21504920 is an even 8-digits composite number following 21504919
and preceding 21504921 . In scientific notation, it is written as 2.1504920 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors.
There are 8515200 positive integers (up to 21504920) that are relatively prime to 21504920.
21504920 has 32 divisors, whose sum is 48874320
The reverse of 21504920 is 02940512
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred four thousand nine hundred twenty
Scientific notation
2.1504920 × 10^7
Engineering notation
2.1504920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 101 × 5323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5376230
Product of the distinct prime numbers
The prime factorization of 21504920 is 2 × 2 × 2 × 5 × 101 × 5323.
Since it has a total of 6 prime factors.
9 , 7 , 22 , 12 , 560 , 599 , 421 , 274 , 28641 , 14793 , 856667 , 21320 , 4321504 , 2895287 , 28847386 , 66767125 , 31557914 , 28304331 , 7752661412 , 4169091275
n×2
43009840
n×3
64514760
n×4
86019680
n×5
107524600
n÷2
10752460
n÷3
7168306.6666667
n÷3
5376230
n÷5
4300984
n2
462461584206400
n3
9.9451993714319E+21
n4
2.1387071686669E+29
n5
4.5992726565609E+36
2 √n
4637.3397546438
3 √n
278.08609723936
4 √n
68.098015790798
5 √n
29.275718749355
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 101 , 202 , 404 , 505 , 808 , 1010 , 2020 , 4040 , 5323 , 10646 , 21292 , 26615 , 42584 , 53230 , 106460 , 212920 , 537623 , 1075246 , 2150492 , 2688115 , 4300984 , 5376230 , 10752460 , 21504920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21504919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21504920 can be divided by 32 positive divisors.
The sum of these divisors (counting 21504920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000010001110011000
3
Ternary
1111110120012112
4
Quaternary
1102002032120
5
Quinary
21001124140
6
Senary
2044531452
8
Octal
122021630
10
Decimal
21504920
12
Duodecimal
7250b88
16
Hexadecimal
1482398
20
Vigesimal
6e8260
36
Base36
csxaw
md5
f822667dadbab7ebcaede6c12e4106fb
sha1
ac4ce376e041964aff234f67bbd3bff70cdb1501
sha256
63c8259155acc396ac8b96595436b538aac661853d72d3b4bf23e73e23bcf66a
sha512
6b281bfb169443af98ffb5ea1397753916d096fefa9fde853229645285b0a7ff82db50d06558aa1c425c797fba3cb16af43962784fb9dba37f2ce3a5d595024f
ripemd-160
ef7d0662c2f2265e3f88b1b96ba64d30d77a0472
Diameter
43009840
Circumference
135119397.37607
Area
1.4528659155103E+15
Volume
4.1658353711702E+22
Surface area
5.8114636620413E+15
Circumference
135119397.37607
Perimeter
86019680
Area
462461584206400
Diagonal
30412549.521748
Surface area
2774769505238400
Volume
9.9451993714319E+21
Space diagonal
37247614.052704
Perimeter
64514760
Area
2.0025174009857E+14
Altitude
18623807.026352
Surface area
2.0025174009857E+14
Volume
1.1720529859653E+21
Height
10137516.507249