72742471 is an odd 8-digits prime number following 72742470
and preceding 72742472 . In scientific notation, it is written as 7.2742471 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 72742470 positive integers (up to 72742471) that are relatively prime to 72742471.
72742471 has 2 divisors, whose sum is 72742472
The reverse of 72742471 is 17424727
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
seventy-two million seven hundred forty-two thousand four hundred seventy-one
Scientific notation
7.2742471 × 10^7
Engineering notation
7.2742471 × 10^6
Prime Factorization
72742471
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72742471 Product of the distinct prime numbers
The prime factorization of 72742471 is 72742471.
Since it has a total of 1 prime factors.
7 , 4 , 77 , 44 , 795 , 670 , 6954 , 9767 , 24949 , 38722 , 572235 , 332125 , 905877 , 7125871 , 96302022 , 34588991 , 955625229 , 440367555 , 7606538517 , 5556757482
n×2
145484942
n×3
218227413
n×4
290969884
n×5
363712355
n÷2
36371235.5
n÷3
24247490.333333
n÷3
18185617.75
n÷5
14548494.2
n2
5291467087185841
n3
3.8491439113707E+23
n4
2.7999623934771E+31
n5
2.036761832086E+39
2 √n8528.9196853998
3 √n417.44187891365
4 √n92.352150410263
5 √n37.35576287244
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72742472 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36371236 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8528.9197440239 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999725057 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72742471 can be divided by 2 positive divisors.
The sum of these divisors (counting 72742471) is 72742472, the average is 36371236.
Base
System
Value
2
Binary
100010101011111011001000111
3
Ternary
12001212200220121
4
Quaternary
10111133121013
5
Quinary
122110224341
6
Senary
11115042411
8
Octal
425373107
10
Decimal
72742471
12
Duodecimal
20440407
16
Hexadecimal
455f647
20
Vigesimal
12ecg3b
36
Base36
17b4g7
md5
5d9428e6b9b067ab6e5a90165a79d779
sha1
dabb8399e24837ad641ff547f8b365c7370eea2b
sha256
fb2fc32ebbc3c98e387407def03a0bc26a662044d613b582736ef934c19e65d2
sha512
0931b5c741d9b68dff8d7b19c1f0fdf138147deb40d2074019fe2ada644110bb8eb4559b4b446d7172163caa19e7bfefc6999db0a07b774b1fba9af48f2b3af5
ripemd-160
18305a2ffc5bf33d7206673e91f55f429a2c75b3
Diameter
145484942
Circumference
457054424.99514
Area
1.6623634127815E+16
Volume
1.6123256312763E+24
Surface area
6.6494536511261E+16
Circumference
457054424.99514
Perimeter
290969884
Area
5291467087185841
Diagonal
102873389.04873
Surface area
31748802523115046
Volume
3.8491439113707E+23
Space diagonal
125993655.64011
Perimeter
218227413
Area
2.2912724603961E+15
Altitude
62996827.820053
Surface area
2.2912724603961E+15
Volume
4.5362596024886E+22
Height
34291129.682911