72685890 is an even 8-digits composite number following 72685889
and preceding 72685891 . In scientific notation, it is written as 7.2685890 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 18712512 positive integers (up to 72685890) that are relatively prime to 72685890.
72685890 has 32 divisors, whose sum is 153743040
The reverse of 72685890 is 09858627
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million six hundred eighty-five thousand eight hundred ninety
Scientific notation
7.2685890 × 10^7
Engineering notation
7.2685890 × 10^6
Prime Factorization
2 × 45 × 3 × 29 × 9283
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72685890
Product of the distinct prime numbers
The prime factorization of 72685890 is 2 × 45 × 3 × 29 × 9283.
Since it has a total of 5 prime factors.
1 , 6 , 31 , 22 , 192 , 26 , 7922 , 1461 , 16434 , 5996 , 183577 , 431707 , 1021685 , 5919486 , 25655659 , 72457934 , 668907605 , 356725447 , 8710020795 , 1343474195
n×2
145371780
n×3
218057670
n×4
290743560
n×5
363429450
n÷2
36342945
n÷3
24228630
n÷3
18171472.5
n÷5
14537178
n2
5283238605092100
n3
3.8401690009348E+23
n4
2.7912610158336E+31
n5
2.0288529115817E+39
2 √n
8525.6020315283
3 √n
417.33361842899
4 √n
92.33418668905
5 √n
37.349949805299
1 , 2 , 3 , 6 , 29 , 45 , 58 , 87 , 90 , 135 , 174 , 270 , 1305 , 2610 , 3915 , 7830 , 9283 , 18566 , 27849 , 55698 , 269207 , 417735 , 538414 , 807621 , 835470 , 1253205 , 1615242 , 2506410 , 12114315 , 24228630 , 36342945 , 72685890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72685889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72685890 can be divided by 32 positive divisors.
The sum of these divisors (counting 72685890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010101010001100101000010
3
Ternary
12001202211022000
4
Quaternary
10111101211002
5
Quinary
122101422030
6
Senary
11113524430
8
Octal
425214502
10
Decimal
72685890
12
Duodecimal
20413716
16
Hexadecimal
4551942
20
Vigesimal
12e5eea
36
Base36
179wsi
md5
614d781916fcbf594ac1a362ad836ce6
sha1
2884d20f08ee2abd016b0efa7a99c4d6ebe04c85
sha256
f70bf91d9ed3a80d3529097f7fc36f10278c1c2c9e47ce4db6041aebd02f1285
sha512
3a801fabb0b432d886332c70f0688e20803bb3b06275760808af406fa1a64c4488a57d8631c005353fbf9e9f15a8f5d4f52d6c041c6d8080ee2a50adf81d30c5
ripemd-160
f293b19e83e666babfcd0d33d07bcc90bf221d25
Diameter
145371780
Circumference
456698916.08727
Area
1.6597783588919E+16
Volume
1.608566229584E+24
Surface area
6.6391134355677E+16
Circumference
456698916.08727
Perimeter
290743560
Area
5283238605092100
Diagonal
102793371.43116
Surface area
31699431630552600
Volume
3.8401690009348E+23
Space diagonal
125895654.47336
Perimeter
218057670
Area
2.2877094231322E+15
Altitude
62947827.236681
Surface area
2.2877094231322E+15
Volume
4.5256825691056E+22
Height
34264457.14372