72040991 is an odd 8-digits composite number following 72040990
and preceding 72040992 . In scientific notation, it is written as 7.2040991 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 62644120 positive integers (up to 72040991) that are relatively prime to 72040991.
72040991 has 8 divisors, whose sum is 82007424
The reverse of 72040991 is 19904027
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million forty thousand nine hundred ninety-one
Scientific notation
7.2040991 × 10^7
Engineering notation
7.2040991 × 10^6
Prime Factorization
23 × 11 × 284747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72040991
Product of the distinct prime numbers
The prime factorization of 72040991 is 23 × 11 × 284747.
Since it has a total of 3 prime factors.
9 , 9 , 57 , 42 , 121 , 448 , 5806 , 2382 , 12031 , 7115 , 942862 , 4795 , 2152869 , 7027313 , 5844840 , 54442267 , 48351423 , 711515293 , 7022866746 , 3370674450
n×2
144081982
n×3
216122973
n×4
288163964
n×5
360204955
n÷2
36020495.5
n÷3
24013663.666667
n÷3
18010247.75
n÷5
14408198.2
n2
5189904384262081
n3
3.7388585503749E+23
n4
2.6935107517783E+31
n5
1.9404318382726E+39
2 √n
8487.6964483893
3 √n
416.09569844386
4 √n
92.128695032489
5 √n
37.283436519454
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
-72040990
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 72040991 can be divided by 8 positive divisors.
The sum of these divisors (counting 72040991) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010110100001000011111
3
Ternary
12000120001122212
4
Quaternary
10102310020133
5
Quinary
121420302431
6
Senary
11052031035
8
Octal
422641037
10
Decimal
72040991
12
Duodecimal
2016247b
16
Hexadecimal
44b421f
20
Vigesimal
12a529b
36
Base36
16w36n
md5
6f7406e578d38fd5247bdb0d478e8324
sha1
f4fb220e18076d7eedbadc3ffdbfa8d43ce868ed
sha256
a17bddf01634a67c1cca72497ea8da4186192d2c96b88963d3bec454c37d75b7
sha512
b454562de59bfa6148d0490ef0476b0cc89e93c9239b53ad2469bdd964852fab34961312f3cd4568254800f50ef2a1136554bf03fa7e5cdc9cbc5dbb9afafcd9
ripemd-160
07c761e26b9d4532fbe5de504ebf590ad6875f9a
Diameter
144081982
Circumference
452646896.16586
Area
1.6304565486431E+16
Volume
1.5661294072892E+24
Surface area
6.5218261945725E+16
Circumference
452646896.16586
Perimeter
288163964
Area
5189904384262081
Diagonal
101881346.519
Surface area
31139426305572486
Volume
3.7388585503749E+23
Space diagonal
124778656.63961
Perimeter
216122973
Area
2.2472945199916E+15
Altitude
62389328.319806
Surface area
2.2472945199916E+15
Volume
4.4062870581123E+22
Height
33960448.839666