21249966 (number)

21249966 is an even 8-digits composite number following 21249965 and preceding 21249967. In scientific notation, it is written as 2.1249966 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6666624 positive integers (up to 21249966) that are relatively prime to 21249966.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred sixty-six

Notation

Scientific notation 2.1249966 × 10^7
Engineering notation 2.1249966 × 10^6

Prime Factorization of 21249966

Prime Factorization 2 × 3 × 17 × 208333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21249966
Product of the distinct prime numbers

The prime factorization of 21249966 is 2 × 3 × 17 × 208333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 13, 100, 970, 241, 8197, 3656, 7627, 26539, 346174, 332686, 8913741, 5711557, 63001827, 81891575, 104662255, 477344939, 8630688524, 860730319

Basic calculations (n = 21249966)

Multiplication

n×y
n×2 42499932
n×3 63749898
n×4 84999864
n×5 106249830

Division

n÷y
n÷2 10624983
n÷3 7083322
n÷3 5312491.5
n÷5 4249993.2

Exponentiation

ny
n2 451561055001156
n3 9.5956570656987E+21
n4 2.0390738639376E+29
n5 4.3330250280162E+36

Nth Root

y√n
2√n 4609.7685408272
3√n 276.98276511342
4√n 67.895276277715
5√n 29.205970883046

Divisors of 21249966

1, 2, 3, 6, 17, 34, 51, 102, 208333, 416666, 624999, 1249998, 3541661, 7083322, 10624983, 21249966

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 -21249965
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 21249966 can be divided by 16 positive divisors. The sum of these divisors (counting 21249966) is 1, the average is 0.0625.

Base conversion 21249966

Base System Value
2 Binary 1010001000011111110101110
3 Ternary 1110222121110210
4 Quaternary 1101003332232
5 Quinary 20414444331
6 Senary 2035243250
8 Octal 121037656
10 Decimal 21249966
12 Duodecimal 7149526
16 Hexadecimal 1443fae
20 Vigesimal 6cg4i6
36 Base36 cngku

Cryptographic Hash Functions

md5 87b345c2f27d8f5d01c41429642276d0
sha1 3949f5d3af7d9f97dbe60dad23ac84e8cc64b57b
sha256 150ef3c77b8bb2f0ba31656108f6097bf511a53257b3f30ec854b0fb6dbefe05
sha512 9b132f081ac14cfed07c1bb40c6bf4923c8101e12357328d701dfdd550ad9a4ecdb60daf0798eeb0923a502f17de1302d86bafbdd9d62c70abcd073672e070da
ripemd-160 d411f1092bd0214a5d40953cafdf3787b351a18d

21249966 as geometric shapes

Circle

Radius = n
Diameter 42499932
Circumference 133517474.14927
Area 1.4186208930389E+15

Sphere

Radius = n
Volume 4.0194194325288E+22
Surface area 5.6744835721556E+15
Circumference 133517474.14927

Square

Length = n
Perimeter 84999864
Area 451561055001156
Diagonal 30051990.117167

Cube

Length = n
Surface area 2709366330006936
Volume 9.5956570656987E+21
Space diagonal 36806020.771111

Equilateral Triangle

Length = n
Perimeter 63749898
Area 1.9553167249535E+14
Altitude 18403010.385556

Triangular Pyramid

Length = n
Surface area 1.9553167249535E+14
Volume 1.1308590301827E+21
Height 10017330.039056