82661921 is an odd 8-digits composite number following 82661920
and preceding 82661922 . In scientific notation, it is written as 8.2661921 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 82469700 positive integers (up to 82661921) that are relatively prime to 82661921.
82661921 has 4 divisors, whose sum is 82854144
The reverse of 82661921 is 12916628
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-two million six hundred sixty-one thousand nine hundred twenty-one
Scientific notation
8.2661921 × 10^7
Engineering notation
8.2661921 × 10^6
Prime Factorization
431 × 191791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82661921
Product of the distinct prime numbers
The prime factorization of 82661921 is 431 × 191791.
Since it has a total of 2 prime factors.
3 , 9 , 89 , 39 , 214 , 99 , 7457 , 9953 , 73938 , 16986 , 862040 , 527396 , 5238353 , 5111429 , 57888346 , 84971809 , 36003502 , 576578420 , 4526641900 , 3328644808
n×2
165323842
n×3
247985763
n×4
330647684
n×5
413309605
n÷2
41330960.5
n÷3
27553973.666667
n÷3
20665480.25
n÷5
16532384.2
n2
6832993183410241
n3
5.648283427206E+23
n4
4.6689795844531E+31
n5
3.8594682156067E+39
2 √n
9091.8601507062
3 √n
435.61400235165
4 √n
95.351246193777
5 √n
38.323141150481
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82661920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82661921 can be divided by 4 positive divisors.
The sum of these divisors (counting 82661921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101001000100001
3
Ternary
12202112122211122
4
Quaternary
10323111020201
5
Quinary
132130140141
6
Senary
12111422025
8
Octal
473251041
10
Decimal
82661921
12
Duodecimal
23824915
16
Hexadecimal
4ed5221
20
Vigesimal
15gceg1
36
Base36
1d7qch
md5
55c93e5eeaac194bd29ec351648086ef
sha1
3e052625c86fb102001d39468032a25241c2cf1a
sha256
654c48a444be9b2b0778d5cfb3cc6c44341fa534fd85d716b7a9f33d77cef51b
sha512
fee71b983cce094e7774657976012c0457652274ee9ff9e1477be5f56158c43739826b2993834916f554b7bf1bccbf32941e1773d1b883f762947fd0b83747d6
ripemd-160
0fad9cae0c6df8bc1f1a973424c62090fecd6e19
Diameter
165323842
Circumference
519380167.49044
Area
2.1466481187031E+16
Volume
2.3659474293738E+24
Surface area
8.5865924748123E+16
Circumference
519380167.49044
Perimeter
330647684
Area
6832993183410241
Diagonal
116901609.77001
Surface area
40997959100461446
Volume
5.648283427206E+23
Space diagonal
143174647.02324
Perimeter
247985763
Area
2.9587728403596E+15
Altitude
71587323.511622
Surface area
2.9587728403596E+15
Volume
6.6565658557349E+22
Height
38967203.256671