21458910 is an even 8-digits composite number following 21458909
and preceding 21458911 . In scientific notation, it is written as 2.1458910 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5202080 positive integers (up to 21458910) that are relatively prime to 21458910.
21458910 has 16 divisors, whose sum is 37456128
The reverse of 21458910 is 01985412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred fifty-eight thousand nine hundred ten
Scientific notation
2.1458910 × 10^7
Engineering notation
2.1458910 × 10^6
Prime Factorization
2 × 15 × 11 × 65027
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21458910
Product of the distinct prime numbers
The prime factorization of 21458910 is 2 × 15 × 11 × 65027.
Since it has a total of 4 prime factors.
4 , 9 , 100 , 70 , 694 , 274 , 1543 , 3022 , 85997 , 31639 , 689345 , 534107 , 1457127 , 3033591 , 44886191 , 61408494 , 11490347 , 98107164 , 5208262664 , 7003415279
n×2
42917820
n×3
64376730
n×4
85835640
n×5
107294550
n÷2
10729455
n÷3
7152970
n÷3
5364727.5
n÷5
4291782
n2
460484818388100
n3
9.8815022741566E+21
n4
2.1204626796592E+29
n5
4.5502817801166E+36
2 √n
4632.3762800533
3 √n
277.8876329341
4 √n
68.061562427359
5 √n
29.263180873844
1 , 2 , 11 , 15 , 22 , 30 , 165 , 330 , 65027 , 130054 , 715297 , 975405 , 1430594 , 1950810 , 10729455 , 21458910
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
-21458909
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 21458910 can be divided by 16 positive divisors.
The sum of these divisors (counting 21458910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110110111111011110
3
Ternary
1111101020002110
4
Quaternary
1101312333132
5
Quinary
20443141120
6
Senary
2043534450
8
Octal
121667736
10
Decimal
21458910
12
Duodecimal
722a426
16
Hexadecimal
1476fde
20
Vigesimal
6e275a
36
Base36
crxsu
md5
66abb4a9df87ee590a4406fd10accc77
sha1
b96aa6abe3ab3c71e90ad4662de3f3626ca9ef66
sha256
0de12c4200c4b46489d2e841338ef02e977f14ba309fac2c1a452131df87244c
sha512
2cfd8faa562c0444e46801648e1a1fd3473351e8504ea529b6302b18ea3c5302e93358db6ae6f3b988c6f5c47f1e6d4585be4bcdcee4b0138fc67666d419d821
ripemd-160
1bf2e7b2dc260033053fbed9f92c9a022394738f
Diameter
42917820
Circumference
134830308.02009
Area
1.4466557225377E+15
Volume
4.1391539934562E+22
Surface area
5.7866228901507E+15
Circumference
134830308.02009
Perimeter
85835640
Area
460484818388100
Diagonal
30347481.555744
Surface area
2762908910328600
Volume
9.8815022741566E+21
Space diagonal
37167922.395048
Perimeter
64376730
Area
1.9939577539058E+14
Altitude
18583961.197524
Surface area
1.9939577539058E+14
Volume
1.1645462110611E+21
Height
10115827.185248