71787071 is an odd 8-digits composite number following 71787070
and preceding 71787072 . In scientific notation, it is written as 7.1787071 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 68665872 positive integers (up to 71787071) that are relatively prime to 71787071.
71787071 has 4 divisors, whose sum is 74908272
The reverse of 71787071 is 17078717
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million seven hundred eighty-seven thousand seventy-one
Scientific notation
7.1787071 × 10^7
Engineering notation
7.1787071 × 10^6
Prime Factorization
23 × 3121177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71787071
Product of the distinct prime numbers
The prime factorization of 71787071 is 23 × 3121177.
Since it has a total of 2 prime factors.
4 , 9 , 76 , 49 , 904 , 259 , 2260 , 1710 , 47724 , 55197 , 515130 , 732527 , 3939518 , 8293758 , 55969725 , 15169044 , 812492777 , 629241025 , 8981459678 , 8737940443
n×2
143574142
n×3
215361213
n×4
287148284
n×5
358935355
n÷2
35893535.5
n÷3
23929023.666667
n÷3
17946767.75
n÷5
14357414.2
n2
5153383562759041
n3
3.6994631171002E+23
n4
2.6557362144915E+31
n5
1.9064752418697E+39
2 √n
8472.7251224149
3 √n
415.60625766578
4 √n
92.047406929337
5 √n
37.257117098906
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
-71787070
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 71787071 can be divided by 4 positive divisors.
The sum of these divisors (counting 71787071) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010001110110001000111111
3
Ternary
12000002011100102
4
Quaternary
10101312020333
5
Quinary
121334141241
6
Senary
11042351315
8
Octal
421661077
10
Decimal
71787071
12
Duodecimal
2005b53b
16
Hexadecimal
447623f
20
Vigesimal
128d7db
36
Base36
16qn9b
md5
5d2855a4330eeef1204cf6272f94db5b
sha1
a98266074b08f05f7037f103d0e10597075b8a26
sha256
eaee9e7922b008279a42a19fc77f65e918d5b0587ad53d00e29bd85c4509da5f
sha512
184cf0b89e168ffb4040887a862cbae6f9dd0d267a7ca1eec313ede24d99c9bcb1b61efc6c26239448d6fc671034ad2a7f860c72bf64d8abfc028a1836e9d15f
ripemd-160
e1e2e3fc934e8b2b3514fae50f59c8c60d93d551
Diameter
143574142
Circumference
451051469.75266
Area
1.6189831941894E+16
Volume
1.5496274867878E+24
Surface area
6.4759327767577E+16
Circumference
451051469.75266
Perimeter
287148284
Area
5153383562759041
Diagonal
101522249.41124
Surface area
30920301376554246
Volume
3.6994631171002E+23
Space diagonal
124338854.29855
Perimeter
215361213
Area
2.2314805403972E+15
Altitude
62169427.149277
Surface area
2.2314805403972E+15
Volume
4.3598590947517E+22
Height
33840749.803747