72742221 is an odd 8-digits composite number following 72742220
and preceding 72742222 . In scientific notation, it is written as 7.2742221 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 47672520 positive integers (up to 72742221) that are relatively prime to 72742221.
72742221 has 8 divisors, whose sum is 82195200
The reverse of 72742221 is 12224727
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-two million seven hundred forty-two thousand two hundred twenty-one
Scientific notation
7.2742221 × 10^7
Engineering notation
7.2742221 × 10^6
Prime Factorization
9 × 59 × 136991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72742221
Product of the distinct prime numbers
The prime factorization of 72742221 is 9 × 59 × 136991.
Since it has a total of 3 prime factors.
6 , 5 , 78 , 4 , 293 , 48 , 808 , 5365 , 43783 , 17195 , 178935 , 760085 , 8198542 , 4376733 , 23440853 , 82236826 , 362809606 , 620037721 , 7012536490 , 1929858125
n×2
145484442
n×3
218226663
n×4
290968884
n×5
363711105
n÷2
36371110.5
n÷3
24247407
n÷3
18185555.25
n÷5
14548444.2
n2
5291430716012841
n3
3.8491042255039E+23
n4
2.7999239022364E+31
n5
2.0367268327966E+39
2 √n
8528.9050293692
3 √n
417.44140069422
4 √n
92.352071061613
5 √n
37.355737195684
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
-72742220
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 72742221 can be divided by 8 positive divisors.
The sum of these divisors (counting 72742221) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101011111010101001101
3
Ternary
12001212200120100
4
Quaternary
10111133111031
5
Quinary
122110222341
6
Senary
11115041313
8
Octal
425372515
10
Decimal
72742221
12
Duodecimal
20440239
16
Hexadecimal
455f54d
20
Vigesimal
12ecfb1
36
Base36
17b499
md5
87617531e6d8b14723873d75b4d73cde
sha1
edef1bcddaae5717e323f55e93f30eb03fe2d8f6
sha256
6b620d055f135a5710d652341d20886c4f52c44f94288509709e11703d2f1541
sha512
73605dd310104473d785e5047aeeaa68821f45f8d2529a88682dede28647709a32da034be696bd2724f3df60e72d839e131b94e2cbe2c20f0af09abb1001e695
ripemd-160
656d18ce4f500392e440c9aece63ebd5a580c02f
Diameter
145484442
Circumference
457052854.19881
Area
1.6623519864405E+16
Volume
1.6123090076993E+24
Surface area
6.6494079457621E+16
Circumference
457052854.19881
Perimeter
290968884
Area
5291430716012841
Diagonal
102873035.49534
Surface area
31748584296077046
Volume
3.8491042255039E+23
Space diagonal
125993222.6274
Perimeter
218226663
Area
2.2912567112162E+15
Altitude
62996611.313702
Surface area
2.2912567112162E+15
Volume
4.5362128322461E+22
Height
34291011.83178