66888925 is an odd 8-digits composite number following 66888924
and preceding 66888926 . In scientific notation, it is written as 6.6888925 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 53511120 positive integers (up to 66888925) that are relatively prime to 66888925.
66888925 has 4 divisors, whose sum is 69564508
The reverse of 66888925 is 52988866
Previous prime number is 25
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 nine hundred twenty-five
Scientific notation
6.6888925 × 10^7
Engineering notation
6.6888925 × 10^6
Prime Factorization
25 × 2675557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66888925
Product of the distinct prime numbers
The prime factorization of 66888925 is 25 × 2675557.
Since it has a total of 2 prime factors.
2 , 5 , 36 , 47 , 822 , 66 , 4412 , 4195 , 11034 , 61339 , 111312 , 429079 , 8279966 , 8406381 , 32061610 , 81929020 , 503691289 , 408198824 , 7255514925 , 8284806964
n×2
133777850
n×3
200666775
n×4
267555700
n×5
334444625
n÷2
33444462.5
n÷3
22296308.333333
n÷3
16722231.25
n÷5
13377785
n2
4474128287655625
n3
2.9926963147338E+23
n4
2.00178239344E+31
n5
1.3389707238113E+39
2 √n
8178.5649719251
3 √n
405.93023990103
4 √n
90.435418791119
5 √n
36.734221743786
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
-66888924
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 66888925 can be divided by 4 positive divisors.
The sum of these divisors (counting 66888925) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001010010011011101
3
Ternary
11122212022100121
4
Quaternary
3333022103131
5
Quinary
114110421200
6
Senary
10345354541
8
Octal
377122335
10
Decimal
66888925
12
Duodecimal
1a498a51
16
Hexadecimal
3fca4dd
20
Vigesimal
10i1265
36
Base36
13tntp
md5
905dbe40e8812096b4fbf1339865fe35
sha1
5f94ed32cc05e8de13b25bea45185cb655c9da0a
sha256
af16b79453d2839286d5e61367aad0708025d6907b6d3bb6e1bd4dbce0033e0a
sha512
18dd8e60a253441b0d3956aa9d625e93a1229381243a80141b455d8e02bb652c2fedc42f95e08d9b38e7ec719a483001f153daf3d15c0e4e3238e70f31ab839d
ripemd-160
1a163f2439a6df423f35d0fa6898bcef43feb5f0
Diameter
133777850
Circumference
420275510.77304
Area
1.4055888559717E+16
Volume
1.2535777009057E+24
Surface area
5.6223554238869E+16
Circumference
420275510.77304
Perimeter
267555700
Area
4474128287655625
Diagonal
94595224.907557
Surface area
26844769725933750
Volume
2.9926963147338E+23
Space diagonal
115855016.56366
Perimeter
200666775
Area
1.9373543784502E+15
Altitude
57927508.281832
Surface area
1.9373543784502E+15
Volume
3.5269264303004E+22
Height
31531741.635852