21749917 (number)

21749917 is an odd 8-digits composite number following 21749916 and preceding 21749918. In scientific notation, it is written as 2.1749917 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 18642780 positive integers (up to 21749917) that are relatively prime to 21749917.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-nine thousand nine hundred seventeen

Notation

Scientific notation 2.1749917 × 10^7
Engineering notation 2.1749917 × 10^6

Prime Factorization of 21749917

Prime Factorization 7 × 3107131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21749917
Product of the distinct prime numbers

The prime factorization of 21749917 is 7 × 3107131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21749917)

Multiplication

n×y
n×2 43499834
n×3 65249751
n×4 86999668
n×5 108749585

Division

n÷y
n÷2 10874958.5
n÷3 7249972.3333333
n÷3 5437479.25
n÷5 4349983.4

Exponentiation

ny
n2 473058889506889
n3 1.0288991582887E+22
n4 2.2378471294149E+29
n5 4.8672989323463E+36

Nth Root

y√n
2√n 4663.6806280019
3√n 279.13815350973
4√n 68.291146043992
5√n 29.342122155768

Divisors of 21749917

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 -21749916
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 21749917 can be divided by 4 positive divisors. The sum of these divisors (counting 21749917) is 1, the average is 0.25.

Base conversion 21749917

Base System Value
2 Binary 1010010111110000010011101
3 Ternary 1111221000021111
4 Quaternary 1102332002131
5 Quinary 21031444132
6 Senary 2054102021
8 Octal 122760235
10 Decimal 21749917
12 Duodecimal 734a911
16 Hexadecimal 14be09d
20 Vigesimal 6fiefh
36 Base36 cy6cd

Cryptographic Hash Functions

md5 c1a9e3b4c192e0d27a65148e3b1ce521
sha1 2f0d905561fc98d0509268c4d5ac49188241b02d
sha256 1ecc7de4f0a8f4c9aa2c533c24c117889a4d8abb0bd63d4043787cd40d308d6e
sha512 20dc785cbd83dacce7e9de1c013f89e74c003c57f4206ce477997c6a79026af466cb8a48cd067d06bd130143987081e00562320957554e873bd0a42f40f14223
ripemd-160 80fad5b550ddeff09e219f8faf912e966007c26b

21749917 as geometric shapes

Circle

Radius = n
Diameter 43499834
Circumference 136658758.92678
Area 1.4861583319902E+15

Sphere

Radius = n
Volume 4.3098427159527E+22
Surface area 5.9446333279608E+15
Circumference 136658758.92678

Square

Length = n
Perimeter 86999668
Area 473058889506889
Diagonal 30759027.601889

Cube

Length = n
Surface area 2838353337041334
Volume 1.0288991582887E+22
Space diagonal 37671961.304406

Equilateral Triangle

Length = n
Perimeter 65249751
Area 2.0484050789951E+14
Altitude 18835980.652203

Triangular Pyramid

Length = n
Surface area 2.0484050789951E+14
Volume 1.2125692866385E+21
Height 10253009.20063