72239940 is an even 8-digits composite number following 72239939
and preceding 72239941 . In scientific notation, it is written as 7.2239940 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 18851904 positive integers (up to 72239940) that are relatively prime to 72239940.
72239940 has 24 divisors, whose sum is 131994240
The reverse of 72239940 is 04993227
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million two hundred thirty-nine thousand nine hundred forty
Scientific notation
7.2239940 × 10^7
Engineering notation
7.2239940 × 10^6
Prime Factorization
2 × 2 × 45 × 47 × 8539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
36119970
Product of the distinct prime numbers
The prime factorization of 72239940 is 2 × 2 × 45 × 47 × 8539.
Since it has a total of 5 prime factors.
10 , 5 , 9 , 48 , 995 , 261 , 9426 , 1278 , 87114 , 69846 , 865349 , 534998 , 968953 , 1445331 , 23860461 , 77003387 , 41096072 , 661305539 , 5636889790 , 3060778002
n×2
144479880
n×3
216719820
n×4
288959760
n×5
361199700
n÷2
36119970
n÷3
24079980
n÷3
18059985
n÷5
14447988
n2
5218608931203600
n3
3.7699199607361E+23
n4
2.7233879176838E+31
n5
1.967373797702E+39
2 √n
8499.4082146935
3 √n
416.47837750385
4 √n
92.192235110629
5 √n
37.304006259446
1 , 2 , 4 , 45 , 47 , 90 , 94 , 180 , 188 , 2115 , 4230 , 8460 , 8539 , 17078 , 34156 , 384255 , 401333 , 768510 , 802666 , 1537020 , 1605332 , 18059985 , 36119970 , 72239940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72239939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72239940 can be divided by 24 positive divisors.
The sum of these divisors (counting 72239940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011100100101101000100
3
Ternary
12000221011120100
4
Quaternary
10103210231010
5
Quinary
121443134230
6
Senary
11100204100
8
Octal
423445504
10
Decimal
72239940
12
Duodecimal
20239630
16
Hexadecimal
44e4b44
20
Vigesimal
12b9jh0
36
Base36
170cp0
md5
1856f9da8d2d3bd962049cd3fec9a391
sha1
61b157a5c350380fd6ea5eddb6203fb65e065a73
sha256
d9340cd6296f0420aafe886be2c5e91ff3fd4d264b100c89cedb971f59550a00
sha512
1b459de0997953e7219e1a26a33d1558c054e72d6a1f9629243cb14793094170df752acf721ef2b7d67f0580ba9efb69f5377dbe3b452c379856ffb73db3a49f
ripemd-160
f5a284491de8d86f68d8e61c88709e2236c8d054
Diameter
144479880
Circumference
453896929.59953
Area
1.6394743480227E+16
Volume
1.579140380436E+24
Surface area
6.5578973920909E+16
Circumference
453896929.59953
Perimeter
288959760
Area
5218608931203600
Diagonal
102162702.89302
Surface area
31311653587221600
Volume
3.7699199607361E+23
Space diagonal
125123246.41573
Perimeter
216719820
Area
2.2597239534193E+15
Altitude
62561623.207864
Surface area
2.2597239534193E+15
Volume
4.4428932812784E+22
Height
34054234.297673