201620821 is an odd 9-digits composite number following 201620820
and preceding 201620822 . In scientific notation, it is written as 2.01620821 × 10^8.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 195540480 positive integers (up to 201620821) that are relatively prime to 201620821.
201620821 has 12 divisors, whose sum is 207883396
The reverse of 201620821 is 128026102
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
two hundred one million six hundred twenty thousand eight hundred twenty-one
Scientific notation
2.01620821 × 10^8
Engineering notation
2.01620821 × 10^6
Prime Factorization
41 × 41 × 433 × 277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4917581
Product of the distinct prime numbers
The prime factorization of 201620821 is 41 × 41 × 433 × 277.
Since it has a total of 4 prime factors.
4 , 8 , 85 , 36 , 287 , 156 , 5057 , 854 , 67996 , 66482 , 575131 , 956145 , 3721710 , 2373517 , 94111553 , 84047881 , 385542723 , 330271435 , 3683530935 , 1380444330
n×2
403241642
n×3
604862463
n×4
806483284
n×5
1008104105
n÷2
100810410.5
n÷3
67206940.333333
n÷3
50405205.25
n÷5
40324164.2
n2
40650955460714041
n3
8.1960790144236E+24
n4
1.652500179869E+33
n5
3.3317844296783E+41
2 √n
14199.32466704
3 √n
586.37906899779
4 √n
119.16091921028
5 √n
45.804387043997
1 , 41 , 277 , 433 , 1681 , 11357 , 17753 , 119941 , 465637 , 727873 , 4917581 , 201620821
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
-201620820
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 201620821 can be divided by 12 positive divisors.
The sum of these divisors (counting 201620821) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000001000111110101010101
3
Ternary
112001101101202211
4
Quaternary
30001013311111
5
Quinary
403103331241
6
Senary
32001233421
8
Octal
1401076525
10
Decimal
201620821
12
Duodecimal
57632871
16
Hexadecimal
c047d55
20
Vigesimal
3302c11
36
Base36
3c1fmd
md5
2564569589c9bc9f9d1f257366d34c6d
sha1
57f277f50d05f7a1cd7468dd0e30baf391aa83f5
sha256
c575cea4010d576d28db4e387dc720c64d753ddc2847260d06cbabc197bf53a4
sha512
60c69c53bbb31832353a98b8a498251509306c792765510c0d7f2076e07a24ecab95f391f5f2d49e1e567bd72082323d3a1b46a95ad0a038882e5d3c60b38026
ripemd-160
4829b3844a2543341a32439b09c7d04d8a797e2a
Diameter
403241642
Circumference
1266820980.1287
Area
1.2770874303679E+17
Volume
3.4331655493273E+25
Surface area
5.1083497214714E+17
Circumference
1266820980.1287
Perimeter
806483284
Area
40650955460714041
Diagonal
285134899.515
Surface area
243905732764284246
Volume
8.1960790144236E+24
Space diagonal
349217505.83575
Perimeter
604862463
Area
1.7602380058544E+16
Altitude
174608752.91788
Surface area
1.7602380058544E+16
Volume
9.6591717503995E+23
Height
95044966.504999