68096721 is an odd 8-digits composite number following 68096720
and preceding 68096722 . In scientific notation, it is written as 6.8096721 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 33818400 positive integers (up to 68096721) that are relatively prime to 68096721.
68096721 has 16 divisors, whose sum is 78350976
The reverse of 68096721 is 12769086
Previous prime number is 161
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million ninety-six thousand seven hundred twenty-one
Scientific notation
6.8096721 × 10^7
Engineering notation
6.8096721 × 10^6
Prime Factorization
21 × 11 × 161 × 1831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68096721
Product of the distinct prime numbers
The prime factorization of 68096721 is 21 × 11 × 161 × 1831.
Since it has a total of 4 prime factors.
4 , 8 , 75 , 65 , 99 , 637 , 414 , 3329 , 46944 , 17578 , 148324 , 831432 , 5330975 , 2369271 , 82093362 , 26949530 , 258731868 , 350589768 , 3909016888 , 3410556589
n×2
136193442
n×3
204290163
n×4
272386884
n×5
340483605
n÷2
34048360.5
n÷3
22698907
n÷3
17024180.25
n÷5
13619344.2
n2
4637163410951841
n3
3.15775623027E+23
n4
2.1503284499871E+31
n5
1.4643031651713E+39
2 √n
8252.07373937
3 √n
408.35893898386
4 √n
90.840925465178
5 √n
36.865933897927
1 , 11 , 21 , 161 , 231 , 1771 , 1831 , 3381 , 20141 , 37191 , 38451 , 294791 , 422961 , 3242701 , 6190611 , 68096721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68096720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68096721 can be divided by 16 positive divisors.
The sum of these divisors (counting 68096721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011110001001011010001
3
Ternary
11202010200010210
4
Quaternary
10003301023101
5
Quinary
114413043341
6
Senary
10431314333
8
Octal
403611321
10
Decimal
68096721
12
Duodecimal
1a97b9a9
16
Hexadecimal
40f12d1
20
Vigesimal
115c1g1
36
Base36
14jjrl
md5
8bb648181f4016ae6ee4b44fefd9d433
sha1
c20c40a636baa482371fef945aa25804b5d93f25
sha256
d99c18fb4cfebd1e3e9d75f1d35e34da22b81a635d1791371ee0ab31b20520c4
sha512
914baa82894f651bedf6d0ff4921bfb721fc03770a56063b96da3c85ba5e6d37a2052cf3a418e04f957dfb1a548a2399cd170321c7b1c341ea1604e57a6e79f5
ripemd-160
0ef926bd3372d3102ca42c923831ac2d00ebf5ac
Diameter
136193442
Circumference
427864316.85431
Area
1.4568078505342E+16
Volume
1.3227178366458E+24
Surface area
5.8272314021367E+16
Circumference
427864316.85431
Perimeter
272386884
Area
4637163410951841
Diagonal
96303306.391337
Surface area
27822980465711046
Volume
3.15775623027E+23
Space diagonal
117946980.60084
Perimeter
204290163
Area
2.007950657692E+15
Altitude
58973490.300421
Surface area
2.007950657692E+15
Volume
3.7214514062633E+22
Height
32101102.130446