72068905 is an odd 8-digits composite number following 72068904
and preceding 72068906 . In scientific notation, it is written as 7.2068905 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 56842800 positive integers (up to 72068905) that are relatively prime to 72068905.
72068905 has 4 divisors, whose sum is 72272272
The reverse of 72068905 is 50986027
Previous prime number is 355
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million sixty-eight thousand nine hundred five
Scientific notation
7.2068905 × 10^7
Engineering notation
7.2068905 × 10^6
Prime Factorization
355 × 203011
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72068905
Product of the distinct prime numbers
The prime factorization of 72068905 is 355 × 203011.
Since it has a total of 2 prime factors.
9 , 4 , 54 , 87 , 470 , 411 , 2318 , 1573 , 36635 , 95901 , 2326 , 249978 , 9139699 , 3863936 , 93279692 , 10713603 , 878181928 , 713858987 , 7176456404 , 1645685936
n×2
144137810
n×3
216206715
n×4
288275620
n×5
360344525
n÷2
36034452.5
n÷3
24022968.333333
n÷3
18017226.25
n÷5
14413781
n2
5193927067899025
n3
3.7432063643334E+23
n4
2.6976878386654E+31
n5
1.9441940856443E+39
2 √n
8489.3406693335
3 √n
416.14943357128
4 √n
92.137618101042
5 √n
37.286325343075
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
-72068904
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 72068905 can be divided by 4 positive divisors.
The sum of these divisors (counting 72068905) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010111010111100101001
3
Ternary
12000121110221201
4
Quaternary
10102322330221
5
Quinary
121422201110
6
Senary
11052404201
8
Octal
422727451
10
Decimal
72068905
12
Duodecimal
20176661
16
Hexadecimal
44baf29
20
Vigesimal
12a8c55
36
Base36
16woq1
md5
d4bbfeef564bf668a9993bec13cc756b
sha1
97c96a6c3004f87d908b79eb84bca69bd14cdbeb
sha256
bf5d50c345b09bc028c57fc6380513f89052f5b301f352a1a9eac8a270acf5ab
sha512
cb765d2730e3c562ed4d0f3bf30a8afce7d654a87beb30f748b3b567f2bc77a2a0458d128c6da6b6a679ea6b9c61b64092e8ca341d5f9b7aa03708f1fc01cc06
ripemd-160
4481d76048a7c4c1f0a3106f3dd11f893ce6fcac
Diameter
144137810
Circumference
452822285.00052
Area
1.6317203119793E+16
Volume
1.5679506153414E+24
Surface area
6.5268812479171E+16
Circumference
452822285.00052
Perimeter
288275620
Area
5193927067899025
Diagonal
101920822.87638
Surface area
31163562407394150
Volume
3.7432063643334E+23
Space diagonal
124827005.10585
Perimeter
216206715
Area
2.2490363931021E+15
Altitude
62413502.552927
Surface area
2.2490363931021E+15
Volume
4.4114110060014E+22
Height
33973607.625459