71321808 is an even 8-digits composite number following 71321807
and preceding 71321809 . In scientific notation, it is written as 7.1321808 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 23773920 positive integers (up to 71321808) that are relatively prime to 71321808.
71321808 has 20 divisors, whose sum is 184248128
The reverse of 71321808 is 80812317
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-one million three hundred twenty-one thousand eight hundred eight
Scientific notation
7.1321808 × 10^7
Engineering notation
7.1321808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1485871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8915226
Product of the distinct prime numbers
The prime factorization of 71321808 is 2 × 2 × 2 × 2 × 3 × 1485871.
Since it has a total of 6 prime factors.
2 , 6 , 70 , 10 , 58 , 305 , 3393 , 1332 , 94831 , 43798 , 43635 , 514587 , 9235063 , 2503434 , 48154988 , 54244553 , 614283824 , 849848892 , 9474282392 , 7177891490
n×2
142643616
n×3
213965424
n×4
285287232
n×5
356609040
n÷2
35660904
n÷3
23773936
n÷3
17830452
n÷5
14264361.6
n2
5086800296388864
n3
3.6279979407339E+23
n4
2.5875537255342E+31
n5
1.8454901000223E+39
2 √n
8445.2239757155
3 √n
414.70644164232
4 √n
91.897899735062
5 √n
37.208697593745
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1485871 , 2971742 , 4457613 , 5943484 , 8915226 , 11886968 , 17830452 , 23773936 , 35660904 , 71321808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71321807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71321808 can be divided by 20 positive divisors.
The sum of these divisors (counting 71321808) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010000000100100011010000
3
Ternary
11222012112010110
4
Quaternary
10100010203100
5
Quinary
121224244213
6
Senary
11024401320
8
Octal
420044320
10
Decimal
71321808
12
Duodecimal
1ba76240
16
Hexadecimal
44048d0
20
Vigesimal
125f4a8
36
Base36
16go9c
md5
3c1c8cc37149e7f63e9862d705f2e73c
sha1
0ae9e1f954c10d0bd0e64445138d8adb421076f9
sha256
67e331858c8eb82085ef8c6cadd3ee904a30aa88091bf9e2893008c957106740
sha512
b20df07f6dc247f1336e0aef2e267af71538305fbe86809e4f32276e500e5cd6789f05912e8c3721826e34f7bfcf529be24463cd84b5e53dcab699fef2baaa5f
ripemd-160
0b471149c1816959e99cbf1b95b6120551591f39
Diameter
142643616
Circumference
448128136.10708
Area
1.5980654441414E+16
Volume
1.5196922237131E+24
Surface area
6.3922617765655E+16
Circumference
448128136.10708
Perimeter
285287232
Area
5086800296388864
Diagonal
100864268.16657
Surface area
30520801778333184
Volume
3.6279979407339E+23
Space diagonal
123532995.14367
Perimeter
213965424
Area
2.2026491403255E+15
Altitude
61766497.571836
Surface area
2.2026491403255E+15
Volume
4.2756365767063E+22
Height
33621422.72219