21482881 is an odd 8-digits composite number following 21482880
and preceding 21482882 . In scientific notation, it is written as 2.1482881 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 17579520 positive integers (up to 21482881) that are relatively prime to 21482881.
21482881 has 16 divisors, whose sum is 25683840
The reverse of 21482881 is 18828412
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred eighty-two thousand eight hundred eighty-one
Scientific notation
2.1482881 × 10^7
Engineering notation
2.1482881 × 10^6
Prime Factorization
7 × 29 × 97 × 1091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21482881
Product of the distinct prime numbers
The prime factorization of 21482881 is 7 × 29 × 97 × 1091.
Since it has a total of 4 prime factors.
2 , 8 , 38 , 12 , 539 , 940 , 913 , 747 , 68158 , 36837 , 568294 , 277685 , 9000911 , 8811755 , 1004596 , 50539630 , 104618492 , 886481482 , 9255671449 , 6928879630
n×2
42965762
n×3
64448643
n×4
85931524
n×5
107414405
n÷2
10741440.5
n÷3
7160960.3333333
n÷3
5370720.25
n÷5
4296576.2
n2
461514176060161
n3
9.9146541241135E+21
n4
2.1299533470449E+29
n5
4.5757534290117E+36
2 √n
4634.9628908978
3 √n
277.99106729057
4 √n
68.080561769846
5 √n
29.269715730317
1 , 7 , 29 , 97 , 203 , 679 , 1091 , 2813 , 7637 , 19691 , 31639 , 105827 , 221473 , 740789 , 3068983 , 21482881
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21482880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21482881 can be divided by 16 positive divisors.
The sum of these divisors (counting 21482881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111100110110000001
3
Ternary
1111102102222021
4
Quaternary
1101330312001
5
Quinary
20444423011
6
Senary
2044241441
8
Octal
121746601
10
Decimal
21482881
12
Duodecimal
7240281
16
Hexadecimal
147cd81
20
Vigesimal
6e5741
36
Base36
csgap
md5
4cff6ff1b19ba4d8ff85b6cfcb9ceff1
sha1
5358d9c2e4a9c6f9107595165aec9f8aae5aa7c9
sha256
2f9cfa62c48e09c90e771daf85c726bf08ad9f2ffd1e6f0ea240741c85b49769
sha512
28a72a2b0f1bacc61bd557f44c20e331cd0d98b3985b90ce99d95b538b0c33c24c8a47073bdc97fbb3e8c652f07f2c855561aef1e4a5ea43cf8de8e97f074fd7
ripemd-160
a95b24699e5538d4520428f526eef2e39af5b0e3
Diameter
42965762
Circumference
134980922.25509
Area
1.4498895450381E+15
Volume
4.1530406078932E+22
Surface area
5.7995581801526E+15
Circumference
134980922.25509
Perimeter
85931524
Area
461514176060161
Diagonal
30381381.669047
Surface area
2769085056360966
Volume
9.9146541241135E+21
Space diagonal
37209441.384956
Perimeter
64448643
Area
1.9984150033737E+14
Altitude
18604720.692478
Surface area
1.9984150033737E+14
Volume
1.1684531940466E+21
Height
10127127.223016