21931492 is an even 8-digits composite number following 21931491
and preceding 21931493 . In scientific notation, it is written as 2.1931492 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 36 positive divisors.
There are 9856000 positive integers (up to 21931492) that are relatively prime to 21931492.
21931492 has 36 divisors, whose sum is 42665868
The reverse of 21931492 is 29413912
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million nine hundred thirty-one thousand four hundred ninety-two
Scientific notation
2.1931492 × 10^7
Engineering notation
2.1931492 × 10^6
Prime Factorization
2 × 2 × 11 × 113 × 11 × 401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
996886
Product of the distinct prime numbers
The prime factorization of 21931492 is 2 × 2 × 11 × 113 × 11 × 401.
Since it has a total of 6 prime factors.
2 , 1 , 20 , 96 , 977 , 40 , 3994 , 4169 , 78047 , 36607 , 54376 , 509180 , 3278121 , 6000737 , 77014093 , 68334446 , 24098573 , 30576361 , 7769429457 , 9800640090
n×2
43862984
n×3
65794476
n×4
87725968
n×5
109657460
n÷2
10965746
n÷3
7310497.3333333
n÷3
5482873
n÷5
4386298.4
n2
480990341346064
n3
1.0548835823308E+22
n4
2.313517084682E+29
n5
5.0738881434567E+36
2 √n
4683.1070882481
3 √n
279.91277895559
4 √n
68.433230876878
5 √n
29.390950785296
1 , 2 , 4 , 11 , 22 , 44 , 113 , 121 , 226 , 242 , 401 , 452 , 484 , 802 , 1243 , 1604 , 2486 , 4411 , 4972 , 8822 , 13673 , 17644 , 27346 , 45313 , 48521 , 54692 , 90626 , 97042 , 181252 , 194084 , 498443 , 996886 , 1993772 , 5482873 , 10965746 , 21931492
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931492 can be divided by 36 positive divisors.
The sum of these divisors (counting 21931492) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010011101010010111100100
3
Ternary
1112021020100111
4
Quaternary
1103222113210
5
Quinary
21103301432
6
Senary
2102022404
8
Octal
123522744
10
Decimal
21931492
12
Duodecimal
7417a04
16
Hexadecimal
14ea5e4
20
Vigesimal
6h18ec
36
Base36
d22g4
md5
1a650940ba5c62a7022463c0c05d75ab
sha1
8f2e7d51ee1a9e3b9cb116b0339660ff13f6bd79
sha256
9d64b67905c4af8da61b2cb15441c492b5d09d603aa880d6257f7680ae29b42b
sha512
d6baf209c0da6f5630fcc51f408e618a5a95ebc5918d04b088180d7b52553ec2bf3ae928fdcc80561295e9196ce95df5e7a81b28a713bc5e079cc0c7700e3e69
ripemd-160
38c4c72e302f1bd3f618b93411660f8868cbb95a
Diameter
43862984
Circumference
137799628.29893
Area
1.5110757228204E+15
Volume
4.4186860168574E+22
Surface area
6.0443028912818E+15
Circumference
137799628.29893
Perimeter
87725968
Area
480990341346064
Diagonal
31015813.429477
Surface area
2885942048076384
Volume
1.0548835823308E+22
Space diagonal
37986458.42979
Perimeter
65794476
Area
2.0827492729032E+14
Altitude
18993229.214895
Surface area
2.0827492729032E+14
Volume
1.2431922240475E+21
Height
10338604.476492