21004780 is an even 8-digits composite number following 21004779
and preceding 21004781 . In scientific notation, it is written as 2.1004780 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 8401904 positive integers (up to 21004780) that are relatively prime to 21004780.
21004780 has 12 divisors, whose sum is 44110080
The reverse of 21004780 is 08740012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million four thousand seven hundred eighty
Scientific notation
2.1004780 × 10^7
Engineering notation
2.1004780 × 10^6
Prime Factorization
2 × 2 × 5 × 1050239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10502390
Product of the distinct prime numbers
The prime factorization of 21004780 is 2 × 2 × 5 × 1050239.
Since it has a total of 4 prime factors.
2 , 1 , 69 , 37 , 772 , 485 , 9858 , 3178 , 34511 , 22045 , 359198 , 810926 , 3367933 , 4921332 , 67196012 , 54340150 , 29918247 , 377267314 , 3594260061 , 8261729846
n×2
42009560
n×3
63014340
n×4
84019120
n×5
105023900
n÷2
10502390
n÷3
7001593.3333333
n÷3
5251195
n÷5
4200956
n2
441200782848400
n3
9.2673253795584E+21
n4
1.9465813078604E+29
n5
4.088751212372E+36
2 √n
4583.0972060387
3 √n
275.91334883986
4 √n
67.698576100526
5 √n
29.138260889271
1 , 2 , 4 , 5 , 10 , 20 , 1050239 , 2100478 , 4200956 , 5251195 , 10502390 , 21004780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21004779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21004780 can be divided by 12 positive divisors.
The sum of these divisors (counting 21004780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001000000111101100
3
Ternary
1110112011010211
4
Quaternary
1100020013230
5
Quinary
20334123110
6
Senary
2030112204
8
Octal
120100754
10
Decimal
21004780
12
Duodecimal
704b664
16
Hexadecimal
14081ec
20
Vigesimal
6b5bj0
36
Base36
ci7e4
md5
2e71ba3f5de6b586d26c4de06aba11bf
sha1
43130a2f333c0d67c2923b49a24cdd47d5f617f9
sha256
08977d95a97d45d10e22f475d9afd0d5572d8e86d65663610114e809689e85ff
sha512
0be8c638ae86ec54751cc46644887bba7ea9c6c6f2efdc77dca78f8ca8307e4b7e2ae8d196b0aa318574d4128ec8736205b8dd9d2e6684624e4b97ffe38af7da
ripemd-160
1d678c3f510d74476c973b8f290a0ba65a9170a5
Diameter
42009560
Circumference
131976925.07654
Area
1.3860731381546E+15
Volume
3.8818881774463E+22
Surface area
5.5442925526184E+15
Circumference
131976925.07654
Perimeter
84019120
Area
441200782848400
Diagonal
29705244.750663
Surface area
2647204697090400
Volume
9.2673253795584E+21
Space diagonal
36381346.161807
Perimeter
63014340
Area
1.9104554305815E+14
Altitude
18190673.080903
Surface area
1.9104554305815E+14
Volume
1.0921647698913E+21
Height
9901748.250221