66887913 is an odd 8-digits composite number following 66887912
and preceding 66887914 . In scientific notation, it is written as 6.6887913 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 44539344 positive integers (up to 66887913) that are relatively prime to 66887913.
66887913 has 8 divisors, whose sum is 89289088
The reverse of 66887913 is 31978866
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million eight hundred eighty-seven thousand nine hundred thirteen
Scientific notation
6.6887913 × 10^7
Engineering notation
6.6887913 × 10^6
Prime Factorization
3 × 877 × 25423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66887913
Product of the distinct prime numbers
The prime factorization of 66887913 is 3 × 877 × 25423.
Since it has a total of 3 prime factors.
8 , 1 , 57 , 25 , 81 , 19 , 9660 , 9228 , 26277 , 9549 , 247010 , 556140 , 301239 , 5420714 , 70445788 , 51163287 , 867261234 , 957397714 , 3585290100 , 1704837035
n×2
133775826
n×3
200663739
n×4
267551652
n×5
334439565
n÷2
33443956.5
n÷3
22295971
n÷3
16721978.25
n÷5
13377582.6
n2
4473992905495569
n3
2.992560482254E+23
n4
2.0016612518425E+31
n5
1.3388694366871E+39
2 √n
8178.5031026466
3 √n
405.92819270874
4 √n
90.435076727156
5 √n
36.734110588591
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
-66887912
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 66887913 can be divided by 8 positive divisors.
The sum of these divisors (counting 66887913) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001010000011101001
3
Ternary
11122212020222010
4
Quaternary
3333022003221
5
Quinary
114110403123
6
Senary
10345350133
8
Octal
377120351
10
Decimal
66887913
12
Duodecimal
1a498349
16
Hexadecimal
3fca0e9
20
Vigesimal
10i0jfd
36
Base36
13tn1l
md5
bda9eedec8b86508c2ec6794d3b0b194
sha1
3d1f4c5d34d1b7b7c85faae16c8fce4c1e4f7389
sha256
287eab743b1d88e19312090c5843d9e657e70233c9882a7c220d551abafaefac
sha512
877f3b9eb143794b5cb510079a20829d869edfdb2043fcc2920101cdbc47d8a6d3f114e305322a207de93940003d4278f09238cfd1cec9fb0c7f6fbc36a9a6cd
ripemd-160
6775a67f71e35ca65e92a7e0ce45fea37a83c557
Diameter
133775826
Circumference
420269152.18951
Area
1.4055463244118E+16
Volume
1.2535208035297E+24
Surface area
5.6221852976471E+16
Circumference
420269152.18951
Perimeter
267551652
Area
4473992905495569
Diagonal
94593793.723432
Surface area
26843957432973414
Volume
2.992560482254E+23
Space diagonal
115853263.72825
Perimeter
200663739
Area
1.9372957562553E+15
Altitude
57926631.864123
Surface area
1.9372957562553E+15
Volume
3.5267663501879E+22
Height
31531264.574477