66887025 is an odd 8-digits composite number following 66887024
and preceding 66887026 . In scientific notation, it is written as 6.6887025 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 35673040 positive integers (up to 66887025) that are relatively prime to 66887025.
66887025 has 8 divisors, whose sum is 92750112
The reverse of 66887025 is 52078866
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million eight hundred eighty-seven thousand twenty-five
Scientific notation
6.6887025 × 10^7
Engineering notation
6.6887025 × 10^6
Prime Factorization
3 × 25 × 891827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66887025
Product of the distinct prime numbers
The prime factorization of 66887025 is 3 × 25 × 891827.
Since it has a total of 3 prime factors.
3 , 4 , 36 , 86 , 110 , 905 , 3576 , 1940 , 77925 , 84352 , 793925 , 457104 , 3668210 , 6599920 , 66955014 , 46380908 , 701424130 , 60949421 , 1174173577 , 7169103817
n×2
133774050
n×3
200661075
n×4
267548100
n×5
334435125
n÷2
33443512.5
n÷3
22295675
n÷3
16721756.25
n÷5
13377405
n2
4473874113350625
n3
2.9924412966654E+23
n4
2.0015549582109E+31
n5
1.3387805652873E+39
2 √n
8178.4488138033
3 √n
405.92639634118
4 √n
90.434776572971
5 √n
36.734013052095
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
-66887024
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 66887025 can be divided by 8 positive divisors.
The sum of these divisors (counting 66887025) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001110101110001
3
Ternary
11122212012202020
4
Quaternary
3333021311301
5
Quinary
114110341100
6
Senary
10345342053
8
Octal
377116561
10
Decimal
66887025
12
Duodecimal
1a497929
16
Hexadecimal
3fc9d71
20
Vigesimal
10i0hb5
36
Base36
13tmcx
md5
29f7dc6901334fdbce80a3d3b4cbbf73
sha1
87a4197edc97bad5c87c6383c856bc38469179ba
sha256
b325c6aed98a530bdb6839b3a71d09266bebc00a83e5b43ffc51fcb6dbfbf277
sha512
64f3230b6beea490f654c0232c276783513f15f3b1a50572ff955a91b7c2ae0fd9862222e1a5e2264aeebbde1c19b94112b0f582a69914a46b08221e3af021a2
ripemd-160
182f903f59c64108fd5aad2ff6d9ecfb4f21d44b
Diameter
133774050
Circumference
420263572.72095
Area
1.4055090047588E+16
Volume
1.253470879187E+24
Surface area
5.6220360190351E+16
Circumference
420263572.72095
Perimeter
267548100
Area
4473874113350625
Diagonal
94592537.901788
Surface area
26843244680103750
Volume
2.9924412966654E+23
Space diagonal
115851725.66713
Perimeter
200661075
Area
1.9372443177476E+15
Altitude
57925862.833565
Surface area
1.9372443177476E+15
Volume
3.5266258886246E+22
Height
31530845.967263