71242009 is an odd 8-digits composite number following 71242008
and preceding 71242010 . In scientific notation, it is written as 7.1242009 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 68785360 positive integers (up to 71242009) that are relatively prime to 71242009.
71242009 has 4 divisors, whose sum is 73698660
The reverse of 71242009 is 90024217
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-one million two hundred forty-two thousand nine
Scientific notation
7.1242009 × 10^7
Engineering notation
7.1242009 × 10^6
Prime Factorization
29 × 2456621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71242009
Product of the distinct prime numbers
The prime factorization of 71242009 is 29 × 2456621.
Since it has a total of 2 prime factors.
8 , 6 , 7 , 24 , 934 , 260 , 5914 , 9990 , 46015 , 18298 , 704219 , 400258 , 3052395 , 7801701 , 66218371 , 36663368 , 665746165 , 649059593 , 8432138591 , 1812621211
n×2
142484018
n×3
213726027
n×4
284968036
n×5
356210045
n÷2
35621004.5
n÷3
23747336.333333
n÷3
17810502.25
n÷5
14248401.8
n2
5075423846356081
n3
3.6158339134091E+23
n4
2.575992722016E+31
n5
1.835188966858E+39
2 √n
8440.4981488061
3 √n
414.55171800248
4 √n
91.872183759864
5 √n
37.200367612527
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
-71242008
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 71242009 can be divided by 4 positive divisors.
The sum of these divisors (counting 71242009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111110001000100011001
3
Ternary
11222001110122221
4
Quaternary
10033301010121
5
Quinary
121214221014
6
Senary
11022544041
8
Octal
417610431
10
Decimal
71242009
12
Duodecimal
1ba38021
16
Hexadecimal
43f1119
20
Vigesimal
1255509
36
Base36
16eyop
md5
645a6ec84c249edb60e526bf0022eed7
sha1
ee1eb9eb3371bcd7ae2f5129c4836222117c35d4
sha256
3ad552675e73980833caa1c4a4cb6c6c5de19f67fc4f8ebe4692dafd1348a789
sha512
00651df23846a0e266faef317cd4d3c0d9ef77a9021e5f93c59c0728b40558fb64270f560675abaeb6f29f80856d5a27498241b3d7b1e031d492edd0d25bd30c
ripemd-160
cc15fd0492c78b7d58dae0f1c947c2ff52e7069f
Diameter
142484018
Circumference
447626744.20276
Area
1.5944914269567E+16
Volume
1.5145969678623E+24
Surface area
6.3779657078267E+16
Circumference
447626744.20276
Perimeter
284968036
Area
5075423846356081
Diagonal
100751415.33851
Surface area
30452543078136486
Volume
3.6158339134091E+23
Space diagonal
123394779.22128
Perimeter
213726027
Area
2.1977229929588E+15
Altitude
61697389.61064
Surface area
2.1977229929588E+15
Volume
4.2613011330265E+22
Height
33583805.112835