21045903 (number)

21045903 is an odd 8-digits composite number following 21045902 and preceding 21045904. In scientific notation, it is written as 2.1045903 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14030600 positive integers (up to 21045903) that are relatively prime to 21045903.

Interesting facts

Basic properties

Name

Name twenty-one million forty-five thousand nine hundred three

Notation

Scientific notation 2.1045903 × 10^7
Engineering notation 2.1045903 × 10^6

Prime Factorization of 21045903

Prime Factorization 3 × 7015301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21045903
Product of the distinct prime numbers

The prime factorization of 21045903 is 3 × 7015301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 86, 94, 375, 394, 9489, 8133, 87011, 56623, 407552, 559296, 60782, 3195705, 22112671, 65130872, 572500045, 810048700, 483654929, 5508124430

Basic calculations (n = 21045903)

Multiplication

n×y
n×2 42091806
n×3 63137709
n×4 84183612
n×5 105229515

Division

n÷y
n÷2 10522951.5
n÷3 7015301
n÷3 5261475.75
n÷5 4209180.6

Exponentiation

ny
n2 442930033085409
n3 9.3218625121023E+21
n4 1.9618701420904E+29
n5 4.1289328709031E+36

Nth Root

y√n
2√n 4587.5813889238
3√n 276.09329181896
4√n 67.731686742054
5√n 29.149661298428

Divisors of 21045903

1, 3, 7015301, 21045903

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21045902
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21045903 can be divided by 4 positive divisors. The sum of these divisors (counting 21045903) is 1, the average is 0.25.

Base conversion 21045903

Base System Value
2 Binary 1010000010010001010001111
3 Ternary 1110121020112220
4 Quaternary 1100102022033
5 Quinary 20341432103
6 Senary 2031030423
8 Octal 120221217
10 Decimal 21045903
12 Duodecimal 706b413
16 Hexadecimal 141228f
20 Vigesimal 6baef3
36 Base36 cj34f

Cryptographic Hash Functions

md5 81b984c7a1b283530b773a4f4ecca00e
sha1 e3b3331b6d3e0c33d84e8dd6e3e24037a1f5e4ba
sha256 6153e959f09c6f1b2bf709b9e56a3eb5ebe6b58fef01b21f533b88ed840d22a6
sha512 edab53301d3227f69bd5bbbcd125e6aa2470636d0e38e71bb90bce7998b5e24761876037e701f4e38815a6acaa3d96d1230beeba5980b61ac4d11cd39983a4d0
ripemd-160 1984cedc8e451cd43f0adbf4e7e26197fd5e26ee

21045903 as geometric shapes

Circle

Radius = n
Diameter 42091806
Circumference 132235308.50593
Area 1.3915057379954E+15

Sphere

Radius = n
Volume 3.904732638106E+22
Surface area 5.5660229519816E+15
Circumference 132235308.50593

Square

Length = n
Perimeter 84183612
Area 442930033085409
Diagonal 29763401.454989

Cube

Length = n
Surface area 2657580198512454
Volume 9.3218625121023E+21
Space diagonal 36452573.287166

Equilateral Triangle

Length = n
Perimeter 63137709
Area 1.9179433037552E+14
Altitude 18226286.643583

Triangular Pyramid

Length = n
Surface area 1.9179433037552E+14
Volume 1.0985920325994E+21
Height 9921133.8183295