71312591 is an odd 8-digits composite number following 71312590
and preceding 71312592 . In scientific notation, it is written as 7.1312591 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 61125036 positive integers (up to 71312591) that are relatively prime to 71312591.
71312591 has 4 divisors, whose sum is 72768000
The reverse of 71312591 is 19521317
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-one million three hundred twelve thousand five hundred ninety-one
Scientific notation
7.1312591 × 10^7
Engineering notation
7.1312591 × 10^6
Prime Factorization
49 × 1455359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71312591
Product of the distinct prime numbers
The prime factorization of 71312591 is 49 × 1455359.
Since it has a total of 2 prime factors.
2 , 10 , 41 , 82 , 909 , 725 , 8715 , 3033 , 28158 , 81639 , 66027 , 308992 , 6853609 , 3431914 , 24840966 , 92543609 , 898651286 , 916616231 , 8213658538 , 1853919755
n×2
142625182
n×3
213937773
n×4
285250364
n×5
356562955
n÷2
35656295.5
n÷3
23770863.666667
n÷3
17828147.75
n÷5
14262518.2
n2
5085485635133281
n3
3.6265915713463E+23
n4
2.5862164145147E+31
n5
1.8442979340577E+39
2 √n
8444.6782650377
3 √n
414.68857654118
4 √n
91.894930573115
5 √n
37.207735839396
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
-71312590
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 71312591 can be divided by 4 positive divisors.
The sum of these divisors (counting 71312591) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000010010011001111
3
Ternary
11222012001111002
4
Quaternary
10100002103033
5
Quinary
121224000331
6
Senary
11024250515
8
Octal
420022317
10
Decimal
71312591
12
Duodecimal
1ba70a3b
16
Hexadecimal
44024cf
20
Vigesimal
125e19b
36
Base36
16gh5b
md5
cbe340a871a282d84540ccd9a0941593
sha1
d3a82ef533936b5d52895ac594bcce4bdf33b3b8
sha256
019828704410bbf199cb14c5db6dec7d20dbb83b1f2194cc99c26f5abfc46620
sha512
d85ae97ee2b43f98e3fa889203cdf58f3262f13c26f28addad9a04c578f6647ca6f5d7fbdffb49dad934365195c144f42f86cee60642f1bc368293b4e773e885
ripemd-160
71db5951b0d46bfd88789ac3f3472dea02a5a821
Diameter
142625182
Circumference
448070223.98811
Area
1.5976524311271E+16
Volume
1.5191031250816E+24
Surface area
6.3906097245085E+16
Circumference
448070223.98811
Perimeter
285250364
Area
5085485635133281
Diagonal
100851233.36017
Surface area
30512913810799686
Volume
3.6265915713463E+23
Space diagonal
123517030.83138
Perimeter
213937773
Area
2.2020798753031E+15
Altitude
61758515.41569
Surface area
2.2020798753031E+15
Volume
4.2739791544883E+22
Height
33617077.786722