72742456 is an even 8-digits composite number following 72742455
and preceding 72742457 . In scientific notation, it is written as 7.2742456 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 33684480 positive integers (up to 72742456) that are relatively prime to 72742456.
72742456 has 32 divisors, whose sum is 144866880
The reverse of 72742456 is 65424727
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million seven hundred forty-two thousand four hundred fifty-six
Scientific notation
7.2742456 × 10^7
Engineering notation
7.2742456 × 10^6
Prime Factorization
2 × 2 × 2 × 1241 × 17 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18185614
Product of the distinct prime numbers
The prime factorization of 72742456 is 2 × 2 × 2 × 1241 × 17 × 431.
Since it has a total of 6 prime factors.
5 , 5 , 51 , 31 , 232 , 70 , 5921 , 3108 , 60037 , 64893 , 307233 , 636887 , 6527779 , 4793081 , 74849758 , 37996161 , 77677061 , 164304355 , 5380851603 , 7103311657
n×2
145484912
n×3
218227368
n×4
290969824
n×5
363712280
n÷2
36371228
n÷3
24247485.333333
n÷3
18185614
n÷5
14548491.2
n2
5291464904911936
n3
3.849141530211E+23
n4
2.7999600839915E+31
n5
2.0367597321151E+39
2 √n
8528.9188060387
3 √n
417.44185022051
4 √n
92.35214564935
5 √n
37.355761331837
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 431 , 862 , 1241 , 1724 , 2482 , 3448 , 4964 , 7327 , 9928 , 14654 , 21097 , 29308 , 42194 , 58616 , 84388 , 168776 , 534871 , 1069742 , 2139484 , 4278968 , 9092807 , 18185614 , 36371228 , 72742456
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
-72742455
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 72742456 can be divided by 32 positive divisors.
The sum of these divisors (counting 72742456) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010101011111011000111000
3
Ternary
12001212200220001
4
Quaternary
10111133120320
5
Quinary
122110224311
6
Senary
11115042344
8
Octal
425373070
10
Decimal
72742456
12
Duodecimal
204403b4
16
Hexadecimal
455f638
20
Vigesimal
12ecg2g
36
Base36
17b4fs
md5
5f924f5607650e8456258779653a1392
sha1
c16242ad5fa4d729ea2beb2805cf4d6bd3d070e9
sha256
22b1ad5072f74f752158c56a25d043b0d9d4813f382b8668d59ffd02f2ba9e39
sha512
6ef36850c0b8a626f719f581ad5b8e8005112540996dc13fb0f740c2f4eef43047cfbe4f7eb9f546241163f18a20dfcd1d18debf03db4b4726f901f6d054b916
ripemd-160
9565c2cf51994748be670e6ffa6cd9412cac42fd
Diameter
145484912
Circumference
457054330.74736
Area
1.6623627272E+16
Volume
1.6123246338584E+24
Surface area
6.6494509087998E+16
Circumference
457054330.74736
Perimeter
290969824
Area
5291464904911936
Diagonal
102873367.83553
Surface area
31748789429471616
Volume
3.849141530211E+23
Space diagonal
125993629.65934
Perimeter
218227368
Area
2.2912715154438E+15
Altitude
62996814.829672
Surface area
2.2912715154438E+15
Volume
4.5362567962649E+22
Height
34291122.611843