16409821 is an odd 8-digits composite number following 16409820
and preceding 16409822 . In scientific notation, it is written as 1.6409821 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 16401312 positive integers (up to 16409821) that are relatively prime to 16409821.
16409821 has 4 divisors, whose sum is 16418332
The reverse of 16409821 is 12890461
Previous prime number is 2953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixteen million four hundred nine thousand eight hundred twenty-one
Scientific notation
1.6409821 × 10^7
Engineering notation
1.6409821 × 10^6
Prime Factorization
2953 × 5557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16409821
Product of the distinct prime numbers
The prime factorization of 16409821 is 2953 × 5557.
Since it has a total of 2 prime factors.
4 , 2 , 67 , 58 , 394 , 445 , 2289 , 9258 , 31009 , 60476 , 296174 , 505008 , 1688656 , 5514440 , 4726402 , 60094652 , 76135840 , 628026267 , 8290384762 , 8993334550
n×2
32819642
n×3
49229463
n×4
65639284
n×5
82049105
n÷2
8204910.5
n÷3
5469940.3333333
n÷3
4102455.25
n÷5
3281964.2
n2
269282225252041
n3
4.4188731148677E+21
n4
7.2512916836691E+28
n5
1.189923985478E+36
2 √n
4050.9037263307
3 √n
254.11752368287
4 √n
63.646710255368
5 √n
27.734527330223
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
-16409820
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 16409821 can be divided by 4 positive divisors.
The sum of these divisors (counting 16409821) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100110010011011101
3
Ternary
1010212201001011
4
Quaternary
332212103131
5
Quinary
13200103241
6
Senary
1343415221
8
Octal
76462335
10
Decimal
16409821
12
Duodecimal
55b4511
16
Hexadecimal
fa64dd
20
Vigesimal
52b4b1
36
Base36
9rpwd
md5
965a53affe4e9837fb208e573629d973
sha1
58cea40ec0f8400336f28c470e8dbdc135dc7864
sha256
912b0af241a83e5f04d65ae9c952786bf251d3f80194311d9cf8928f7d23e2c8
sha512
dc1793ba35036caba1ca9191a8ed46205c32c7a3bf9fc9abd497b076608ae966275e59b8dea441b9caaa296791ce21210ccaa55ebe574b148c401153f674c24f
ripemd-160
3e5626a99f7d83fb9f4a196493f55acec87d59b5
Diameter
32819642
Circumference
103105946.20065
Area
8.4597506059412E+14
Volume
1.8509732419752E+22
Surface area
3.3839002423765E+15
Circumference
103105946.20065
Perimeter
65639284
Area
269282225252041
Diagonal
23206991.414315
Surface area
1615693351512246
Volume
4.4188731148677E+21
Space diagonal
28422643.715111
Perimeter
49229463
Area
1.1660262392794E+14
Altitude
14211321.857555
Surface area
1.1660262392794E+14
Volume
5.2076919078764E+20
Height
7735663.8047716