72742491 is an odd 8-digits composite number following 72742490
and preceding 72742492 . In scientific notation, it is written as 7.2742491 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 46386384 positive integers (up to 72742491) that are relatively prime to 72742491.
72742491 has 8 divisors, whose sum is 84339360
The reverse of 72742491 is 19424727
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million seven hundred forty-two thousand four hundred ninety-one
Scientific notation
7.2742491 × 10^7
Engineering notation
7.2742491 × 10^6
Prime Factorization
9 × 23 × 351413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72742491
Product of the distinct prime numbers
The prime factorization of 72742491 is 9 × 23 × 351413.
Since it has a total of 3 prime factors.
1 , 4 , 57 , 68 , 544 , 468 , 8594 , 760 , 13408 , 62204 , 940664 , 502376 , 4546318 , 7164689 , 34668684 , 6315169 , 533500337 , 108332059 , 1683788421 , 7290760146
n×2
145484982
n×3
218227473
n×4
290969964
n×5
363712455
n÷2
36371245.5
n÷3
24247497
n÷3
18185622.75
n÷5
14548498.2
n2
5291469996885081
n3
3.8491470862518E+23
n4
2.7999654727935E+31
n5
2.0367646320499E+39
2 √n
8528.9208578811
3 √n
417.44191717115
4 √n
92.352156758146
5 √n
37.355764926578
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72742490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72742491 can be divided by 8 positive divisors.
The sum of these divisors (counting 72742491) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101011111011001011011
3
Ternary
12001212200221100
4
Quaternary
10111133121123
5
Quinary
122110224431
6
Senary
11115042443
8
Octal
425373133
10
Decimal
72742491
12
Duodecimal
20440423
16
Hexadecimal
455f65b
20
Vigesimal
12ecg4b
36
Base36
17b4gr
md5
42e29b88db249696e4cd3ed43fcf21b9
sha1
282fda610c60856818cc824e9b87ac1100606dfc
sha256
87e1187e254d2a7c296e1e0cca3ef031811be6481447c280fb96a6fda5e41541
sha512
3b2363b116719cfb9168a9001f5947b261b612540a80a4c5ff10b9dbc6afa738c43aaa6d83f9a7a81afe8c7ce5e7f4e600165b9b985eb4e88edf59bc9b0b6404
ripemd-160
f9545fa73f2761e7c8f067e8942555b3bf63b133
Diameter
145484982
Circumference
457054550.65884
Area
1.6623643268905E+16
Volume
1.6123269611674E+24
Surface area
6.649457307562E+16
Circumference
457054550.65884
Perimeter
290969964
Area
5291469996885081
Diagonal
102873417.333
Surface area
31748819981310486
Volume
3.8491470862518E+23
Space diagonal
125993690.28112
Perimeter
218227473
Area
2.2912737203328E+15
Altitude
62996845.140561
Surface area
2.2912737203328E+15
Volume
4.5362633441219E+22
Height
34291139.111001