68664993 is an odd 8-digits composite number following 68664992
and preceding 68664994 . In scientific notation, it is written as 6.8664993 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 43367328 positive integers (up to 68664993) that are relatively prime to 68664993.
68664993 has 8 divisors, whose sum is 96372000
The reverse of 68664993 is 39946686
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million six hundred sixty-four thousand nine hundred ninety-three
Scientific notation
6.8664993 × 10^7
Engineering notation
6.8664993 × 10^6
Prime Factorization
3 × 19 × 1204649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68664993
Product of the distinct prime numbers
The prime factorization of 68664993 is 3 × 19 × 1204649.
Since it has a total of 3 prime factors.
7 , 1 , 65 , 4 , 718 , 849 , 3963 , 1726 , 17391 , 65738 , 537549 , 976567 , 332936 , 9657439 , 75303516 , 97563057 , 593756228 , 587661960 , 2972853978 , 1291945976
n×2
137329986
n×3
205994979
n×4
274659972
n×5
343324965
n÷2
34332496.5
n÷3
22888331
n÷3
17166248.25
n÷5
13732998.6
n2
4714881263690049
n3
3.2374728896711E+23
n4
2.2230105330695E+31
n5
1.5264300269215E+39
2 √n
8286.4342753684
3 √n
409.49172192145
4 √n
91.029853758909
5 √n
36.927259302459
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
-68664992
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 68664993 can be divided by 8 positive divisors.
The sum of these divisors (counting 68664993) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101111011111010100001
3
Ternary
11210012112122220
4
Quaternary
10011323322201
5
Quinary
120034234433
6
Senary
10451421253
8
Octal
405737241
10
Decimal
68664993
12
Duodecimal
1abb4829
16
Hexadecimal
417bea1
20
Vigesimal
119329d
36
Base36
14vq8x
md5
4a49d52a0cf81c73e4a715935b1ef51f
sha1
0981cd532340c37d1c86dbac3b9060dee69ac907
sha256
c8f55637b044e4ebd3f934c9c5a7e9250450645c44326e84ddb32aced739de4f
sha512
87f383500081980589b1b99abb0362c075a248777b3cb78c18ad82b5a3b44e375220021b295e7e7a51ea6b63aeae16103cda18ef4bbdc0a618b31d39ee1cac6a
ripemd-160
6a16e10558b03e2cf87a488c7513897ffdf39161
Diameter
137329986
Circumference
431434875.13519
Area
1.4812236340557E+16
Volume
1.3561094728516E+24
Surface area
5.9248945362227E+16
Circumference
431434875.13519
Perimeter
274659972
Area
4714881263690049
Diagonal
97106964.360854
Surface area
28289287582140294
Volume
3.2374728896711E+23
Space diagonal
118931256.57736
Perimeter
205994979
Area
2.0416034750914E+15
Altitude
59465628.288681
Surface area
2.0416034750914E+15
Volume
3.8153983903234E+22
Height
32368988.120285