21504805 (number)

21504805 is an odd 8-digits composite number following 21504804 and preceding 21504806. In scientific notation, it is written as 2.1504805 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 14236992 positive integers (up to 21504805) that are relatively prime to 21504805.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred four thousand eight hundred five

Notation

Scientific notation 2.1504805 × 10^7
Engineering notation 2.1504805 × 10^6

Prime Factorization of 21504805

Prime Factorization 5 × 7 × 29 × 21187

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21504805
Product of the distinct prime numbers

The prime factorization of 21504805 is 5 × 7 × 29 × 21187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 94, 30, 807, 968, 7977, 8377, 62093, 12515, 746294, 788764, 6409210, 6041903, 1198627, 2110332, 383073860, 28938907, 7045662903, 2146110466

Basic calculations (n = 21504805)

Multiplication

n×y
n×2 43009610
n×3 64514415
n×4 86019220
n×5 107524025

Division

n÷y
n÷2 10752402.5
n÷3 7168268.3333333
n÷3 5376201.25
n÷5 4300961

Exponentiation

ny
n2 462456638088025
n3 9.9450398230386E+21
n4 2.1386614211168E+29
n5 4.5991496822139E+36

Nth Root

y√n
2√n 4637.327355277
3√n 278.08560153949
4√n 68.097924750149
5√n 29.275687438242

Divisors of 21504805

1, 5, 7, 29, 35, 145, 203, 1015, 21187, 105935, 148309, 614423, 741545, 3072115, 4300961, 21504805

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 -21504804
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 21504805 can be divided by 16 positive divisors. The sum of these divisors (counting 21504805) is 1, the average is 0.0625.

Base conversion 21504805

Base System Value
2 Binary 1010010000010001100100101
3 Ternary 1111110120001021
4 Quaternary 1102002030211
5 Quinary 21001123210
6 Senary 2044531141
8 Octal 122021445
10 Decimal 21504805
12 Duodecimal 7250ab1
16 Hexadecimal 1482325
20 Vigesimal 6e8205
36 Base36 csx7p

Cryptographic Hash Functions

md5 d6a85d9bcc374df8a82b3c81a46acf74
sha1 97b59a31d106a99c4b5f2bd84db7e21cf6899ee3
sha256 808579f30234a45a0829be68bc1fe02f23febc347b8678ca2aee62ae4d39dcc6
sha512 a40d8a7b0213e5687389ec20bc9b04330439ae67ce549f194edab80c1ebaf2c0a7d6a254ab19cf1b268a5d7a2fc6ba29bb3b98b538fd78b0445fb1d282c568f0
ripemd-160 eea49455713d721ceac0829ef8e599975ce2258f

21504805 as geometric shapes

Circle

Radius = n
Diameter 43009610
Circumference 135118674.80976
Area 1.4528503768212E+15

Sphere

Radius = n
Volume 4.1657685396954E+22
Surface area 5.8114015072847E+15
Circumference 135118674.80976

Square

Length = n
Perimeter 86019220
Area 462456638088025
Diagonal 30412386.887189

Cube

Length = n
Surface area 2774739828528150
Volume 9.9450398230386E+21
Space diagonal 37247414.866861

Equilateral Triangle

Length = n
Perimeter 64514415
Area 2.0024959836649E+14
Altitude 18623707.433431

Triangular Pyramid

Length = n
Surface area 2.0024959836649E+14
Volume 1.1720341830068E+21
Height 10137462.29573