72131282 is an even 8-digits composite number following 72131281
and preceding 72131283 . In scientific notation, it is written as 7.2131282 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 36065640 positive integers (up to 72131282) that are relatively prime to 72131282.
72131282 has 4 divisors, whose sum is 108196926
The reverse of 72131282 is 28213127
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-two million one hundred thirty-one thousand two hundred eighty-two
Scientific notation
7.2131282 × 10^7
Engineering notation
7.2131282 × 10^6
Prime Factorization
2 × 36065641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72131282
Product of the distinct prime numbers
The prime factorization of 72131282 is 2 × 36065641.
Since it has a total of 2 prime factors.
8 , 1 , 88 , 38 , 464 , 203 , 7172 , 8358 , 66605 , 7534 , 362961 , 604139 , 4609017 , 5497821 , 50237865 , 56277871 , 172445977 , 194226736 , 3821833265 , 1646444335
n×2
144262564
n×3
216393846
n×4
288525128
n×5
360656410
n÷2
36065641
n÷3
24043760.666667
n÷3
18032820.5
n÷5
14426256.4
n2
5202921842963524
n3
3.7529342267876E+23
n4
2.7070395703987E+31
n5
1.9526223463759E+39
2 √n
8493.0137171678
3 √n
416.26946068388
4 √n
92.157548346122
5 √n
37.292777513595
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
-72131281
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 72131282 can be divided by 4 positive divisors.
The sum of these divisors (counting 72131282) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011001010001011010010
3
Ternary
12000201122111222
4
Quaternary
10103022023102
5
Quinary
121431200112
6
Senary
11054005042
8
Octal
423121322
10
Decimal
72131282
12
Duodecimal
201a6782
16
Hexadecimal
44ca2d2
20
Vigesimal
12ag842
36
Base36
16y0uq
md5
42ae9d6e486b66b2c41be358536e6eb4
sha1
f804f47965b26ad7dea7112c5fef98741c79a9c6
sha256
704d0cefc09ac5c29da40fff9974165ae9347d64a89fdaddc7707a37bcd61556
sha512
08588ca9ba8b6cdde22721ce58c0667005ff45552d17ccb5e82c919ae73afac243cd3bace1ce309903f338bb06918dd8d3810296e0f157a1ba67bb07ec6aec45
ripemd-160
149f8b6d6f835bb7feb49bb97c263c661f9681af
Diameter
144262564
Circumference
453214211.25043
Area
1.6345461039056E+16
Volume
1.5720254128376E+24
Surface area
6.5381844156224E+16
Circumference
453214211.25043
Perimeter
288525128
Area
5202921842963524
Diagonal
102009037.27576
Surface area
31217531057781144
Volume
3.7529342267876E+23
Space diagonal
124935045.23908
Perimeter
216393846
Area
2.2529312449557E+15
Altitude
62467522.619539
Surface area
2.2529312449557E+15
Volume
4.4228754018477E+22
Height
34003012.425253