71531421 is an odd 8-digits composite number following 71531420
and preceding 71531422 . In scientific notation, it is written as 7.1531421 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 44019312 positive integers (up to 71531421) that are relatively prime to 71531421.
71531421 has 8 divisors, whose sum is 102711840
The reverse of 71531421 is 12413517
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
seventy-one million five hundred thirty-one thousand four hundred twenty-one
Scientific notation
7.1531421 × 10^7
Engineering notation
7.1531421 × 10^6
Prime Factorization
3 × 13 × 1834139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71531421
Product of the distinct prime numbers
The prime factorization of 71531421 is 3 × 13 × 1834139.
Since it has a total of 3 prime factors.
7 , 2 , 38 , 15 , 90 , 340 , 4683 , 9631 , 84693 , 15141 , 804899 , 881115 , 8657119 , 542272 , 93708151 , 85730 , 252133831 , 340016961 , 8552768371 , 4733544710
n×2
143062842
n×3
214594263
n×4
286125684
n×5
357657105
n÷2
35765710.5
n÷3
23843807
n÷3
17882855.25
n÷5
14306284.2
n2
5116744190279241
n3
3.6600798282417E+23
n4
2.6181071108756E+31
n5
1.8727692197114E+39
2 √n
8457.6250212456
3 √n
415.1123148853
4 √n
91.965346850026
5 √n
37.230543012852
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
-71531420
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 71531421 can be divided by 8 positive divisors.
The sum of these divisors (counting 71531421) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000110111101110011101
3
Ternary
11222121011122220
4
Quaternary
10100313232131
5
Quinary
121303001141
6
Senary
11033055553
8
Octal
420675635
10
Decimal
71531421
12
Duodecimal
1bb575b9
16
Hexadecimal
4437b9d
20
Vigesimal
12718b1
36
Base36
16l5zx
md5
1762e15579f0b096d9069d8a9f703a4a
sha1
2a5f71f2db88d987718cf259f5ca12a031ed80f4
sha256
b6591a853b17ff9477356d40557dacde43a76fa4f73b50f07378a204573ed7aa
sha512
711b92b9de2033779c2a3ccddaec425c84ab607f5e40c7a1cb65f7152c1445ca758eae1e1608bcd90443b08b4403cad92e0211ec882a0774b662b793366f9cf3
ripemd-160
5a665b044424b01f4dfcdda17cacb85c6ce388b9
Diameter
143062842
Circumference
449445173.42888
Area
1.607472595848E+16
Volume
1.5331306533275E+24
Surface area
6.4298903833918E+16
Circumference
449445173.42888
Perimeter
286125684
Area
5116744190279241
Diagonal
101160705.71402
Surface area
30700465141675446
Volume
3.6600798282417E+23
Space diagonal
123896055.5096
Perimeter
214594263
Area
2.2156152267241E+15
Altitude
61948027.7548
Surface area
2.2156152267241E+15
Volume
4.313445443723E+22
Height
33720235.238007