71313281 is an odd 8-digits composite number following 71313280
and preceding 71313282 . In scientific notation, it is written as 7.1313281 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 65827632 positive integers (up to 71313281) that are relatively prime to 71313281.
71313281 has 4 divisors, whose sum is 76798932
The reverse of 71313281 is 18231317
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-one million three hundred thirteen thousand two hundred eighty-one
Scientific notation
7.1313281 × 10^7
Engineering notation
7.1313281 × 10^6
Prime Factorization
13 × 5485637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71313281
Product of the distinct prime numbers
The prime factorization of 71313281 is 13 × 5485637.
Since it has a total of 2 prime factors.
10 , 8 , 96 , 19 , 651 , 617 , 4952 , 1922 , 64745 , 13369 , 676946 , 384947 , 4102232 , 9242390 , 18493765 , 721598 , 51403490 , 723658575 , 9645971941 , 9780641147
n×2
142626562
n×3
213939843
n×4
285253124
n×5
356566405
n÷2
35656640.5
n÷3
23771093.666667
n÷3
17828320.25
n÷5
14262656.2
n2
5085584046984961
n3
3.6266968419176E+23
n4
2.5863165098948E+31
n5
1.8443871602507E+39
2 √n
8444.7191190708
3 √n
414.68991400576
4 √n
91.8951528595
5 √n
37.207807841375
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
-71313280
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 71313281 can be divided by 4 positive divisors.
The sum of these divisors (counting 71313281) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000010011110000001
3
Ternary
11222012002102122
4
Quaternary
10100002132001
5
Quinary
121224011111
6
Senary
11024254025
8
Octal
420023601
10
Decimal
71313281
12
Duodecimal
1ba71315
16
Hexadecimal
4402781
20
Vigesimal
125e341
36
Base36
16ghoh
md5
cd6ea029737ba4935bf022d8af2959bb
sha1
c48043a0c747ef13da6323e2095b3a3b6fed1307
sha256
88c3daddacdf4e9048402edd66b0319b9bdf0b2e3c6b28d8d2a92a602d510535
sha512
7e83c19ec2596ba926e4990124640e8eb6da40d246da08d5deeb0781a1f86fe50a172c4559931073c10e93fbe7c7da69b0475f663f42a3d802b1fae91a8c2c56
ripemd-160
603dca89eec0577118a45fd0ab99c9753b58f039
Diameter
142626562
Circumference
448074559.38597
Area
1.5976833481221E+16
Volume
1.5191472207154E+24
Surface area
6.3907333924886E+16
Circumference
448074559.38597
Perimeter
285253124
Area
5085584046984961
Diagonal
100852209.16752
Surface area
30513504281909766
Volume
3.6266968419176E+23
Space diagonal
123518225.94644
Perimeter
213939843
Area
2.2021224888849E+15
Altitude
61759112.973218
Surface area
2.2021224888849E+15
Volume
4.2741032170462E+22
Height
33617403.055841