71285992 is an even 8-digits composite number following 71285991
and preceding 71285993 . In scientific notation, it is written as 7.1285992 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 35642992 positive integers (up to 71285992) that are relatively prime to 71285992.
71285992 has 8 divisors, whose sum is 133661250
The reverse of 71285992 is 29958217
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million two hundred eighty-five thousand nine hundred ninety-two
Scientific notation
7.1285992 × 10^7
Engineering notation
7.1285992 × 10^6
Prime Factorization
2 × 2 × 2 × 8910749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17821498
Product of the distinct prime numbers
The prime factorization of 71285992 is 2 × 2 × 2 × 8910749.
Since it has a total of 4 prime factors.
7 , 5 , 73 , 62 , 571 , 80 , 4445 , 7730 , 51676 , 66805 , 238143 , 465736 , 8826992 , 8874802 , 60013126 , 23226369 , 392665685 , 792407558 , 2932522126 , 3576747222
n×2
142571984
n×3
213857976
n×4
285143968
n×5
356429960
n÷2
35642996
n÷3
23761997.333333
n÷3
17821498
n÷5
14257198.4
n2
5081692655424064
n3
3.6225350198102E+23
n4
2.5823600244191E+31
n5
1.8408609604186E+39
2 √n
8443.1032209727
3 √n
414.63701167266
4 √n
91.886360364162
5 √n
37.204959790334
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71285991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71285992 can be divided by 8 positive divisors.
The sum of these divisors (counting 71285992) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111011110011101000
3
Ternary
11222010200222221
4
Quaternary
10033323303220
5
Quinary
121222122432
6
Senary
11023523424
8
Octal
417736350
10
Decimal
71285992
12
Duodecimal
1ba59574
16
Hexadecimal
43fbce8
20
Vigesimal
125aejc
36
Base36
16fwmg
md5
372d9e2c2d6c2eb39ba077dfb0b85afd
sha1
e739c392be77648d78dee32ee11bccb62362cc97
sha256
30b7f639e404cf11d28b0f0dc66a6c52efdc0d227abd1f69f8c8b4dde8bca8d3
sha512
96a04049f154b61eda698562c812d6ea87b58489283d3cfc74c9063fbddcb44dc10d78ad5c29516384c3c33aa3f773769badcb0f5939dbf31b4da2c826533890
ripemd-160
f5027908877d6eb99d06a9856e7fb283bbd96fd1
Diameter
142571984
Circumference
447903097.54212
Area
1.5964608314081E+16
Volume
1.5174039207477E+24
Surface area
6.3858433256326E+16
Circumference
447903097.54212
Perimeter
285143968
Area
5081692655424064
Diagonal
100813616.69362
Surface area
30490155932544384
Volume
3.6225350198102E+23
Space diagonal
123470960.01195
Perimeter
213857976
Area
2.200437466911E+15
Altitude
61735480.005974
Surface area
2.200437466911E+15
Volume
4.2691984626559E+22
Height
33604538.897873