71328491 is an odd 8-digits composite number following 71328490
and preceding 71328492 . In scientific notation, it is written as 7.1328491 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 65841672 positive integers (up to 71328491) that are relatively prime to 71328491.
71328491 has 4 divisors, whose sum is 76815312
The reverse of 71328491 is 19482317
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million three hundred twenty-eight thousand four hundred ninety-one
Scientific notation
7.1328491 × 10^7
Engineering notation
7.1328491 × 10^6
Prime Factorization
13 × 5486807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71328491
Product of the distinct prime numbers
The prime factorization of 71328491 is 13 × 5486807.
Since it has a total of 2 prime factors.
8 , 7 , 68 , 99 , 698 , 837 , 9924 , 6856 , 49762 , 91050 , 795258 , 229711 , 299406 , 3203252 , 10844281 , 97044507 , 731177404 , 501959034 , 8998531444 , 6476884276
n×2
142656982
n×3
213985473
n×4
285313964
n×5
356642455
n÷2
35664245.5
n÷3
23776163.666667
n÷3
17832122.75
n÷5
14265698.2
n2
5087753628337081
n3
3.6290178888906E+23
n4
2.5885236982657E+31
n5
1.8463548931503E+39
2 √n
8445.6196338694
3 √n
414.71939418641
4 √n
91.900052414944
5 √n
37.209394873899
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
-71328490
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 71328491 can be divided by 4 positive divisors.
The sum of these divisors (counting 71328491) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000110001011101011
3
Ternary
11222012212021222
4
Quaternary
10100012023223
5
Quinary
121230002431
6
Senary
11024452255
8
Octal
420061353
10
Decimal
71328491
12
Duodecimal
1ba7a08b
16
Hexadecimal
44062eb
20
Vigesimal
125g14b
36
Base36
16gtez
md5
f67cfd787ba1434b6981403de5c9f188
sha1
ce18a1ce75ffc14d2f05c58075237763699dfa7c
sha256
bbf34949239ff0f7ab050c22afb454a1f00a629d441dc6083f9ef8d07a905cd4
sha512
b24a0e4ccf2079d9e4338a583671e7b86ef73012d44c5ef48334d404397582116757d6e121b42abc10d354d4e2733590e180c085c8d5d8acd3f63f5a804ca950
ripemd-160
769965d2fab066f2a52c1147aaebe02626d1a7bb
Diameter
142656982
Circumference
448170126.63449
Area
1.5983649422059E+16
Volume
1.5201194585979E+24
Surface area
6.3934597688234E+16
Circumference
448170126.63449
Perimeter
285313964
Area
5087753628337081
Diagonal
100873719.35581
Surface area
30526521770022486
Volume
3.6290178888906E+23
Space diagonal
123544570.43922
Perimeter
213985473
Area
2.2030619451682E+15
Altitude
61772285.21961
Surface area
2.2030619451682E+15
Volume
4.2768385971364E+22
Height
33624573.118602