21783984 is an even 8-digits composite number following 21783983
and preceding 21783985 . In scientific notation, it is written as 2.1783984 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 7261312 positive integers (up to 21783984) that are relatively prime to 21783984.
21783984 has 20 divisors, whose sum is 56275416
The reverse of 21783984 is 48938712
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million seven hundred eighty-three thousand nine hundred eighty-four
Scientific notation
2.1783984 × 10^7
Engineering notation
2.1783984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 453833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2722998
Product of the distinct prime numbers
The prime factorization of 21783984 is 2 × 2 × 2 × 2 × 3 × 453833.
Since it has a total of 6 prime factors.
1 , 10 , 42 , 74 , 460 , 989 , 7461 , 3259 , 11829 , 42696 , 154142 , 157986 , 5485972 , 1438112 , 85975739 , 8660539 , 538720783 , 699393908 , 364825654 , 3032696495
n×2
43567968
n×3
65351952
n×4
87135936
n×5
108919920
n÷2
10891992
n÷3
7261328
n÷3
5445996
n÷5
4356796.8
n2
474541958912256
n3
1.0337414440273E+22
n4
2.2519007076828E+29
n5
4.9055368985751E+36
2 √n
4667.3315716799
3 √n
279.28381596473
4 √n
68.317871539444
5 √n
29.351308143864
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 453833 , 907666 , 1361499 , 1815332 , 2722998 , 3630664 , 5445996 , 7261328 , 10891992 , 21783984
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21783983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21783984 can be divided by 20 positive divisors.
The sum of these divisors (counting 21783984) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011000110010110110000
3
Ternary
1111222202000020
4
Quaternary
1103012112300
5
Quinary
21034041414
6
Senary
2054523440
8
Octal
123062660
10
Decimal
21783984
12
Duodecimal
7366580
16
Hexadecimal
14c65b0
20
Vigesimal
6g2jj4
36
Base36
cywmo
md5
7dbc5c25893e70f54fa699e26f141dba
sha1
1028d7eca7b7798b1d181a2d0b9c47e10a085a98
sha256
4927ca1303477f8628e69778787f6eebfe6420add04ba2ca6d4da0c405fd726a
sha512
b9a9bb445368c5016fded3cc34b767cd8ef59173da480870f9f6a0f6fa342376d36042efdc69b248a1d090e57e237987403c409b73d05bd940b5b65eb325cb99
ripemd-160
b95b338c5a7727fb6f791993657bab9fc5e73479
Diameter
43567968
Circumference
136872808.20064
Area
1.4908175319389E+15
Volume
4.3301260350234E+22
Surface area
5.9632701277554E+15
Circumference
136872808.20064
Perimeter
87135936
Area
474541958912256
Diagonal
30807205.615319
Surface area
2847251753473536
Volume
1.0337414440273E+22
Space diagonal
37730967.079268
Perimeter
65351952
Area
2.0548269578982E+14
Altitude
18865483.539634
Surface area
2.0548269578982E+14
Volume
1.2182759751088E+21
Height
10269068.53844