20999904 is an even 8-digits composite number following 20999903
and preceding 20999905 . In scientific notation, it is written as 2.0999904 × 10^7.
The sum of its digits is 42. It has a total of 7 prime factors and 24 positive divisors.
There are 6999936 positive integers (up to 20999904) that are relatively prime to 20999904.
20999904 has 24 divisors, whose sum is 55125000
The reverse of 20999904 is 40999902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-nine thousand nine hundred four
Scientific notation
2.0999904 × 10^7
Engineering notation
2.0999904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 218749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1312494
Product of the distinct prime numbers
The prime factorization of 20999904 is 2 × 2 × 2 × 2 × 2 × 3 × 218749.
Since it has a total of 7 prime factors.
10 , 1 , 67 , 18 , 516 , 669 , 2874 , 5844 , 32968 , 93367 , 870989 , 728553 , 7674776 , 7092060 , 84625697 , 38798215 , 262015806 , 791393531 , 9468630579 , 2925269112
n×2
41999808
n×3
62999712
n×4
83999616
n×5
104999520
n÷2
10499952
n÷3
6999968
n÷3
5249976
n÷5
4199980.8
n2
440995968009216
n3
9.2608729925806E+21
n4
1.9447744380039E+29
n5
4.0840076499735E+36
2 √n
4582.5652204851
3 √n
275.89199722998
4 √n
67.694646911592
5 √n
29.13690794623
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 218749 , 437498 , 656247 , 874996 , 1312494 , 1749992 , 2624988 , 3499984 , 5249976 , 6999968 , 10499952 , 20999904
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20999903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20999904 can be divided by 24 positive divisors.
The sum of these divisors (counting 20999904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000110111011100000
3
Ternary
1110111220110020
4
Quaternary
1100012323200
5
Quinary
20333444104
6
Senary
2030033440
8
Octal
120067340
10
Decimal
20999904
12
Duodecimal
7048880
16
Hexadecimal
1406ee0
20
Vigesimal
6b4jf4
36
Base36
ci3mo
md5
c4da31e02610bf942dc35f60503d6b78
sha1
1034ab552130463e65875f3155749ff313a52403
sha256
9c77244475b2c21391468c9a12eff2caa0616878f7b196b9beaf54ec42740807
sha512
c4bb4ea0367f46e11ddbb20c11875b95456249940f9ffee1459e3a937be24e0d52d09c1486e38d76e5f6882a45111f2d1321fc486c2e25095befa72038c2dc20
ripemd-160
d5fcf75679f7ac0956e8d29e06008a1a80c246d4
Diameter
41999808
Circumference
131946288.26498
Area
1.3854296933605E+15
Volume
3.8791854079092E+22
Surface area
5.5417187734419E+15
Circumference
131946288.26498
Perimeter
83999616
Area
440995968009216
Diagonal
29698349.045333
Surface area
2645975808055296
Volume
9.2608729925806E+21
Space diagonal
36372900.682069
Perimeter
62999712
Area
1.9095685563125E+14
Altitude
18186450.341034
Surface area
1.9095685563125E+14
Volume
1.0914043487935E+21
Height
9899449.6817777