72891609 is an odd 8-digits composite number following 72891608
and preceding 72891610 . In scientific notation, it is written as 7.2891609 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 40945680 positive integers (up to 72891609) that are relatively prime to 72891609.
72891609 has 16 divisors, whose sum is 112957440
The reverse of 72891609 is 90619827
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million eight hundred ninety-one thousand six hundred nine
Scientific notation
7.2891609 × 10^7
Engineering notation
7.2891609 × 10^6
Prime Factorization
7 × 3 × 59 × 58831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72891609
Product of the distinct prime numbers
The prime factorization of 72891609 is 7 × 3 × 59 × 58831.
Since it has a total of 4 prime factors.
7 , 10 , 40 , 16 , 478 , 661 , 9395 , 4564 , 50465 , 89114 , 256087 , 256437 , 9048945 , 3390834 , 41883736 , 91575684 , 526266512 , 490047190 , 576348707 , 8910344731
n×2
145783218
n×3
218674827
n×4
291566436
n×5
364458045
n÷2
36445804.5
n÷3
24297203
n÷3
18222902.25
n÷5
14578321.8
n2
5313186662608881
n3
3.872867247549E+23
n4
2.8229952511725E+31
n5
2.0577266605732E+39
2 √n
8537.6582855019
3 √n
417.72696660279
4 √n
92.399449595233
5 √n
37.371067825534
1 , 3 , 7 , 21 , 59 , 177 , 413 , 1239 , 58831 , 176493 , 411817 , 1235451 , 3471029 , 10413087 , 24297203 , 72891609
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72891608
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72891609 can be divided by 16 positive divisors.
The sum of these divisors (counting 72891609) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010110000011110011011001
3
Ternary
12002011021111020
4
Quaternary
10112003303121
5
Quinary
122130012414
6
Senary
11122153053
8
Octal
426036331
10
Decimal
72891609
12
Duodecimal
204b2789
16
Hexadecimal
4583cd9
20
Vigesimal
12fb909
36
Base36
17ebix
md5
9bb76fc12931157a818b66ef343f8f6b
sha1
87ecb1c61b7cf929adace4c0ca3aaa8523204f52
sha256
ab1f2114a6eaefd63daa7aedcc7e9e42eefa7f3017a352ec97c19739298100b9
sha512
86e7f8d07e11628a4bb60d1ddb68982d70d386b26b0e507adcbbb03a575c096ebf3d06012cba08b117cbbd1421dbc2f9c553524cb4de82a80f49d6f8deaff2e9
ripemd-160
c430bc73765e47cfa212739ba2235831ef94b2e7
Diameter
145783218
Circumference
457991486.68548
Area
1.6691868186403E+16
Volume
1.6222628390971E+24
Surface area
6.6767472745613E+16
Circumference
457991486.68548
Perimeter
291566436
Area
5313186662608881
Diagonal
103084302.031
Surface area
31879119975653286
Volume
3.872867247549E+23
Space diagonal
126251970.23344
Perimeter
218674827
Area
2.300677312434E+15
Altitude
63125985.116722
Surface area
2.300677312434E+15
Volume
4.5642178222953E+22
Height
34361434.010332