21491043 (number)

21491043 is an odd 8-digits composite number following 21491042 and preceding 21491044. In scientific notation, it is written as 2.1491043 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11238912 positive integers (up to 21491043) that are relatively prime to 21491043.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand forty-three

Notation

Scientific notation 2.1491043 × 10^7
Engineering notation 2.1491043 × 10^6

Prime Factorization of 21491043

Prime Factorization 3 × 7 × 629 × 1627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491043
Product of the distinct prime numbers

The prime factorization of 21491043 is 3 × 7 × 629 × 1627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 29, 97, 751, 539, 3528, 9819, 85092, 49821, 630883, 663288, 77993, 540667, 71955536, 88714801, 79001766, 196525927, 3573475656, 1878460354

Basic calculations (n = 21491043)

Multiplication

n×y
n×2 42982086
n×3 64473129
n×4 85964172
n×5 107455215

Division

n÷y
n÷2 10745521.5
n÷3 7163681
n÷3 5372760.75
n÷5 4298208.6

Exponentiation

ny
n2 461864929227849
n3 9.9259590542277E+21
n4 2.1331921285065E+29
n5 4.5844523760994E+36

Nth Root

y√n
2√n 4635.8432889821
3√n 278.02626858724
4√n 68.087027317853
5√n 29.271939483471

Divisors of 21491043

1, 3, 7, 21, 629, 1627, 1887, 4403, 4881, 11389, 13209, 34167, 1023383, 3070149, 7163681, 21491043

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 -21491042
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 21491043 can be divided by 16 positive divisors. The sum of these divisors (counting 21491043) is 1, the average is 0.0625.

Base conversion 21491043

Base System Value
2 Binary 1010001111110110101100011
3 Ternary 1111102212011120
4 Quaternary 1101332311203
5 Quinary 21000203133
6 Senary 2044343323
8 Octal 121766543
10 Decimal 21491043
12 Duodecimal 7244b43
16 Hexadecimal 147ed63
20 Vigesimal 6e67c3
36 Base36 csmlf

Cryptographic Hash Functions

md5 b36231dd0b66efad77339c361cc023f2
sha1 b59c0dcc3ee843c95ab9b9d5365530d58c4da62d
sha256 d04a3b0b379f3c8bb4ccbf59e7112ea3bf057d8bf700653fabc645467fa270cf
sha512 0b81e00da43105ca79226e9cf6bb1152ee1abab2c9df216f69215d9f028d836b42dddac4810a193ab3462194d5f60481d5a21b3b84098226a614de858776632a
ripemd-160 e023c5e8b1fd68557c0f7e569c37a13b5cadb4d6

21491043 as geometric shapes

Circle

Radius = n
Diameter 42982086
Circumference 135032205.61356
Area 1.450991468613E+15

Sphere

Radius = n
Volume 4.157776005946E+22
Surface area 5.8039658744519E+15
Circumference 135032205.61356

Square

Length = n
Perimeter 85964172
Area 461864929227849
Diagonal 30392924.480143

Cube

Length = n
Surface area 2771189575367094
Volume 9.9259590542277E+21
Space diagonal 37223578.383647

Equilateral Triangle

Length = n
Perimeter 64473129
Area 1.9999338091421E+14
Altitude 18611789.191824

Triangular Pyramid

Length = n
Surface area 1.9999338091421E+14
Volume 1.1697854928374E+21
Height 10130974.826714