21609994 is an even 8-digits composite number following 21609993
and preceding 21609995 . In scientific notation, it is written as 2.1609994 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 9045792 positive integers (up to 21609994) that are relatively prime to 21609994.
21609994 has 16 divisors, whose sum is 37908288
The reverse of 21609994 is 49990612
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million six hundred nine thousand nine hundred ninety-four
Scientific notation
2.1609994 × 10^7
Engineering notation
2.1609994 × 10^6
Prime Factorization
2 × 7 × 43 × 35897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21609994
Product of the distinct prime numbers
The prime factorization of 21609994 is 2 × 7 × 43 × 35897.
Since it has a total of 4 prime factors.
8 , 3 , 37 , 48 , 897 , 382 , 9062 , 9013 , 76148 , 78074 , 49538 , 948118 , 5716292 , 7650967 , 68179575 , 43723054 , 928308535 , 871826630 , 7970107978 , 7268241260
n×2
43219988
n×3
64829982
n×4
86439976
n×5
108049970
n÷2
10804997
n÷3
7203331.3333333
n÷3
5402498.5
n÷5
4321998.8
n2
466991840680036
n3
1.0091690875145E+22
n4
2.1808137926173E+29
n5
4.7127372973577E+36
2 √n
4648.6550743199
3 √n
278.53827528185
4 √n
68.181046298219
5 √n
29.304271493741
1 , 2 , 7 , 14 , 43 , 86 , 301 , 602 , 35897 , 71794 , 251279 , 502558 , 1543571 , 3087142 , 10804997 , 21609994
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
-21609993
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 21609994 can be divided by 16 positive divisors.
The sum of these divisors (counting 21609994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010011011111000001010
3
Ternary
1111122220100011
4
Quaternary
1102123320022
5
Quinary
21013004434
6
Senary
2051102134
8
Octal
122337012
10
Decimal
21609994
12
Duodecimal
72a194a
16
Hexadecimal
149be0a
20
Vigesimal
6f14je
36
Base36
cv6dm
md5
93c19c9238514f331aa55046a71dc27b
sha1
f652711bfe5d765717f729db1a691293d3b39152
sha256
709e7beebc8bc3b5f012a3f5a57eb80043d7ff524089853ac063f509d7525c34
sha512
f2545c47db6e0ec366d3752c0f0cc7f05c90120cbdf0a064892a18cd7e8c34131bcbb627fa603f76b3020157aa7d72ebc546607037d772d9646675fa1a49ba5c
ripemd-160
82fac2df4c516db3ad9d8ae0432101782c051ccc
Diameter
43219988
Circumference
135779596.78904
Area
1.4670981359668E+15
Volume
4.2271975887538E+22
Surface area
5.8683925438671E+15
Circumference
135779596.78904
Perimeter
86439976
Area
466991840680036
Diagonal
30561146.597601
Surface area
2801951044080216
Volume
1.0091690875145E+22
Space diagonal
37429607.559259
Perimeter
64829982
Area
2.0221339869448E+14
Altitude
18714803.779629
Surface area
2.0221339869448E+14
Volume
1.1893171752422E+21
Height
10187048.865867