2720247981 is an odd 10-digits composite number following 2720247980
and preceding 2720247982 . In scientific notation, it is written as 2.720247981 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1648635120 positive integers (up to 2720247981) that are relatively prime to 2720247981.
2720247981 has 8 divisors, whose sum is 3956724384
The reverse of 2720247981 is 1897420272
Previous prime number is 11
Is Prime? no Number parity odd Number length 10 Sum of Digits 42 Digital Root 6
Name
two billion seven hundred twenty million two hundred forty-seven thousand nine hundred eighty-one
Scientific notation
2.720247981 × 10^9
Engineering notation
2.720247981 × 10^9
Prime Factorization
3 × 11 × 82431757
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2720247981 Product of the distinct prime numbers
The prime factorization of 2720247981 is 3 × 11 × 82431757.
Since it has a total of 3 prime factors.
3 , 4 , 1 , 81 , 394 , 667 , 2652 , 4430 , 49326 , 56095 , 387320 , 703474 , 7003260 , 7372164 , 7151130 , 39716938 , 355921728 , 716591994 , 4225927464 , 8923248316
n×2
5440495962
n×3
8160743943
n×4
10880991924
n×5
13601239905
n÷2
1360123990.5
n÷3
906749327
n÷3
680061995.25
n÷5
544049596.2
n2
7399749078134576361
n3
2.0129152489702E+28
n4
5.4756286419354E+37
n5
1.489506775793E+47
2 √n52155.996596748
3 √n1395.948829449
4 √n228.37687404102
5 √n77.076449235163
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
-2720247980 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 2720247981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2720247981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100010001000111011000010101101
3
Ternary
21000120121220201020
4
Quaternary
2202020323002231
5
Quinary
21032340413411
6
Senary
1125532204353
8
Octal
24210730255
10
Decimal
2720247981
12
Duodecimal
63b0096b9
16
Hexadecimal
a223b0ad
20
Vigesimal
22a1ajj1
36
Base36
18zkcrx
md5
61f6d6d591b21593766527746f08cc58
sha1
900a2af49e5663178d40581d4644b284c8632bcf
sha256
dbfd659ed714db6da2b68c46c2dd503ef679c8161dbbe5f424d4970f515ebd6d
sha512
aaacdc7786e2b22be5c8bddcd543da6aeb63bd101ef81cd2fab8d0cb5b1ff6d56fc1e6c94413bd170582a44d4c7255d153414fa8be9a7f8457b767702fb51b4a
ripemd-160
508855ff140b6b3904d3002985dcaeda3ea3136b
Diameter
5440495962
Circumference
17091822146.104
Area
2.3246997342275E+19
Volume
8.4316796779516E+28
Surface area
9.2987989369102E+19
Circumference
17091822146.104
Perimeter
10880991924
Area
7399749078134576361
Diagonal
3847011587.7482
Surface area
4.4398494468807E+19
Volume
2.0129152489702E+28
Space diagonal
4711607712.2787
Perimeter
8160743943
Area
3.2041853416475E+18
Altitude
2355803856.1393
Surface area
3.2041853416475E+18
Volume
2.3722433708344E+27
Height
1282337195.9161