72861812 is an even 8-digits composite number following 72861811
and preceding 72861813 . In scientific notation, it is written as 7.2861812 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 36430904 positive integers (up to 72861812) that are relatively prime to 72861812.
72861812 has 6 divisors, whose sum is 127508178
The reverse of 72861812 is 21816827
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million eight hundred sixty-one thousand eight hundred twelve
Scientific notation
7.2861812 × 10^7
Engineering notation
7.2861812 × 10^6
Prime Factorization
2 × 2 × 18215453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
36430906
Product of the distinct prime numbers
The prime factorization of 72861812 is 2 × 2 × 18215453.
Since it has a total of 3 prime factors.
3 , 5 , 90 , 82 , 885 , 692 , 594 , 8221 , 55615 , 41877 , 727467 , 592839 , 7836680 , 9280114 , 70893509 , 38155465 , 371668127 , 911480960 , 1315923680 , 5300011750
n×2
145723624
n×3
218585436
n×4
291447248
n×5
364309060
n÷2
36430906
n÷3
24287270.666667
n÷3
18215453
n÷5
14572362.4
n2
5308843647923344
n3
3.8681196781238E+23
n4
2.8183820878096E+31
n5
2.0535242582615E+39
2 √n
8535.9130735968
3 √n
417.67003866541
4 √n
92.390005268951
5 √n
37.368011979057
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
-72861811
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 72861812 can be divided by 6 positive divisors.
The sum of these divisors (counting 72861812) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010101111100100001110100
3
Ternary
12002002202121122
4
Quaternary
10111330201310
5
Quinary
122123034222
6
Senary
11121403112
8
Octal
425744164
10
Decimal
72861812
12
Duodecimal
20499498
16
Hexadecimal
457c874
20
Vigesimal
12f7eac
36
Base36
17doj8
md5
4bb2c7e259172cc565d60a1b9b6c041f
sha1
46db3fccf552cc1d855b164225ae323ddb289555
sha256
7478bae28bd4772a9d38430abbceb22067e307f3f50d6b401fe70a21643b1842
sha512
349ee85c8486d4a10aca9fc57c255aef4730a184cb4090622c5e442b7dbece436d4703aa55fbaaef439b9679750c47b435638de989e7d899763a86f3c316d361
ripemd-160
c4124ff9bd7da892fe82fc16e0e9b54d4ca4fc6d
Diameter
145723624
Circumference
457804266.61288
Area
1.6678224203373E+16
Volume
1.6202741818667E+24
Surface area
6.6712896813491E+16
Circumference
457804266.61288
Perimeter
291447248
Area
5308843647923344
Diagonal
103042162.70948
Surface area
31853061887540064
Volume
3.8681196781238E+23
Space diagonal
126200360.31553
Perimeter
218585436
Area
2.2987967319106E+15
Altitude
63100180.157766
Surface area
2.2987967319106E+15
Volume
4.5586227580708E+22
Height
34347387.569826