66872709 is an odd 8-digits composite number following 66872708
and preceding 66872710 . In scientific notation, it is written as 6.6872709 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 44478720 positive integers (up to 66872709) that are relatively prime to 66872709.
66872709 has 20 divisors, whose sum is 100127500
The reverse of 66872709 is 90727866
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million eight hundred seventy-two thousand seven hundred nine
Scientific notation
6.6872709 × 10^7
Engineering notation
6.6872709 × 10^6
Prime Factorization
3 × 3 × 9 × 661 × 1249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22290903
Product of the distinct prime numbers
The prime factorization of 66872709 is 3 × 3 × 9 × 661 × 1249.
Since it has a total of 5 prime factors.
1 , 10 , 43 , 61 , 247 , 941 , 8330 , 475 , 73106 , 90622 , 93674 , 890929 , 9419627 , 2254200 , 2394730 , 11466288 , 112297169 , 370567552 , 9506580650 , 5804429658
n×2
133745418
n×3
200618127
n×4
267490836
n×5
334363545
n÷2
33436354.5
n÷3
22290903
n÷3
16718177.25
n÷5
13374541.8
n2
4471959208998681
n3
2.9905202684324E+23
n4
1.9998419166948E+31
n5
1.3373484654113E+39
2 √n
8177.5735398711
3 √n
405.89743378859
4 √n
90.429937188251
5 √n
36.732440462616
1 , 3 , 9 , 27 , 81 , 661 , 1249 , 1983 , 3747 , 5949 , 11241 , 17847 , 33723 , 53541 , 101169 , 825589 , 2476767 , 7430301 , 22290903 , 66872709
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66872708
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66872709 can be divided by 20 positive divisors.
The sum of these divisors (counting 66872709) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111111000110010110000101
3
Ternary
11122211111010000
4
Quaternary
3333012112011
5
Quinary
114104411314
6
Senary
10345151513
8
Octal
377062605
10
Decimal
66872709
12
Duodecimal
1a48b599
16
Hexadecimal
3fc6585
20
Vigesimal
10hj1f9
36
Base36
13tbb9
md5
d1187a486b12922bfbc5815ddad89618
sha1
2cab99e26368dd648d090d86f4e068b553297ee1
sha256
da440b54ba6af06d8706fc5e2564cf293e0498da4b3e02c3e18c9d066c0b2346
sha512
70038dd9a825482fab93e8fb0c93fc21e3a6a58bc36f7d09f8e6cf7696d292fb54b4ea25af7de9015ac257a8678d24fdc7cca7c9efb9330e1ae69f9a0f52a2c2
ripemd-160
3d353bd45ff9f2054781e0484654f6ae2a64fbc5
Diameter
133745418
Circumference
420173622.6401
Area
1.4049074198143E+16
Volume
1.2526662007625E+24
Surface area
5.6196296792574E+16
Circumference
420173622.6401
Perimeter
267490836
Area
4471959208998681
Diagonal
94572292.020429
Surface area
26831755253992086
Volume
2.9905202684324E+23
Space diagonal
115826929.62777
Perimeter
200618127
Area
1.9364151398403E+15
Altitude
57913464.813884
Surface area
1.9364151398403E+15
Volume
3.5243619351406E+22
Height
31524097.340143