21043910 is an even 8-digits composite number following 21043909
and preceding 21043911 . In scientific notation, it is written as 2.1043910 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 8417560 positive integers (up to 21043910) that are relatively prime to 21043910.
21043910 has 8 divisors, whose sum is 37879056
The reverse of 21043910 is 01934012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million forty-three thousand nine hundred ten
Scientific notation
2.1043910 × 10^7
Engineering notation
2.1043910 × 10^6
Prime Factorization
2 × 5 × 2104391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21043910
Product of the distinct prime numbers
The prime factorization of 21043910 is 2 × 5 × 2104391.
Since it has a total of 3 prime factors.
8 , 10 , 81 , 1 , 390 , 489 , 4774 , 8563 , 62197 , 9368 , 854882 , 654959 , 4809430 , 1895556 , 97268695 , 31696010 , 43082005 , 793265045 , 314802587 , 6382231622
n×2
42087820
n×3
63131730
n×4
84175640
n×5
105219550
n÷2
10521955
n÷3
7014636.6666667
n÷3
5260977.5
n÷5
4208782
n2
442846148088100
n3
9.3192144842126E+21
n4
1.9611271087647E+29
n5
4.1269782375404E+36
2 √n
4587.3641669264
3 √n
276.08457640452
4 √n
67.730083175251
5 √n
29.149109195953
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21043909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21043910 can be divided by 8 positive divisors.
The sum of these divisors (counting 21043910) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010001101011000110
3
Ternary
1110121010211002
4
Quaternary
1100101223012
5
Quinary
20341401120
6
Senary
2031013302
8
Octal
120215306
10
Decimal
21043910
12
Duodecimal
706a232
16
Hexadecimal
1411ac6
20
Vigesimal
6ba9fa
36
Base36
cj1l2
md5
4ae22078f11e185442aaa493cad52555
sha1
eb5b4b250dc7ccc424bb19cef88aef260005014d
sha256
1768e4ba7e9240d41572410bfdc0bf5f1f9ec13857ab8928da06cac4473d9d68
sha512
04b721031d52f52add77484ab8587b64fca7f229d4229e93c664cf41c340ab850b2481f7c7083ce77bd49ec4666c1a8811ab3c0baad5812af2fd6a8a2499b78e
ripemd-160
43ea8a193540349fa7ac7ca6743a8ea999563570
Diameter
42087820
Circumference
132222786.11761
Area
1.3912422055041E+15
Volume
3.9036234347773E+22
Surface area
5.5649688220164E+15
Circumference
132222786.11761
Perimeter
84175640
Area
442846148088100
Diagonal
29760582.927359
Surface area
2657076888528600
Volume
9.3192144842126E+21
Space diagonal
36449121.309907
Perimeter
63131730
Area
1.9175800710619E+14
Altitude
18224560.654953
Surface area
1.9175800710619E+14
Volume
1.0982799595198E+21
Height
9920194.3091196