21307984 is an even 8-digits composite number following 21307983
and preceding 21307985 . In scientific notation, it is written as 2.1307984 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 10 positive divisors.
There are 10653984 positive integers (up to 21307984) that are relatively prime to 21307984.
21307984 has 10 divisors, whose sum is 41284250
The reverse of 21307984 is 48970312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred seven thousand nine hundred eighty-four
Scientific notation
2.1307984 × 10^7
Engineering notation
2.1307984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1331749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2663498
Product of the distinct prime numbers
The prime factorization of 21307984 is 2 × 2 × 2 × 2 × 1331749.
Since it has a total of 5 prime factors.
9 , 5 , 6 , 58 , 355 , 601 , 8784 , 6613 , 35952 , 17209 , 848582 , 959392 , 7026945 , 8894737 , 80326578 , 56593482 , 467492208 , 687657220 , 7026550626 , 933943523
n×2
42615968
n×3
63923952
n×4
85231936
n×5
106539920
n÷2
10653992
n÷3
7102661.3333333
n÷3
5326996
n÷5
4261596.8
n2
454030182144256
n3
9.6744678566469E+21
n4
2.0614340629795E+29
n5
4.3925004031021E+36
2 √n
4616.05719202
3 √n
277.23461466325
4 √n
67.94157189836
5 √n
29.221901492089
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21307983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21307984 can be divided by 10 positive divisors.
The sum of these divisors (counting 21307984) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010001010010001001010000
3
Ternary
1111002120001121
4
Quaternary
1101102021100
5
Quinary
20423323414
6
Senary
2040412024
8
Octal
121221120
10
Decimal
21307984
12
Duodecimal
7177014
16
Hexadecimal
1452250
20
Vigesimal
6d39j4
36
Base36
copcg
md5
97c83a23d899ec3e42274ca6cc20597e
sha1
6e71998d31b5c953abb7a469d55e3106a992aa0d
sha256
7d1ba2c63d1c54fcd47f3ed4dbb36de490e40c9151c022576c2a0fb07b64b2c7
sha512
fe12a706a090a6fd4dfea73b3060ae92851da7c99c027c4e4ba24795ead3fd505cab39e933602dfe442550521f11a92c2a9809f9b250471331b3c51bb3dba895
ripemd-160
8d35ae249eafecf2fae95f9c54b86d1a4694069c
Diameter
42615968
Circumference
133882011.99442
Area
1.4263778847324E+15
Volume
4.0524316194443E+22
Surface area
5.7055115389297E+15
Circumference
133882011.99442
Perimeter
85231936
Area
454030182144256
Diagonal
30134039.959629
Surface area
2724181092865536
Volume
9.6744678566469E+21
Space diagonal
36906510.894865
Perimeter
63923952
Area
1.966008359109E+14
Altitude
18453255.447432
Surface area
1.966008359109E+14
Volume
1.1401469709677E+21
Height
10044679.986543