21931484 is an even 8-digits composite number following 21931483
and preceding 21931485 . In scientific notation, it is written as 2.1931484 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10956288 positive integers (up to 21931484) that are relatively prime to 21931484.
21931484 has 12 divisors, whose sum is 38413200
The reverse of 21931484 is 48413912
Previous prime number is 2039
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred thirty-one thousand four hundred eighty-four
Scientific notation
2.1931484 × 10^7
Engineering notation
2.1931484 × 10^6
Prime Factorization
2 × 2 × 2039 × 2689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10965742
Product of the distinct prime numbers
The prime factorization of 21931484 is 2 × 2 × 2039 × 2689.
Since it has a total of 4 prime factors.
2 , 1 , 73 , 68 , 346 , 855 , 8948 , 9052 , 28272 , 90278 , 276061 , 549961 , 2567555 , 4419123 , 68825196 , 30292059 , 203361258 , 776354137 , 2616486141 , 4639273693
n×2
43862968
n×3
65794452
n×4
87725936
n×5
109657420
n÷2
10965742
n÷3
7310494.6666667
n÷3
5482871
n÷5
4386296.8
n2
480989990442256
n3
1.0548824279544E+22
n4
2.3135137090564E+29
n5
5.0738788893951E+36
2 √n
4683.1062341143
3 √n
279.91274492078
4 √n
68.433224636241
5 √n
29.390948641095
1 , 2 , 4 , 2039 , 2689 , 4078 , 5378 , 8156 , 10756 , 5482871 , 10965742 , 21931484
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931483
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931484 can be divided by 12 positive divisors.
The sum of these divisors (counting 21931484) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011101010010111011100
3
Ternary
1112021020100012
4
Quaternary
1103222113130
5
Quinary
21103301414
6
Senary
2102022352
8
Octal
123522734
10
Decimal
21931484
12
Duodecimal
74179b8
16
Hexadecimal
14ea5dc
20
Vigesimal
6h18e4
36
Base36
d22fw
md5
ba7a6a8038cea308e43a4b8712b8ebc5
sha1
ea556f08d3835d17d4c8b3782146b31784be4fcb
sha256
c12b0addc412069556a300092f10af92408b44ccf9cd510c26539b0677ccf4b7
sha512
6157f2c068933e92b4685bf928bc899b2804757a5cbaed2264be13e58dd6d1a0a5e8bc096dde8b849caa3267123f4d31bef37502d7b254ffc59da41a66add8e8
ripemd-160
7bd2d3742cc57530db60e47e4fab9b6dcd2226f8
Diameter
43862968
Circumference
137799578.03344
Area
1.5110746204236E+15
Volume
4.4186811814169E+22
Surface area
6.0442984816945E+15
Circumference
137799578.03344
Perimeter
87725936
Area
480989990442256
Diagonal
31015802.115769
Surface area
2885939942653536
Volume
1.0548824279544E+22
Space diagonal
37986444.573384
Perimeter
65794452
Area
2.0827477534451E+14
Altitude
18993222.286692
Surface area
2.0827477534451E+14
Volume
1.2431908636019E+21
Height
10338600.705256