
n5
1.3388409132573E+39
2 √n
8178.4856789017
3 √n
405.92761617359
4 √n
90.434980394213
5 √n
36.734079284761
1 , 2 , 3 , 4 , 6 , 12 , 5573969 , 11147938 , 16721907 , 22295876 , 33443814 , 66887628
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
-66887627
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 66887628 can be divided by 12 positive divisors.
The sum of these divisors (counting 66887628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001001111111001100
3
Ternary
11122212020120120
4
Quaternary
3333021333030
5
Quinary
114110401003
6
Senary
10345344540
8
Octal
377117714
10
Decimal
66887628
12
Duodecimal
1a498150
16
Hexadecimal
3fc9fcc
20
Vigesimal
10i0j18
36
Base36
13tmto
md5
1796d9b22019644366f0ff368b763a35
sha1
bee38f4357cbe1db43fb98f120bb95cc5ad2f6a7
sha256
6e74cec2b95dd7831ec7bf4845abf7d94d2fc31bb9ac3fbde3d5d547b355f3da
sha512
43d1775bbe013ea1114012f855a2f00770350281ecd8ecb97a565b0386eefb76148371344732cfbfd742457731b46babf3a05ecc7631a2c32ed92680beb60a51
ripemd-160
60ecbadcb020ffcf8a23d690602b19262d8932dd
Diameter
133775256
Circumference
420267361.48169
Area
1.4055343467665E+16
Volume
1.2535047803698E+24
Surface area
5.6221373870658E+16
Circumference
420267361.48169
Perimeter
267550512
Area
4473954779466384
Diagonal
94593390.672566
Surface area
26843728676798304
Volume
2.9925222297777E+23
Space diagonal
115852770.09377
Perimeter
200662884
Area
1.9372792472003E+15
Altitude
57926385.046883
Surface area
1.9372792472003E+15
Volume
3.5267212692122E+22
Height
31531130.224189