21331640 is an even 8-digits composite number following 21331639
and preceding 21331641 . In scientific notation, it is written as 2.1331640 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 32 positive divisors.
There are 7756800 positive integers (up to 21331640) that are relatively prime to 21331640.
21331640 has 32 divisors, whose sum is 52360560
The reverse of 21331640 is 04613312
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million three hundred thirty-one thousand six hundred forty
Scientific notation
2.1331640 × 10^7
Engineering notation
2.1331640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 11 × 48481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5332910
Product of the distinct prime numbers
The prime factorization of 21331640 is 2 × 2 × 2 × 5 × 11 × 48481.
Since it has a total of 6 prime factors.
3 , 3 , 2 , 62 , 223 , 618 , 5558 , 2074 , 91067 , 11972 , 131217 , 79401 , 7779213 , 2190352 , 54239532 , 82081709 , 17839148 , 976331823 , 7274056251 , 6199247001
n×2
42663280
n×3
63994920
n×4
85326560
n×5
106658200
n÷2
10665820
n÷3
7110546.6666667
n÷3
5332910
n÷5
4266328
n2
455038865089600
n3
9.7067252560999E+21
n4
2.0706036874203E+29
n5
4.4169372442723E+36
2 √n
4618.6188411689
3 √n
277.33717147261
4 √n
67.960421137371
5 √n
29.228387009695
1 , 2 , 4 , 5 , 8 , 10 , 11 , 20 , 22 , 40 , 44 , 55 , 88 , 110 , 220 , 440 , 48481 , 96962 , 193924 , 242405 , 387848 , 484810 , 533291 , 969620 , 1066582 , 1939240 , 2133164 , 2666455 , 4266328 , 5332910 , 10665820 , 21331640
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
-21331639
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 21331640 can be divided by 32 positive divisors.
The sum of these divisors (counting 21331640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001010111111010111000
3
Ternary
1111010202111202
4
Quaternary
1101113322320
5
Quinary
20430103030
6
Senary
2041113332
8
Octal
121277270
10
Decimal
21331640
12
Duodecimal
7188848
16
Hexadecimal
1457eb8
20
Vigesimal
6d6920
36
Base36
cp7lk
md5
989b37701bfa3a32d248b999c94679b9
sha1
da90b70df2ad202f773f992b4f6d96247ffc35c7
sha256
65ecaec0b9e12e27320c6270892178773df95975c6ee105b93b922902ae113c2
sha512
4862b77b95da57e72e0c9d33c4594cac18f83f117fc57004d84fb85e508ad74ac4e1a05409aed826dc70efc19294fe669a0e98df96b9c0d439b589e859a3b690
ripemd-160
ba7cf9f4151164140e3c1da398347eb57d7a8fd8
Diameter
42663280
Circumference
134030647.02604
Area
1.4295467556633E+15
Volume
4.0659435673304E+22
Surface area
5.7181870226533E+15
Circumference
134030647.02604
Perimeter
85326560
Area
455038865089600
Diagonal
30167494.59566
Surface area
2730233190537600
Volume
9.7067252560999E+21
Space diagonal
36947484.288769
Perimeter
63994920
Area
1.9703760843842E+14
Altitude
18473742.144384
Surface area
1.9703760843842E+14
Volume
1.1439485419505E+21
Height
10055831.531887