68746721 is an odd 8-digits prime number following 68746720
and preceding 68746722 . In scientific notation, it is written as 6.8746721 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 68746720 positive integers (up to 68746721) that are relatively prime to 68746721.
68746721 has 2 divisors, whose sum is 68746722
The reverse of 68746721 is 12764786
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million seven hundred forty-six thousand seven hundred twenty-one
Scientific notation
6.8746721 × 10^7
Engineering notation
6.8746721 × 10^6
Prime Factorization
68746721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68746721
Product of the distinct prime numbers
The prime factorization of 68746721 is 68746721.
Since it has a total of 1 prime factors.
4 , 8 , 62 , 83 , 914 , 562 , 6269 , 1992 , 73028 , 65091 , 147716 , 279172 , 2588210 , 1184928 , 46752137 , 53202027 , 682306695 , 871095135 , 8426594327 , 1496137991
n×2
137493442
n×3
206240163
n×4
274986884
n×5
343733605
n÷2
34373360.5
n÷3
22915573.666667
n÷3
17186680.25
n÷5
13749344.2
n2
4726111648251841
n3
3.2490467889722E+23
n4
2.2336131311742E+31
n5
1.5355357875077E+39
2 √n
8291.364242391
3 √n
409.65412233751
4 √n
91.056928579823
5 √n
36.936045599771
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68746722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34373361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8291.3643026947
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999709077
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68746721 can be divided by 2 positive divisors.
The sum of these divisors (counting 68746721) is 68746722, the average is 34373361.
Base
System
Value
2
Binary
100000110001111110111100001
3
Ternary
11210100200202212
4
Quaternary
10012033313201
5
Quinary
120044343341
6
Senary
10453251505
8
Octal
406176741
10
Decimal
68746721
12
Duodecimal
1b033b95
16
Hexadecimal
418fde1
20
Vigesimal
119d6g1
36
Base36
14xhb5
md5
6dea092f8abaadb976e2b35b738a3381
sha1
5fddb695513cd52247d7e61115311e423362a1c4
sha256
2df02c70c6da2112f42c84a9b190df9753086f24ec2d0d8d7257f37ee8e67e56
sha512
ff18924f98c19a3866b1c657367b2b03a0d24c5c101452f13bb6c5e88372705acf0ba445c0ac422b3a035588a9fc888b43258f01c6f37fd0fdd9351b1e144e21
ripemd-160
0ee2e88d31fae92e4c6b9141b14213bf16188f8b
Diameter
137493442
Circumference
431948387.30397
Area
1.4847517634193E+16
Volume
1.3609575364539E+24
Surface area
5.9390070536773E+16
Circumference
431948387.30397
Perimeter
274986884
Area
4726111648251841
Diagonal
97222545.206879
Surface area
28356669889511046
Volume
3.2490467889722E+23
Space diagonal
119072813.62576
Perimeter
206240163
Area
2.0464663742538E+15
Altitude
59536406.812881
Surface area
2.0464663742538E+15
Volume
3.8290383614577E+22
Height
32407515.06896