82661220 is an even 8-digits composite number following 82661219
and preceding 82661221 . In scientific notation, it is written as 8.2661220 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 22042944 positive integers (up to 82661220) that are relatively prime to 82661220.
82661220 has 12 divisors, whose sum is 147872060
The reverse of 82661220 is 02216628
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-two million six hundred sixty-one thousand two hundred twenty
Scientific notation
8.2661220 × 10^7
Engineering notation
8.2661220 × 10^6
Prime Factorization
2 × 2 × 45 × 459229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
41330610
Product of the distinct prime numbers
The prime factorization of 82661220 is 2 × 2 × 45 × 459229.
Since it has a total of 4 prime factors.
4 , 9 , 56 , 76 , 600 , 723 , 9450 , 5851 , 52227 , 69612 , 434559 , 758688 , 2856651 , 841266 , 30379134 , 97263704 , 371455412 , 217303555 , 4548211571 , 6052066129
n×2
165322440
n×3
247983660
n×4
330644880
n×5
413306100
n÷2
41330610
n÷3
27553740
n÷3
20665305
n÷5
16532244
n2
6832877291888400
n3
5.6481397305779E+23
n4
4.6688212086004E+31
n5
3.8593045706478E+39
2 √n
9091.8215996576
3 √n
435.61277096532
4 √n
95.351044040732
5 √n
38.323076151718
1 , 2 , 4 , 45 , 90 , 180 , 459229 , 918458 , 1836916 , 20665305 , 41330610 , 82661220
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
-82661219
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 82661220 can be divided by 12 positive divisors.
The sum of these divisors (counting 82661220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111011010100111101100100
3
Ternary
12202112121212200
4
Quaternary
10323110331210
5
Quinary
132130124340
6
Senary
12111414500
8
Octal
473247544
10
Decimal
82661220
12
Duodecimal
23824430
16
Hexadecimal
4ed4f64
20
Vigesimal
15gcd10
36
Base36
1d7pt0
md5
868c4ea3cef94bfb81eed49fce53254c
sha1
b738a83a2c7933d49cda7d9f9bec041b15439253
sha256
5e313716a33d956376c0778abded2cf6848b0cedafc0237c102fd6c1254cd26a
sha512
4db8ae96c78ecb36ecec53b8137cbf0d45061f423b74adb85cb79bdf084c1713713199ab1e1f48b5a345b63e1d2ddb44e84251a6132e0433b1094f3aa60bd9a8
ripemd-160
9a8706bcad4ad79a916651a9f685932ceef76aa5
Diameter
165322440
Circumference
519375762.97754
Area
2.1466117103077E+16
Volume
2.365887237871E+24
Surface area
8.5864468412308E+16
Circumference
519375762.97754
Perimeter
330644880
Area
6832877291888400
Diagonal
116900618.40631
Surface area
40997263751330400
Volume
5.6481397305779E+23
Space diagonal
143173432.85563
Perimeter
247983660
Area
2.9587226578586E+15
Altitude
71586716.427814
Surface area
2.9587226578586E+15
Volume
6.6563965076347E+22
Height
38966872.802102