21249975 (number)

21249975 is an odd 8-digits composite number following 21249974 and preceding 21249976. In scientific notation, it is written as 2.1249975 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 11289600 positive integers (up to 21249975) that are relatively prime to 21249975.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred seventy-five

Notation

Scientific notation 2.1249975 × 10^7
Engineering notation 2.1249975 × 10^6

Prime Factorization of 21249975

Prime Factorization 3 × 5 × 5 × 421 × 673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4249995
Product of the distinct prime numbers

The prime factorization of 21249975 is 3 × 5 × 5 × 421 × 673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 91, 5, 616, 442, 744, 900, 18687, 10647, 230025, 206260, 9317092, 8233624, 13996779, 394804, 430962765, 316059531, 9646082975, 3836648879

Basic calculations (n = 21249975)

Multiplication

n×y
n×2 42499950
n×3 63749925
n×4 84999900
n×5 106249875

Division

n÷y
n÷2 10624987.5
n÷3 7083325
n÷3 5312493.75
n÷5 4249995

Exponentiation

ny
n2 451561437500625
n3 9.5956692578523E+21
n4 2.0390773183763E+29
n5 4.3330342038564E+36

Nth Root

y√n
2√n 4609.7695170149
3√n 276.98280421693
4√n 67.895283466636
5√n 29.205973356967

Divisors of 21249975

1, 3, 5, 15, 25, 75, 421, 673, 1263, 2019, 2105, 3365, 6315, 10095, 10525, 16825, 31575, 50475, 283333, 849999, 1416665, 4249995, 7083325, 21249975

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21249974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21249975 can be divided by 24 positive divisors. The sum of these divisors (counting 21249975) is 1, the average is 0.041666666666667.

Base conversion 21249975

Base System Value
2 Binary 1010001000011111110110111
3 Ternary 1110222121111010
4 Quaternary 1101003332313
5 Quinary 20414444400
6 Senary 2035243303
8 Octal 121037667
10 Decimal 21249975
12 Duodecimal 7149533
16 Hexadecimal 1443fb7
20 Vigesimal 6cg4if
36 Base36 cngl3

Cryptographic Hash Functions

md5 1a3ccfba76aca086019b0d645f4a1f1a
sha1 f9b267add11ea480c43ceb6693fcefe9ed7894d8
sha256 2d088869d922207cbfad55a2dbfb743de10046db70ee5ca8d2f63d0e9536c006
sha512 7cb4f57a08ce5785664b3187ccf129cde8d311aaba4eb52fd6da2a7af088d2161ac70ceaa2570cfae12506e224af4d971a1bbc262db33c197a632491f144c43b
ripemd-160 a096c3ae35b0adec59837e78302568d06def66c9

21249975 as geometric shapes

Circle

Radius = n
Diameter 42499950
Circumference 133517530.69793
Area 1.4186220946964E+15

Sphere

Radius = n
Volume 4.0194245395662E+22
Surface area 5.6744883787856E+15
Circumference 133517530.69793

Square

Length = n
Perimeter 84999900
Area 451561437500625
Diagonal 30052002.845089

Cube

Length = n
Surface area 2709368625003750
Volume 9.5956692578523E+21
Space diagonal 36806036.359568

Equilateral Triangle

Length = n
Perimeter 63749925
Area 1.9553183812248E+14
Altitude 18403018.179784

Triangular Pyramid

Length = n
Surface area 1.9553183812248E+14
Volume 1.1308604670418E+21
Height 10017334.281696