21505004 is an even 8-digits composite number following 21505003
and preceding 21505005 . In scientific notation, it is written as 2.1505004 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 6 positive divisors.
There are 10752500 positive integers (up to 21505004) that are relatively prime to 21505004.
21505004 has 6 divisors, whose sum is 37633764
The reverse of 21505004 is 40050512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million five hundred five thousand four
Scientific notation
2.1505004 × 10^7
Engineering notation
2.1505004 × 10^6
Prime Factorization
2 × 2 × 5376251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10752502
Product of the distinct prime numbers
The prime factorization of 21505004 is 2 × 2 × 5376251.
Since it has a total of 3 prime factors.
1 , 3 , 80 , 86 , 93 , 244 , 5179 , 4225 , 17295 , 29340 , 687944 , 24598 , 7025281 , 4237720 , 79383906 , 98015985 , 721771494 , 781036224 , 9380713374 , 1180256963
n×2
43010008
n×3
64515012
n×4
86020016
n×5
107525020
n÷2
10752502
n÷3
7168334.6666667
n÷3
5376251
n÷5
4301000.8
n2
462465197040016
n3
9.9453159122063E+21
n4
2.1387405847326E+29
n5
4.5993624829637E+36
2 √n
4637.3488115517
3 √n
278.08645931467
4 √n
68.098082289824
5 √n
29.275741619996
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21505003
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21505004 can be divided by 6 positive divisors.
The sum of these divisors (counting 21505004) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010000010001111101100
3
Ternary
1111110120022122
4
Quaternary
1102002033230
5
Quinary
21001130004
6
Senary
2044532112
8
Octal
122021754
10
Decimal
21505004
12
Duodecimal
7251038
16
Hexadecimal
14823ec
20
Vigesimal
6e82a4
36
Base36
csxd8
md5
c1750e437254e72cc6bb9f8122af7e57
sha1
65ecaca563012a33a54bcd6a4804207b0c97eb6c
sha256
123d343f70a66a3ed1aaf0601d16124cab4b4a0f50276901d97531ab61be12ba
sha512
0ca84f82c9949db6bec5f6fd2c1dfbe3b777295e60236ed2726cb9ed850b63136e1c9b4d78ef5b43531644b27b699bbc5c266999bb0b23f37ed5f5238fc199d8
ripemd-160
0bfc5fd49ddf2956ad200e21db912ad38452fcd7
Diameter
43010008
Circumference
135119925.16364
Area
1.4528772655619E+15
Volume
4.1658841876556E+22
Surface area
5.8115090622475E+15
Circumference
135119925.16364
Perimeter
86020016
Area
462465197040016
Diagonal
30412668.315688
Surface area
2774791182240096
Volume
9.9453159122063E+21
Space diagonal
37247759.544972
Perimeter
64515012
Area
2.0025330450141E+14
Altitude
18623879.772486
Surface area
2.0025330450141E+14
Volume
1.1720667204273E+21
Height
10137556.105229