71285972 is an even 8-digits composite number following 71285971
and preceding 71285973 . In scientific notation, it is written as 7.1285972 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 35642984 positive integers (up to 71285972) that are relatively prime to 71285972.
71285972 has 6 divisors, whose sum is 124750458
The reverse of 71285972 is 27958217
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million two hundred eighty-five thousand nine hundred seventy-two
Scientific notation
7.1285972 × 10^7
Engineering notation
7.1285972 × 10^6
Prime Factorization
2 × 2 × 17821493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
35642986
Product of the distinct prime numbers
The prime factorization of 71285972 is 2 × 2 × 17821493.
Since it has a total of 3 prime factors.
3 , 2 , 20 , 55 , 478 , 546 , 9286 , 8959 , 6819 , 83463 , 965379 , 748708 , 8033033 , 2014227 , 41300222 , 18767309 , 900375174 , 579052154 , 8361540238 , 8310930634
n×2
142571944
n×3
213857916
n×4
285143888
n×5
356429860
n÷2
35642986
n÷3
23761990.666667
n÷3
17821493
n÷5
14257194.4
n2
5081689803984784
n3
3.6225319707954E+23
n4
2.5823571263923E+31
n5
1.84085837806E+39
2 √n
8443.102036574
3 √n
414.6369728958
4 √n
91.886353919252
5 √n
37.204957702689
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71285971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71285972 can be divided by 6 positive divisors.
The sum of these divisors (counting 71285972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100001111111011110011010100
3
Ternary
11222010200222012
4
Quaternary
10033323303110
5
Quinary
121222122342
6
Senary
11023523352
8
Octal
417736324
10
Decimal
71285972
12
Duodecimal
1ba59558
16
Hexadecimal
43fbcd4
20
Vigesimal
125aeic
36
Base36
16fwlw
md5
3a4475c4217ad14ccfcad6094edcf919
sha1
8743b5eeeee4efa8c1d48204f3b117c5a51801aa
sha256
15441b8c02dd437266be62b3345450d219295add0717a474ffff79daa327eae9
sha512
05bffac500cdd2ac37e2c0e29b334ea014d025bd8cdf47aa67061b55a0f67685bc47772bc0526dca235202998d2aad8bd1bcb7f84d7a2c14991f70185162a9ad
ripemd-160
77644de0852e43dd73f0ae38962b449a590d0ff2
Diameter
142571944
Circumference
447902971.87842
Area
1.5964599356021E+16
Volume
1.5174026435794E+24
Surface area
6.3858397424083E+16
Circumference
447902971.87842
Perimeter
285143888
Area
5081689803984784
Diagonal
100813588.40935
Surface area
30490138823908704
Volume
3.6225319707954E+23
Space diagonal
123470925.37093
Perimeter
213857916
Area
2.2004362322016E+15
Altitude
61735462.685466
Surface area
2.2004362322016E+15
Volume
4.2691948693575E+22
Height
33604529.469783