72742420 is an even 8-digits composite number following 72742419
and preceding 72742421 . In scientific notation, it is written as 7.2742420 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 29096960 positive integers (up to 72742420) that are relatively prime to 72742420.
72742420 has 12 divisors, whose sum is 152759124
The reverse of 72742420 is 02424727
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million seven hundred forty-two thousand four hundred twenty
Scientific notation
7.2742420 × 10^7
Engineering notation
7.2742420 × 10^6
Prime Factorization
2 × 2 × 5 × 3637121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36371210
Product of the distinct prime numbers
The prime factorization of 72742420 is 2 × 2 × 5 × 3637121.
Since it has a total of 4 prime factors.
10 , 1 , 1 , 96 , 609 , 744 , 8092 , 8980 , 39249 , 9906 , 384346 , 959805 , 3763688 , 8621900 , 79448206 , 67929364 , 344841217 , 813662860 , 8293364378 , 9086358242
n×2
145484840
n×3
218227260
n×4
290969680
n×5
363712100
n÷2
36371210
n÷3
24247473.333333
n÷3
18185605
n÷5
14548484
n2
5291459667456400
n3
3.8491358154317E+23
n4
2.7999545412318E+31
n5
2.0367546921919E+39
2 √n
8528.9166955716
3 √n
417.44178135697
4 √n
92.352134223155
5 √n
37.355757634388
1 , 2 , 4 , 5 , 10 , 20 , 3637121 , 7274242 , 14548484 , 18185605 , 36371210 , 72742420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72742419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72742420 can be divided by 12 positive divisors.
The sum of these divisors (counting 72742420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101011111011000010100
3
Ternary
12001212200211201
4
Quaternary
10111133120110
5
Quinary
122110224140
6
Senary
11115042244
8
Octal
425373024
10
Decimal
72742420
12
Duodecimal
20440384
16
Hexadecimal
455f614
20
Vigesimal
12ecg10
36
Base36
17b4es
md5
edeeaec5cd64e354b62ef8c59086950b
sha1
bb2bfa93bcd549636bd3e66cacbdd9bc82a4fbaa
sha256
d698fd590c30e04ecab8186c7b146057c3ed88301a2f8b42a795b263bcdb0fad
sha512
49848e25196703c2deccf25b0fc1ab5a70892dde5fa4ec584f129fc8f248e7cc9baf6b0e90dd80370e1e1fc432e4feaebbcb0613e0f853587d3eccad352f260f
ripemd-160
7f338f56b6b66852226b120ba55035e135ae2c1a
Diameter
145484840
Circumference
457054104.55269
Area
1.6623610818048E+16
Volume
1.6123222400573E+24
Surface area
6.6494443272191E+16
Circumference
457054104.55269
Perimeter
290969680
Area
5291459667456400
Diagonal
102873316.92384
Surface area
31748758004738400
Volume
3.8491358154317E+23
Space diagonal
125993567.30551
Perimeter
218227260
Area
2.291269247559E+15
Altitude
62996783.652757
Surface area
2.291269247559E+15
Volume
4.536250061333E+22
Height
34291105.64128