72608728 is an even 8-digits composite number following 72608727
and preceding 72608729 . In scientific notation, it is written as 7.2608728 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 33740928 positive integers (up to 72608728) that are relatively prime to 72608728.
72608728 has 32 divisors, whose sum is 146026800
The reverse of 72608728 is 82780627
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-two million six hundred eight thousand seven hundred twenty-eight
Scientific notation
7.2608728 × 10^7
Engineering notation
7.2608728 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 53 × 9013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18152182
Product of the distinct prime numbers
The prime factorization of 72608728 is 2 × 2 × 2 × 19 × 53 × 9013.
Since it has a total of 6 prime factors.
9 , 9 , 6 , 54 , 533 , 955 , 4165 , 8475 , 28460 , 12342 , 264425 , 781089 , 3585659 , 2424444 , 10561886 , 30464104 , 869703938 , 831193927 , 2105275312 , 9361867887
n×2
145217456
n×3
217826184
n×4
290434912
n×5
363043640
n÷2
36304364
n÷3
24202909.333333
n÷3
18152182
n÷5
14521745.6
n2
5272027381777984
n3
3.8279520217207E+23
n4
2.7794272714217E+31
n5
2.0181067874644E+39
2 √n
8521.0755189706
3 √n
417.18588825049
4 √n
92.309671860378
5 √n
37.342016432269
1 , 2 , 4 , 8 , 19 , 38 , 53 , 76 , 106 , 152 , 212 , 424 , 1007 , 2014 , 4028 , 8056 , 9013 , 18026 , 36052 , 72104 , 171247 , 342494 , 477689 , 684988 , 955378 , 1369976 , 1910756 , 3821512 , 9076091 , 18152182 , 36304364 , 72608728
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
-72608727
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 72608728 can be divided by 32 positive divisors.
The sum of these divisors (counting 72608728) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010100111110101111011000
3
Ternary
12001121220110011
4
Quaternary
10110332233120
5
Quinary
122041434403
6
Senary
11112131304
8
Octal
424765730
10
Decimal
72608728
12
Duodecimal
20396b34
16
Hexadecimal
453ebd8
20
Vigesimal
12dg1g8
36
Base36
178994
md5
53ef59c065f16863a0730202520f6d10
sha1
4605165eb5ecd77b072cd7f4fcac19fea0864ac0
sha256
0a46c6adc90e60cbdf93c00d3c01004caaf0009ec92eaf59a44e68047271fc11
sha512
ef29485497f0134a474ca4f2ecdb08d816cbb75745927383c040c962c232d397a285f05b6e102b676ce03b5c958ac7cce20327d77fd5f0dd68799b13febf255f
ripemd-160
eb3d24eb9c896320d5a6a31508cf154cc75a8305
Diameter
145217456
Circumference
456214092.9426
Area
1.6562562492118E+16
Volume
1.6034487932976E+24
Surface area
6.6250249968472E+16
Circumference
456214092.9426
Perimeter
290434912
Area
5272027381777984
Diagonal
102684247.88426
Surface area
31632164290667904
Volume
3.8279520217207E+23
Space diagonal
125762005.96895
Perimeter
217826184
Area
2.2828548210334E+15
Altitude
62881002.984474
Surface area
2.2828548210334E+15
Volume
4.5112847210258E+22
Height
34228082.628086