21006984 is an even 8-digits composite number following 21006983
and preceding 21006985 . In scientific notation, it is written as 2.1006984 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6982272 positive integers (up to 21006984) that are relatively prime to 21006984.
21006984 has 32 divisors, whose sum is 52668000
The reverse of 21006984 is 48960012
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six thousand nine hundred eighty-four
Scientific notation
2.1006984 × 10^7
Engineering notation
2.1006984 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 419 × 2089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5251746
Product of the distinct prime numbers
The prime factorization of 21006984 is 2 × 2 × 2 × 3 × 419 × 2089.
Since it has a total of 6 prime factors.
6 , 10 , 53 , 41 , 376 , 555 , 6165 , 3869 , 57443 , 89196 , 35967 , 270492 , 4567336 , 2778161 , 84547754 , 41867720 , 162464387 , 611032271 , 1043750819 , 7757226305
n×2
42013968
n×3
63020952
n×4
84027936
n×5
105034920
n÷2
10503492
n÷3
7002328
n÷3
5251746
n÷5
4201396.8
n2
441293376776256
n3
9.2702429052448E+21
n4
1.9473984438659E+29
n5
4.0908967951916E+36
2 √n
4583.3376484828
3 √n
275.92299889337
4 √n
67.700351908117
5 √n
29.138872350393
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 419 , 838 , 1257 , 1676 , 2089 , 2514 , 3352 , 4178 , 5028 , 6267 , 8356 , 10056 , 12534 , 16712 , 25068 , 50136 , 875291 , 1750582 , 2625873 , 3501164 , 5251746 , 7002328 , 10503492 , 21006984
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21006983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21006984 can be divided by 32 positive divisors.
The sum of these divisors (counting 21006984) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001000101010001000
3
Ternary
1110112021011110
4
Quaternary
1100020222020
5
Quinary
20334210414
6
Senary
2030130320
8
Octal
120105210
10
Decimal
21006984
12
Duodecimal
70509a0
16
Hexadecimal
1408a88
20
Vigesimal
6b5h94
36
Base36
ci93c
md5
5f3e5d29894ffaf8c92d9b235cd9603d
sha1
f07a50e6b14f206aff1f97c038fa983cc51083c5
sha256
09a1214083cd1f7f7a5d9b769b5479be0d812b0c0b4a2354c6161acde8cb7e12
sha512
fbe0c33ff11c7fa1ead93803cb63d8137b05e5a1080b13648ce5062c7a229593e0256f458d660c2b421a98518f3b7aac207f86ff72cc730a7d42beb5d364b055
ripemd-160
ac5329e803897c1d4f8d79abb6a0a23b3db9dffc
Diameter
42013968
Circumference
131990773.21696
Area
1.3863640305581E+15
Volume
3.883110267748E+22
Surface area
5.5454561222325E+15
Circumference
131990773.21696
Perimeter
84027936
Area
441293376776256
Diagonal
29708361.677355
Surface area
2647760260657536
Volume
9.2702429052448E+21
Space diagonal
36385163.601786
Perimeter
63020952
Area
1.9108563740503E+14
Altitude
18192581.800893
Surface area
1.9108563740503E+14
Volume
1.0925086035908E+21
Height
9902787.2257849