21931340 is an even 8-digits composite number following 21931339
and preceding 21931341 . In scientific notation, it is written as 2.1931340 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 8729280 positive integers (up to 21931340) that are relatively prime to 21931340.
21931340 has 24 divisors, whose sum is 46282992
The reverse of 21931340 is 04313912
Previous prime number is 5197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million nine hundred thirty-one thousand three hundred forty
Scientific notation
2.1931340 × 10^7
Engineering notation
2.1931340 × 10^6
Prime Factorization
2 × 2 × 5 × 5197 × 211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10965670
Product of the distinct prime numbers
The prime factorization of 21931340 is 2 × 2 × 5 × 5197 × 211.
Since it has a total of 5 prime factors.
4 , 6 , 44 , 77 , 220 , 323 , 8013 , 355 , 16613 , 27199 , 343639 , 900144 , 4551057 , 2569845 , 18762635 , 5035056 , 184464413 , 632666339 , 3342278623 , 7008067477
n×2
43862680
n×3
65794020
n×4
87725360
n×5
109656700
n÷2
10965670
n÷3
7310446.6666667
n÷3
5482835
n÷5
4386268
n2
480983674195600
n3
1.0548616493233E+22
n4
2.313452948427E+29
n5
5.0737123185955E+36
2 √n
4683.090859678
3 √n
279.91213229278
4 √n
68.433112304483
5 √n
29.39091004537
1 , 2 , 4 , 5 , 10 , 20 , 211 , 422 , 844 , 1055 , 2110 , 4220 , 5197 , 10394 , 20788 , 25985 , 51970 , 103940 , 1096567 , 2193134 , 4386268 , 5482835 , 10965670 , 21931340
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931339
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931340 can be divided by 24 positive divisors.
The sum of these divisors (counting 21931340) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011101010010101001100
3
Ternary
1112021020010212
4
Quaternary
1103222111030
5
Quinary
21103300330
6
Senary
2102021552
8
Octal
123522514
10
Decimal
21931340
12
Duodecimal
74178b8
16
Hexadecimal
14ea54c
20
Vigesimal
6h1870
36
Base36
d22bw
md5
ebb17415a11ca6f1a810f66aa23f6c16
sha1
ecc940d5b9aa6cd73e5714841f4cf77331238d2a
sha256
3edf0294dcacdf98077ee166dd8c362f0290b5e59e626f0732a08c03cae829f9
sha512
1594f7a7db8be6502b60c701743ddc7596053a7e4b3442c096666532cc8e570ae3c35b1087fd5001aaeee4ddb65a89f03570b05577c8151a49ca8f272a8486e4
ripemd-160
790d712fc38d4c53477862c1cbc8ad9f7486d73a
Diameter
43862680
Circumference
137798673.25476
Area
1.5110547773495E+15
Volume
4.4185941440902E+22
Surface area
6.0442191093981E+15
Circumference
137798673.25476
Perimeter
87725360
Area
480983674195600
Diagonal
31015598.469016
Surface area
2885902045173600
Volume
1.0548616493233E+22
Space diagonal
37986195.158068
Perimeter
65794020
Area
2.0827204032948E+14
Altitude
18993097.579034
Surface area
2.0827204032948E+14
Volume
1.2431663757502E+21
Height
10338532.823005