72187869 is an odd 8-digits composite number following 72187868
and preceding 72187870 . In scientific notation, it is written as 7.2187869 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 42479712 positive integers (up to 72187869) that are relatively prime to 72187869.
72187869 has 24 divisors, whose sum is 108388000
The reverse of 72187869 is 96878127
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-two million one hundred eighty-seven thousand eight hundred sixty-nine
Scientific notation
7.2187869 × 10^7
Engineering notation
7.2187869 × 10^6
Prime Factorization
3 × 13 × 23 × 23 × 3499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3138603
Product of the distinct prime numbers
The prime factorization of 72187869 is 3 × 13 × 23 × 23 × 3499.
Since it has a total of 5 prime factors.
2 , 6 , 18 , 81 , 349 , 167 , 2880 , 7735 , 2157 , 3614 , 692464 , 391220 , 2467638 , 9194971 , 33339952 , 96628548 , 26091461 , 505615255 , 9031440070 , 2736447523
n×2
144375738
n×3
216563607
n×4
288751476
n×5
360939345
n÷2
36093934.5
n÷3
24062623
n÷3
18046967.25
n÷5
14437573.8
n2
5211088430761161
n3
3.761773689872E+23
n4
2.7155442633213E+31
n5
1.9602935354434E+39
2 √n
8496.3444492323
3 √n
416.37828671263
4 √n
92.17561743342
5 √n
37.29862691609
1 , 3 , 13 , 23 , 39 , 69 , 299 , 529 , 897 , 1587 , 3499 , 6877 , 10497 , 20631 , 45487 , 80477 , 136461 , 241431 , 1046201 , 1850971 , 3138603 , 5552913 , 24062623 , 72187869
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
-72187868
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 72187869 can be divided by 24 positive divisors.
The sum of these divisors (counting 72187869) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011010111111111011101
3
Ternary
12000211112010210
4
Quaternary
10103113333131
5
Quinary
121440002434
6
Senary
11055123033
8
Octal
423277735
10
Decimal
72187869
12
Duodecimal
20213479
16
Hexadecimal
44d7fdd
20
Vigesimal
12b39d9
36
Base36
16z8il
md5
74e30a757c6d4862a02dec5221792a8a
sha1
1dc32a9d929a1ddd82572097d81ef6dac0d5f2d4
sha256
e27d58c259bd8c53bc75382f4379c5594a07d021f75fede38f26b9bac812546a
sha512
ca20006d93a4467bd38884eec288017ced1bf1db5edda8817bb48d9f88f24262028110f61002e892ea74a8960c520333edcdca4a24c9fd8effb7019366bcd293
ripemd-160
dce10949407c81f5ad3f0fb8a5eb55f1153c0d60
Diameter
144375738
Circumference
453569757.8574
Area
1.6371117131286E+16
Volume
1.5757280784759E+24
Surface area
6.5484468525144E+16
Circumference
453569757.8574
Perimeter
288751476
Area
5211088430761161
Diagonal
102089063.37861
Surface area
31266530584566966
Volume
3.761773689872E+23
Space diagonal
125033056.79813
Perimeter
216563607
Area
2.2564674812032E+15
Altitude
62516528.399063
Surface area
2.2564674812032E+15
Volume
4.4332928089961E+22
Height
34029687.792871