72689724 is an even 8-digits composite number following 72689723
and preceding 72689725 . In scientific notation, it is written as 7.2689724 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors.
There are 24229800 positive integers (up to 72689724) that are relatively prime to 72689724.
72689724 has 18 divisors, whose sum is 142912224
The reverse of 72689724 is 42798627
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million six hundred eighty-nine thousand seven hundred twenty-four
Scientific notation
7.2689724 × 10^7
Engineering notation
7.2689724 × 10^6
Prime Factorization
2 × 2 × 9 × 9 × 224351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4038318
Product of the distinct prime numbers
The prime factorization of 72689724 is 2 × 2 × 9 × 9 × 224351.
Since it has a total of 5 prime factors.
6 , 5 , 66 , 22 , 393 , 75 , 7441 , 2599 , 23807 , 24564 , 120782 , 102697 , 1196620 , 2735951 , 4028608 , 11821200 , 623895642 , 24412741 , 9387153168 , 3786000329
n×2
145379448
n×3
218069172
n×4
290758896
n×5
363448620
n÷2
36344862
n÷3
24229908
n÷3
18172431
n÷5
14537944.8
n2
5283795975196176
n3
3.8407767110932E+23
n4
2.7918499907499E+31
n5
2.0293880527702E+39
2 √n
8525.8268807195
3 √n
417.34095607027
4 √n
92.335404264667
5 √n
37.350343820386
1 , 2 , 4 , 9 , 18 , 36 , 81 , 162 , 324 , 224351 , 448702 , 897404 , 2019159 , 4038318 , 8076636 , 18172431 , 36344862 , 72689724
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72689723
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72689724 can be divided by 18 positive divisors.
The sum of these divisors (counting 72689724) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100010101010010100000111100
3
Ternary
12001210000120000
4
Quaternary
10111102200330
5
Quinary
122102032344
6
Senary
11113554300
8
Octal
425224074
10
Decimal
72689724
12
Duodecimal
20415990
16
Hexadecimal
455283c
20
Vigesimal
12e6464
36
Base36
179zr0
md5
9e3e84a4fb8d35cd52b32503e5a769a5
sha1
fd31446d971ec701219d0621ca655ed2730a73f5
sha256
17727aecf688d441229e9079fc30a5f7af8388212a0afbb4e64adcf9c93d7f68
sha512
d122ae216b17ed6c1682859745e507f54080566cbec172226420ce25c2cfc849cf5198551ad7da184785b874376bc0a1975bbdef3e66727732bb2fe68e485c65
ripemd-160
909e8a209c40cd973ddba5c96a6aa537b32a07fa
Diameter
145379448
Circumference
456723005.81974
Area
1.6599534618744E+16
Volume
1.6088207866199E+24
Surface area
6.6398138474974E+16
Circumference
456723005.81974
Perimeter
290758896
Area
5283795975196176
Diagonal
102798793.52596
Surface area
31702775851177056
Volume
3.8407767110932E+23
Space diagonal
125902295.15616
Perimeter
218069172
Area
2.2879507714669E+15
Altitude
62951147.578079
Surface area
2.2879507714669E+15
Volume
4.5263987623956E+22
Height
34266264.508652