66873891 is an odd 8-digits composite number following 66873890
and preceding 66873892 . In scientific notation, it is written as 6.6873891 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 38213640 positive integers (up to 66873891) that are relatively prime to 66873891.
66873891 has 4 divisors, whose sum is 70058384
The reverse of 66873891 is 19837866
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million eight hundred seventy-three thousand eight hundred ninety-one
Scientific notation
6.6873891 × 10^7
Engineering notation
6.6873891 × 10^6
Prime Factorization
21 × 3184471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66873891
Product of the distinct prime numbers
The prime factorization of 66873891 is 21 × 3184471.
Since it has a total of 2 prime factors.
9 , 6 , 25 , 17 , 733 , 507 , 8303 , 9625 , 73074 , 47996 , 151014 , 757429 , 8524382 , 2720256 , 93650322 , 85171878 , 944725484 , 85220758 , 9785321921 , 8276302515
n×2
133747782
n×3
200621673
n×4
267495564
n×5
334369455
n÷2
33436945.5
n÷3
22291297
n÷3
16718472.75
n÷5
13374778.2
n2
4472117297479881
n3
2.9906788469088E+23
n4
1.9999833122419E+31
n5
1.3374666602468E+39
2 √n
8177.6458103784
3 √n
405.8998252372
4 √n
90.430336781295
5 √n
36.732570313607
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
-66873890
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 66873891 can be divided by 4 positive divisors.
The sum of these divisors (counting 66873891) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000110101000100011
3
Ternary
11122211112201210
4
Quaternary
3333012220203
5
Quinary
114104431031
6
Senary
10345201203
8
Octal
377065043
10
Decimal
66873891
12
Duodecimal
1a490203
16
Hexadecimal
3fc6a23
20
Vigesimal
10hj4eb
36
Base36
13tc83
md5
c5c2f70d02b52a83f56881f2e9b66586
sha1
d0247d1386b470acba9a22f40be691be62345c83
sha256
1d5008002780395417712d04fddbf486acdf82d09ef3b4026d177e42cdc01263
sha512
5ffb3fdab24a1a714687fbbedeb8074754dd98f06ff69f177a99af268ac2ac29a9f0dcf7eb71841a805b599c6b5a41cdb58b03bf58b580f17825b2cabac2d9d6
ripemd-160
6c5d5737d1db02d718e436df6e28c23686a85f4f
Diameter
133747782
Circumference
420181049.36513
Area
1.4049570847755E+16
Volume
1.2527326259594E+24
Surface area
5.6198283391019E+16
Circumference
420181049.36513
Perimeter
267495564
Area
4472117297479881
Diagonal
94573963.62086
Surface area
26832703784879286
Volume
2.9906788469088E+23
Space diagonal
115828976.91182
Perimeter
200621673
Area
1.9364835941607E+15
Altitude
57914488.455912
Surface area
1.9364835941607E+15
Volume
3.5245488216673E+22
Height
31524654.540287