66769905 is an odd 8-digits composite number following 66769904
and preceding 66769906 . In scientific notation, it is written as 6.6769905 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 35515968 positive integers (up to 66769905) that are relatively prime to 66769905.
66769905 has 8 divisors, whose sum is 71410560
The reverse of 66769905 is 50996766
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million seven hundred sixty-nine thousand nine hundred five
Scientific notation
6.6769905 × 10^7
Engineering notation
6.6769905 × 10^6
Prime Factorization
15 × 389 × 11443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66769905
Product of the distinct prime numbers
The prime factorization of 66769905 is 15 × 389 × 11443.
Since it has a total of 3 prime factors.
8 , 8 , 69 , 45 , 493 , 473 , 418 , 2202 , 74484 , 96207 , 651789 , 647894 , 9120885 , 8994878 , 45500169 , 38259577 , 94197088 , 473993014 , 5367970879 , 3678689942
n×2
133539810
n×3
200309715
n×4
267079620
n×5
333849525
n÷2
33384952.5
n÷3
22256635
n÷3
16692476.25
n÷5
13353981
n2
4458220213709025
n3
2.9767494013843E+23
n4
1.9875727473924E+31
n5
1.3271004352398E+39
2 √n
8171.2853945998
3 √n
405.68933055502
4 √n
90.395162451316
5 √n
36.721139691016
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
-66769904
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 66769905 can be divided by 8 positive divisors.
The sum of these divisors (counting 66769905) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110101101001111110001
3
Ternary
11122122021002110
4
Quaternary
3332231033301
5
Quinary
114043114110
6
Senary
10343035533
8
Octal
376551761
10
Decimal
66769905
12
Duodecimal
1a43bba9
16
Hexadecimal
3fad3f1
20
Vigesimal
10h64f5
36
Base36
13r3zl
md5
6f681f5823ec755a40bb3b408f47b5f9
sha1
f851f6b9c5f864ee609230da435fe1ec5da01a51
sha256
7f969a886e846bc99e5ee13793b8a3bfbd03711e3bd31236ebb6c016b3c72444
sha512
ab1341402215196f3dca1dc03fe78bd16248b75488eb13b0becd2fda82ef1ab43f66068de61e60e845e42a0f3447da0fbc4451ed434d69730b9c3ff5bf79b801
ripemd-160
137d4396b8f0f946fdb0e9ad536a362d56f6657a
Diameter
133539810
Circumference
419527686.05778
Area
1.4005911871474E+16
Volume
1.2468978734622E+24
Surface area
5.6023647485895E+16
Circumference
419527686.05778
Perimeter
267079620
Area
4458220213709025
Diagonal
94426905.209363
Surface area
26749321282254150
Volume
2.9767494013843E+23
Space diagonal
115648867.87655
Perimeter
200309715
Area
1.9304659803687E+15
Altitude
57824433.938274
Surface area
1.9304659803687E+15
Volume
3.5081328126864E+22
Height
31475635.069788