71316981 is an odd 8-digits composite number following 71316980
and preceding 71316982 . In scientific notation, it is written as 7.1316981 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 47544648 positive integers (up to 71316981) that are relatively prime to 71316981.
71316981 has 4 divisors, whose sum is 79241100
The reverse of 71316981 is 18961317
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million three hundred sixteen thousand nine hundred eighty-one
Scientific notation
7.1316981 × 10^7
Engineering notation
7.1316981 × 10^6
Prime Factorization
9 × 7924109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71316981
Product of the distinct prime numbers
The prime factorization of 71316981 is 9 × 7924109.
Since it has a total of 2 prime factors.
3 , 3 , 99 , 19 , 67 , 790 , 7774 , 4072 , 30596 , 31345 , 795331 , 111934 , 5873820 , 4484789 , 48589659 , 73979480 , 782545742 , 299089813 , 4085650199 , 4570048313
n×2
142633962
n×3
213950943
n×4
285267924
n×5
356584905
n÷2
35658490.5
n÷3
23772327
n÷3
17829245.25
n÷5
14263396.2
n2
5086111778954361
n3
3.6272613710356E+23
n4
2.5868533028018E+31
n5
1.8448656784571E+39
2 √n
8444.9381880509
3 √n
414.69708577015
4 √n
91.896344802451
5 √n
37.208193929436
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
-71316980
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 71316981 can be divided by 4 positive divisors.
The sum of these divisors (counting 71316981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000011010111110101
3
Ternary
11222012021111200
4
Quaternary
10100003113311
5
Quinary
121224120411
6
Senary
11024323113
8
Octal
420032765
10
Decimal
71316981
12
Duodecimal
1ba73499
16
Hexadecimal
44035f5
20
Vigesimal
125ec91
36
Base36
16gkj9
md5
23ef22f89cf519437372bbf819156f33
sha1
43844a5cc5687b43992fd5badd02617b115e910f
sha256
898412a647bec29353154d0dd0dd106ef6a51a02b68f558aa5275f67f42c3a28
sha512
38505c64a13ad06722144365f4884120ff1ae144f94748c62b4f873f61b32f073c84e16e3d5477acf3b42cd0355ef53b2694d7adbb95dac5c2e34a80b408918b
ripemd-160
32620f84569021fe0aed826c1f3ca088a25e0d2e
Diameter
142633962
Circumference
448097807.17161
Area
1.59784914001E+16
Volume
1.5193836901194E+24
Surface area
6.3913965600398E+16
Circumference
448097807.17161
Perimeter
285267924
Area
5086111778954361
Diagonal
100857441.7577
Surface area
30516670673726166
Volume
3.6272613710356E+23
Space diagonal
123524634.53442
Perimeter
213950943
Area
2.2023510035309E+15
Altitude
61762317.267212
Surface area
2.2023510035309E+15
Volume
4.2747685209922E+22
Height
33619147.252568