82578440 is an even 8-digits composite number following 82578439
and preceding 82578441 . In scientific notation, it is written as 8.2578440 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 28312512 positive integers (up to 82578440) that are relatively prime to 82578440.
82578440 has 32 divisors, whose sum is 212345280
The reverse of 82578440 is 04487528
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million five hundred seventy-eight thousand four hundred forty
Scientific notation
8.2578440 × 10^7
Engineering notation
8.2578440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 7 × 294923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20644610
Product of the distinct prime numbers
The prime factorization of 82578440 is 2 × 2 × 2 × 5 × 7 × 294923.
Since it has a total of 6 prime factors.
10 , 5 , 69 , 1 , 915 , 373 , 9613 , 4972 , 1257 , 63907 , 684403 , 309456 , 6450330 , 3802572 , 68391986 , 69251240 , 101665450 , 347221907 , 4082489508 , 5361997229
n×2
165156880
n×3
247735320
n×4
330313760
n×5
412892200
n÷2
41289220
n÷3
27526146.666667
n÷3
20644610
n÷5
16515688
n2
6819198752833600
n3
5.6311879505894E+23
n4
4.6501471630647E+31
n5
3.8400189849631E+39
2 √n
9087.2680162962
3 √n
435.4673094895
4 √n
95.327163055953
5 √n
38.31539744631
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 20 , 28 , 35 , 40 , 56 , 70 , 140 , 280 , 294923 , 589846 , 1179692 , 1474615 , 2064461 , 2359384 , 2949230 , 4128922 , 5898460 , 8257844 , 10322305 , 11796920 , 16515688 , 20644610 , 41289220 , 82578440
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82578439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82578440 can be divided by 32 positive divisors.
The sum of these divisors (counting 82578440) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111011000000110000001000
3
Ternary
12202101102022202
4
Quaternary
10323000300020
5
Quinary
132120002230
6
Senary
12105535332
8
Octal
473006010
10
Decimal
82578440
12
Duodecimal
237a4548
16
Hexadecimal
4ec0c08
20
Vigesimal
15g2620
36
Base36
1d5xxk
md5
92dd843d9870716158ea0991a45119cf
sha1
03937aad083288a01f0f005911fd0f402f1c1821
sha256
4b0073bec83d00b7a6593ed691f7c8acecb7e6c58ce3cf1add83aed14ca0834e
sha512
93674b94ed5a4edc8fd6690a9dfb2abe88e0f1a01972ea98cea592a21496c4aac05763ba45de97be11a0b3d7d975e6c457fd2099d3d461f4c76e295d164f8105
ripemd-160
e9eace48e31f7c25fde4aaf9db23471b52c05706
Diameter
165156880
Circumference
518855640.89781
Area
2.1423144705271E+16
Volume
2.358786492874E+24
Surface area
8.5692578821083E+16
Circumference
518855640.89781
Perimeter
330313760
Area
6819198752833600
Diagonal
116783549.80761
Surface area
40915192517001600
Volume
5.6311879505894E+23
Space diagonal
143030053.68978
Perimeter
247735320
Area
2.9527996767045E+15
Altitude
71515026.844889
Surface area
2.9527996767045E+15
Volume
6.6364186433296E+22
Height
38927849.935871