72440981 is an odd 8-digits composite number following 72440980
and preceding 72440982 . In scientific notation, it is written as 7.2440981 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 72384000 positive integers (up to 72440981) that are relatively prime to 72440981.
72440981 has 4 divisors, whose sum is 72497964
The reverse of 72440981 is 18904427
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million four hundred forty thousand nine hundred eighty-one
Scientific notation
7.2440981 × 10^7
Engineering notation
7.2440981 × 10^6
Prime Factorization
1301 × 55681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72440981
Product of the distinct prime numbers
The prime factorization of 72440981 is 1301 × 55681.
Since it has a total of 2 prime factors.
2 , 1 , 93 , 2 , 762 , 391 , 6650 , 2375 , 17821 , 84348 , 665060 , 928541 , 9146804 , 362321 , 31293871 , 19144734 , 114420749 , 347256822 , 7876501097 , 2396041643
n×2
144881962
n×3
217322943
n×4
289763924
n×5
362204905
n÷2
36220490.5
n÷3
24146993.666667
n÷3
18110245.25
n÷5
14488196.2
n2
5247695728242361
n3
3.8014822654339E+23
n4
2.7538310456213E+31
n5
1.9949022245306E+39
2 √n
8511.2267623416
3 √n
416.86436747748
4 √n
92.25631014918
5 √n
37.324746310327
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
-72440980
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 72440981 can be divided by 4 positive divisors.
The sum of these divisors (counting 72440981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010100010101110010010101
3
Ternary
12001022101100022
4
Quaternary
10110111302111
5
Quinary
122021102411
6
Senary
11104354525
8
Octal
424256225
10
Decimal
72440981
12
Duodecimal
20315a45
16
Hexadecimal
4515c95
20
Vigesimal
12cf291
36
Base36
174nth
md5
e821d4297ad464504ff728650a08bbf8
sha1
e9c7dc1b7fc8bd4dcd85486bb445102bc334b196
sha256
7b17990a9163a2ac1b2e5cee43e46e59fd4d4aaede1c22106017d3572e7f4023
sha512
ab30eb7798291efd56e9aa113d3879ef6a103c63bcbb1e2d14283eb776fa25ec0c5cce6716b1630f9c3f9dc1641ba0eade0f67b9580040a57d3e386140fdbf75
ripemd-160
750240ea56b4bfd9a413382e44f4a09600f05452
Diameter
144881962
Circumference
455160107.45688
Area
1.6486122348121E+16
Volume
1.5923611677119E+24
Surface area
6.5944489392483E+16
Circumference
455160107.45688
Perimeter
289763924
Area
5247695728242361
Diagonal
102447017.80181
Surface area
31486174369454166
Volume
3.8014822654339E+23
Space diagonal
125471459.64213
Perimeter
217322943
Area
2.2723189059945E+15
Altitude
62735729.821066
Surface area
2.2723189059945E+15
Volume
4.4800898140811E+22
Height
34149005.933937