71285904 is an even 8-digits composite number following 71285903
and preceding 71285905 . In scientific notation, it is written as 7.1285904 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 23761920 positive integers (up to 71285904) that are relatively prime to 71285904.
71285904 has 20 divisors, whose sum is 153463020
The reverse of 71285904 is 40958217
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million two hundred eighty-five thousand nine hundred four
Scientific notation
7.1285904 × 10^7
Engineering notation
7.1285904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 495041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8910738
Product of the distinct prime numbers
The prime factorization of 71285904 is 2 × 2 × 2 × 2 × 9 × 495041.
Since it has a total of 6 prime factors.
10 , 5 , 59 , 50 , 721 , 194 , 3421 , 4888 , 71057 , 63464 , 448677 , 408689 , 6147948 , 2936265 , 98411465 , 35021256 , 562138651 , 813993959 , 6370263944 , 4712491299
n×2
142571808
n×3
213857712
n×4
285143616
n×5
356429520
n÷2
35642952
n÷3
23761968
n÷3
17821476
n÷5
14257180.8
n2
5081680109097216
n3
3.6225216041581E+23
n4
2.5823472731194E+31
n5
1.8408495980625E+39
2 √n
8443.0980096171
3 √n
414.63684105442
4 √n
91.886332006545
5 √n
37.204950604691
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 495041 , 990082 , 1980164 , 3960328 , 4455369 , 7920656 , 8910738 , 17821476 , 35642952 , 71285904
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
-71285903
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 71285904 can be divided by 20 positive divisors.
The sum of these divisors (counting 71285904) is 1, the average is 0.05.
Base
System
Value
2
Binary
100001111111011110010010000
3
Ternary
11222010200212200
4
Quaternary
10033323302100
5
Quinary
121222122104
6
Senary
11023523200
8
Octal
417736220
10
Decimal
71285904
12
Duodecimal
1ba59500
16
Hexadecimal
43fbc90
20
Vigesimal
125aef4
36
Base36
16fwk0
md5
6725286321392a78a6eb535b8f4d7101
sha1
fddcfb1bf646bbaba0fceb4f563c86d35b8b97e5
sha256
c46baf61decbf9119a3653966b68356aa59e6532272a268a201c8c16f20be832
sha512
414c6042f5a10187287542ab1e07e327b45b7b0cd2408830e06cdbc80e5562288d97ba163f6072a650d0874a391e42cce4af8ba08135eb83dc0776f6de750394
ripemd-160
5d4bc5313553443a908b965613f660b227bb2ca5
Diameter
142571808
Circumference
447902544.62181
Area
1.5964568898633E+16
Volume
1.5173983012125E+24
Surface area
6.3858275594533E+16
Circumference
447902544.62181
Perimeter
285143616
Area
5081680109097216
Diagonal
100813492.24283
Surface area
30490080654583296
Volume
3.6225216041581E+23
Space diagonal
123470807.59148
Perimeter
213857712
Area
2.2004320341921E+15
Altitude
61735403.795739
Surface area
2.2004320341921E+15
Volume
4.2691826521583E+22
Height
33604497.414275