68731649 is an odd 8-digits composite number following 68731648
and preceding 68731650 . In scientific notation, it is written as 6.8731649 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 58912836 positive integers (up to 68731649) that are relatively prime to 68731649.
68731649 has 4 divisors, whose sum is 78550464
The reverse of 68731649 is 94613786
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million seven hundred thirty-one thousand six hundred forty-nine
Scientific notation
6.8731649 × 10^7
Engineering notation
6.8731649 × 10^6
Prime Factorization
7 × 9818807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68731649
Product of the distinct prime numbers
The prime factorization of 68731649 is 7 × 9818807.
Since it has a total of 2 prime factors.
3 , 3 , 43 , 33 , 30 , 302 , 1440 , 3498 , 53057 , 2869 , 583610 , 582413 , 8817444 , 8788597 , 57982255 , 77007096 , 894465407 , 229395691 , 8444210725 , 6182525832
n×2
137463298
n×3
206194947
n×4
274926596
n×5
343658245
n÷2
34365824.5
n÷3
22910549.666667
n÷3
17182912.25
n÷5
13746329.8
n2
4724039574259201
n3
3.2469102988009E+23
n4
2.2316549899167E+31
n5
1.5338532745605E+39
2 √n
8290.4552950969
3 √n
409.62418268796
4 √n
91.051937349498
5 √n
36.934425889338
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
-68731648
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 68731649 can be divided by 4 positive divisors.
The sum of these divisors (counting 68731649) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110001100001100000001
3
Ternary
11210022221002122
4
Quaternary
10012030030001
5
Quinary
120043403044
6
Senary
10453054025
8
Octal
406141401
10
Decimal
68731649
12
Duodecimal
1b027315
16
Hexadecimal
418c301
20
Vigesimal
119b929
36
Base36
14x5oh
md5
f9d3702b4f625e582cb8dd8ca6a802e2
sha1
828a21e5418f6deb5ab0e1b8adda3934ce03a6c8
sha256
f60915e7dbebc15e4fb1d19686843fb93763193d2bda184b42d55ca149243a04
sha512
cf3cfff64375cdccf57a242461230e67d20958263d69946ba57c23fa6c476ed8ee3fa500e2f2fda02eb8e69a3df7718af77366fc5f7fb2f164d021aed2d4332d
ripemd-160
b84a5c0b4e9f0a26d1bb00b642eb5844e90511fe
Diameter
137463298
Circumference
431853687.13502
Area
1.484100802176E+16
Volume
1.3600626055437E+24
Surface area
5.9364032087041E+16
Circumference
431853687.13502
Perimeter
274926596
Area
4724039574259201
Diagonal
97201230.180067
Surface area
28344237445555206
Volume
3.2469102988009E+23
Space diagonal
119046708.15599
Perimeter
206194947
Area
2.0455691398957E+15
Altitude
59523354.077995
Surface area
2.0455691398957E+15
Volume
3.8265204836443E+22
Height
32400410.060022