82820721 is an odd 8-digits composite number following 82820720
and preceding 82820722 . In scientific notation, it is written as 8.2820721 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 54038960 positive integers (up to 82820721) that are relatively prime to 82820721.
82820721 has 8 divisors, whose sum is 112777344
The reverse of 82820721 is 12702828
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-two million eight hundred twenty thousand seven hundred twenty-one
Scientific notation
8.2820721 × 10^7
Engineering notation
8.2820721 × 10^6
Prime Factorization
3 × 47 × 587381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82820721
Product of the distinct prime numbers
The prime factorization of 82820721 is 3 × 47 × 587381.
Since it has a total of 3 prime factors.
9 , 4 , 25 , 3 , 160 , 180 , 4975 , 4527 , 76346 , 68224 , 397410 , 599488 , 7806352 , 2604463 , 65650628 , 89340155 , 235381445 , 207720397 , 2648263187 , 185150344
n×2
165641442
n×3
248462163
n×4
331282884
n×5
414103605
n÷2
41410360.5
n÷3
27606907
n÷3
20705180.25
n÷5
16564144.2
n2
6859271826959841
n3
5.680898382438E+23
n4
4.7049609996125E+31
n5
3.8966826226479E+39
2 √n
9100.5890468694
3 √n
435.89277341001
4 √n
95.39700753624
5 √n
38.337854197724
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
-82820720
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 82820721 can be divided by 8 positive divisors.
The sum of these divisors (counting 82820721) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011111011111001110001
3
Ternary
12202211201200010
4
Quaternary
10323323321301
5
Quinary
132200230341
6
Senary
12115045133
8
Octal
473737161
10
Decimal
82820721
12
Duodecimal
238a07a9
16
Hexadecimal
4efbe71
20
Vigesimal
15hcbg1
36
Base36
1db4vl
md5
9cc33694f711e096f5bd4acca6a36da5
sha1
6e92f0bec352bc5990a7082ee055d3a10d8dfeb3
sha256
3b5a414776e0b8a7b3641838150fd149e80527e5b58699fe215e7a8a9bde9e0f
sha512
2db612b7aa198f42f7bcde55edc4d2e4f9345078c9b338db50881eed02ccfd83231de72b2c20e592a00c0b0fefe8e69fd63924b2d637b1ab6374b813e415c4ff
ripemd-160
48ff5c06bbf94a2e2ee57faede93ade537cf66d3
Diameter
165641442
Circumference
520377937.31722
Area
2.1549037980552E+16
Volume
2.3796091498743E+24
Surface area
8.619615192221E+16
Circumference
520377937.31722
Perimeter
331282884
Area
6859271826959841
Diagonal
117126186.88372
Surface area
41155630961759046
Volume
5.680898382438E+23
Space diagonal
143449696.69149
Perimeter
248462163
Area
2.9701518268051E+15
Altitude
71724848.345743
Surface area
2.9701518268051E+15
Volume
6.6950029490893E+22
Height
39042062.294573