72028081 is an odd 8-digits composite number following 72028080
and preceding 72028082 . In scientific notation, it is written as 7.2028081 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 71886064 positive integers (up to 72028081) that are relatively prime to 72028081.
72028081 has 4 divisors, whose sum is 72170100
The reverse of 72028081 is 18082027
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million twenty-eight thousand eighty-one
Scientific notation
7.2028081 × 10^7
Engineering notation
7.2028081 × 10^6
Prime Factorization
509 × 141509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72028081
Product of the distinct prime numbers
The prime factorization of 72028081 is 509 × 141509.
Since it has a total of 2 prime factors.
4 , 10 , 93 , 35 , 460 , 303 , 4961 , 9691 , 96637 , 31210 , 624941 , 138870 , 4603198 , 6743575 , 81747953 , 27813550 , 801320456 , 366136288 , 25970024 , 7897368727
n×2
144056162
n×3
216084243
n×4
288112324
n×5
360140405
n÷2
36014040.5
n÷3
24009360.333333
n÷3
18007020.25
n÷5
14405616.2
n2
5188044452542561
n3
3.7368488605934E+23
n4
2.6915805241558E+31
n5
1.9386938001191E+39
2 √n
8486.9359017257
3 √n
416.07084168612
4 √n
92.124567308214
5 √n
37.282100158961
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
-72028080
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 72028081 can be divided by 4 positive divisors.
The sum of these divisors (counting 72028081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010110000111110110001
3
Ternary
12000112101221201
4
Quaternary
10102300332301
5
Quinary
121414344311
6
Senary
11051451201
8
Octal
422607661
10
Decimal
72028081
12
Duodecimal
20156b01
16
Hexadecimal
44b0fb1
20
Vigesimal
12a3a41
36
Base36
16vt81
md5
5bebbcd466fe3d47910c22f6a913c8eb
sha1
ead03596359679876637eb0cc20323725160dd90
sha256
1c64431b9ea73d33212d60b1f04a54982a1655b2a3b75d007cf6866736341d9b
sha512
aacbcc338e04e8969202e5fb40f6a38e80d0cd20b344c02263a58ac59c09d5ba0e344df7aadc11b9296907a2c4f2706c1837d628a20d6d700ae04eede8ba0cd2
ripemd-160
e0696f9899e0b6a9c406fbcd7ed3586f0ca75c92
Diameter
144056162
Circumference
452565780.24354
Area
1.6298722338605E+16
Volume
1.5652875904021E+24
Surface area
6.519488935442E+16
Circumference
452565780.24354
Perimeter
288112324
Area
5188044452542561
Diagonal
101863089.02191
Surface area
31128266715255366
Volume
3.7368488605934E+23
Space diagonal
124756295.86369
Perimeter
216084243
Area
2.2464891459324E+15
Altitude
62378147.931843
Surface area
2.2464891459324E+15
Volume
4.4039186159913E+22
Height
33954363.007303