71313981 is an odd 8-digits composite number following 71313980
and preceding 71313982 . In scientific notation, it is written as 7.1313981 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 46008960 positive integers (up to 71313981) that are relatively prime to 71313981.
71313981 has 8 divisors, whose sum is 98152704
The reverse of 71313981 is 18931317
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million three hundred thirteen thousand nine hundred eighty-one
Scientific notation
7.1313981 × 10^7
Engineering notation
7.1313981 × 10^6
Prime Factorization
3 × 31 × 766817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71313981
Product of the distinct prime numbers
The prime factorization of 71313981 is 3 × 31 × 766817.
Since it has a total of 3 prime factors.
1 , 9 , 23 , 27 , 240 , 605 , 1595 , 3109 , 39828 , 75046 , 636677 , 197974 , 4484231 , 9256028 , 23790445 , 12761200 , 774487394 , 541610227 , 2065100221 , 5767522369
n×2
142627962
n×3
213941943
n×4
285255924
n×5
356569905
n÷2
35656990.5
n÷3
23771327
n÷3
17828495.25
n÷5
14262796.2
n2
5085683886068361
n3
3.6268036402309E+23
n4
2.5864180589015E+31
n5
1.8444776831056E+39
2 √n
8444.7605649894
3 √n
414.69127084508
4 √n
91.895378365777
5 √n
37.207880886291
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
-71313980
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 71313981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71313981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000000010101000111101
3
Ternary
11222012010101120
4
Quaternary
10100002220331
5
Quinary
121224021411
6
Senary
11024301153
8
Octal
420025075
10
Decimal
71313981
12
Duodecimal
1ba717b9
16
Hexadecimal
4402a3d
20
Vigesimal
125e4j1
36
Base36
16gi7x
md5
4c8bcedc842d73019065c67b6f037b7e
sha1
fc441aeaa5aac1e498d99b070757940af3abb12e
sha256
473548c6c09772fa7da52abd4db02fbd98b9d522d5edd9ff5c517223b4d4c0f5
sha512
46816e4fa4d59a9c0fcbc56bac041f602274b83017386af33d4ee607180197edf8a0f88b21e99241c8ade822844f650da5c3d0b8f6a8d6dbd6b05947eb5453b3
ripemd-160
c4375f469a45d7b328e59571cf4cee2b565fda87
Diameter
142627962
Circumference
448078957.61568
Area
1.5977147134952E+16
Volume
1.5191919562883E+24
Surface area
6.3908588539809E+16
Circumference
448078957.61568
Perimeter
285255924
Area
5085683886068361
Diagonal
100853199.11702
Surface area
30514103316410166
Volume
3.6268036402309E+23
Space diagonal
123519438.382
Perimeter
213941943
Area
2.2021657204762E+15
Altitude
61759719.191001
Surface area
2.2021657204762E+15
Volume
4.2742290800655E+22
Height
33617733.039006