21001608 is an even 8-digits composite number following 21001607
and preceding 21001609 . In scientific notation, it is written as 2.1001608 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors.
There are 7000512 positive integers (up to 21001608) that are relatively prime to 21001608.
21001608 has 16 divisors, whose sum is 43753500
The reverse of 21001608 is 80610012
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one thousand six hundred eight
Scientific notation
2.1001608 × 10^7
Engineering notation
2.1001608 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 291689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5250402
Product of the distinct prime numbers
The prime factorization of 21001608 is 2 × 2 × 2 × 9 × 291689.
Since it has a total of 5 prime factors.
6 , 10 , 41 , 2 , 591 , 111 , 2599 , 3105 , 12759 , 30987 , 305711 , 164779 , 293022 , 8887854 , 57756600 , 75456978 , 350557672 , 267753052 , 5934719049 , 7845516793
n×2
42003216
n×3
63004824
n×4
84006432
n×5
105008040
n÷2
10500804
n÷3
7000536
n÷3
5250402
n÷5
4200321.6
n2
441067538585664
n3
9.263127546901E+21
n4
1.9454057359402E+29
n5
4.0856648667167E+36
2 √n
4582.7511387812
3 √n
275.8994592839
4 √n
67.696020110352
5 √n
29.137380783437
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 291689 , 583378 , 1166756 , 2333512 , 2625201 , 5250402 , 10500804 , 21001608
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21001607
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21001608 can be divided by 16 positive divisors.
The sum of these divisors (counting 21001608) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111010110001000
3
Ternary
1110111222210100
4
Quaternary
1100013112020
5
Quinary
20334022413
6
Senary
2030045400
8
Octal
120072610
10
Decimal
21001608
12
Duodecimal
7049860
16
Hexadecimal
1407588
20
Vigesimal
6b5408
36
Base36
ci4y0
md5
1b1c49f0cf4056c36b973f44b020ad67
sha1
b4b82ae52d29049ebca005c848a07179735238e3
sha256
82bf0f0ca0785a556c8841893a9f7ad2f67580ef80e7542d615edad18749efbe
sha512
b3d0f54672fdf2854b9cdcbffab50c826e0a845bbe13ed07020021be48ca1a99da51e2f5063af19e243cc729acbe1fe501442d45f38e175f16a967c7a0565e25
ripemd-160
7e0ec226790a3ca51a6c3e5af75b9b5e60980dda
Diameter
42003216
Circumference
131956994.81275
Area
1.3856545389577E+15
Volume
3.8801297934146E+22
Surface area
5.5426181558306E+15
Circumference
131956994.81275
Perimeter
84006432
Area
441067538585664
Diagonal
29700758.865243
Surface area
2646405231513984
Volume
9.263127546901E+21
Space diagonal
36375852.096645
Perimeter
63004824
Area
1.9098784659993E+14
Altitude
18187926.048322
Surface area
1.9098784659993E+14
Volume
1.0916700505683E+21
Height
9900252.9550811