72809739 is an odd 8-digits composite number following 72809738
and preceding 72809740 . In scientific notation, it is written as 7.2809739 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 48387240 positive integers (up to 72809739) that are relatively prime to 72809739.
72809739 has 16 divisors, whose sum is 108205440
The reverse of 72809739 is 93790827
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million eight hundred nine thousand seven hundred thirty-nine
Scientific notation
7.2809739 × 10^7
Engineering notation
7.2809739 × 10^6
Prime Factorization
9 × 3 × 331 × 8147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72809739
Product of the distinct prime numbers
The prime factorization of 72809739 is 9 × 3 × 331 × 8147.
Since it has a total of 4 prime factors.
3 , 1 , 12 , 26 , 489 , 765 , 8248 , 760 , 40479 , 22031 , 288612 , 309977 , 591871 , 1007323 , 11852259 , 27435338 , 65220726 , 578883801 , 981927838 , 4316999924
n×2
145619478
n×3
218429217
n×4
291238956
n×5
364048695
n÷2
36404869.5
n÷3
24269913
n÷3
18202434.75
n÷5
14561947.8
n2
5301258093248121
n3
3.8598321814103E+23
n4
2.8103337371229E+31
n5
2.0461966590281E+39
2 √n
8532.8622981975
3 √n
417.57051458154
4 √n
92.373493482695
5 √n
37.362669204996
1 , 3 , 9 , 27 , 331 , 993 , 2979 , 8147 , 8937 , 24441 , 73323 , 219969 , 2696657 , 8089971 , 24269913 , 72809739
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72809738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72809739 can be divided by 16 positive divisors.
The sum of these divisors (counting 72809739) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101101111110100001011
3
Ternary
12002000010012000
4
Quaternary
10111233310023
5
Quinary
122114402424
6
Senary
11120322043
8
Octal
425576413
10
Decimal
72809739
12
Duodecimal
20473323
16
Hexadecimal
456fd0b
20
Vigesimal
12f146j
36
Base36
17ckcr
md5
f7d603939b131faec35a74725abca206
sha1
11d376f4fdda5bed57df7580dabf2e0ad6932c75
sha256
8123e37de84df9478df535d76221c412866467ccda0a39f8c55e2b1c821c72cc
sha512
f440c86c7eb084c08a6aa7f1e9450306bc923238cbecca4fff911be0236fb43004fda382e717297c6fee6753531baac7df9dc88c9321f13e9f77cf7806948e94
ripemd-160
ff9c32d49e30c9680956d0f0fa45cce28fbc5f38
Diameter
145619478
Circumference
457477082.30438
Area
1.6654393480532E+16
Volume
1.6168027233611E+24
Surface area
6.6617573922127E+16
Circumference
457477082.30438
Perimeter
291238956
Area
5301258093248121
Diagonal
102968520.36665
Surface area
31807548559488726
Volume
3.8598321814103E+23
Space diagonal
126110167.23383
Perimeter
218429217
Area
2.2955120903854E+15
Altitude
63055083.616915
Surface area
2.2955120903854E+15
Volume
4.5488558495289E+22
Height
34322840.122215