72809311 is an odd 8-digits composite number following 72809310
and preceding 72809312 . In scientific notation, it is written as 7.2809311 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 68788440 positive integers (up to 72809311) that are relatively prime to 72809311.
72809311 has 8 divisors, whose sum is 76851200
The reverse of 72809311 is 11390827
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million eight hundred nine thousand three hundred eleven
Scientific notation
7.2809311 × 10^7
Engineering notation
7.2809311 × 10^6
Prime Factorization
19 × 379 × 10111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72809311
Product of the distinct prime numbers
The prime factorization of 72809311 is 19 × 379 × 10111.
Since it has a total of 3 prime factors.
2 , 4 , 7 , 98 , 233 , 780 , 5424 , 3831 , 64906 , 4295 , 152221 , 354040 , 1632534 , 7187750 , 96288628 , 95364983 , 439893984 , 498150456 , 8673386302 , 5303995594
n×2
145618622
n×3
218427933
n×4
291237244
n×5
364046555
n÷2
36404655.5
n÷3
24269770.333333
n÷3
18202327.75
n÷5
14561862.2
n2
5301195768294721
n3
3.8597641136565E+23
n4
2.8102676573786E+31
n5
2.0461365185932E+39
2 √n
8532.8372186512
3 √n
417.56969637355
4 √n
92.373357731822
5 √n
37.362625278839
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
-72809310
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 72809311 can be divided by 8 positive divisors.
The sum of these divisors (counting 72809311) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101101111101101011111
3
Ternary
12002000002121011
4
Quaternary
10111233231133
5
Quinary
122114344221
6
Senary
11120320051
8
Octal
425575537
10
Decimal
72809311
12
Duodecimal
20473027
16
Hexadecimal
456fb5f
20
Vigesimal
12f135b
36
Base36
17ck0v
md5
01e6f89c2633a489ec2048e08491ccd0
sha1
659571a99b3e1c5eff3b4067c4020a06a924293d
sha256
56acda3aaea3daf69d3a2188ee48f65dfe8b60a242a3351e1ac91af65c101087
sha512
69a61d8bd4b3e11042e8a10ffa5435c0ddff77e3b869edc0177d5f258850495d9e81bf72f67729353ebe7cbe12e4e4093272a94b3484bc13786725b2ddf0e98e
ripemd-160
eb29733ba248b46024cfbbeb419f612883a0c8fa
Diameter
145618622
Circumference
457474393.10107
Area
1.6654197680916E+16
Volume
1.6167742112071E+24
Surface area
6.6616790723664E+16
Circumference
457474393.10107
Perimeter
291237244
Area
5301195768294721
Diagonal
102967915.08324
Surface area
31807174609768326
Volume
3.8597641136565E+23
Space diagonal
126109425.91608
Perimeter
218427933
Area
2.2954851028889E+15
Altitude
63054712.958042
Surface area
2.2954851028889E+15
Volume
4.5487756309117E+22
Height
34322638.36108