21749938 (number)

21749938 is an even 8-digits composite number following 21749937 and preceding 21749939. In scientific notation, it is written as 2.1749938 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9321396 positive integers (up to 21749938) that are relatively prime to 21749938.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.1749938 × 10^7
Engineering notation 2.1749938 × 10^6

Prime Factorization of 21749938

Prime Factorization 2 × 7 × 1553567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21749938
Product of the distinct prime numbers

The prime factorization of 21749938 is 2 × 7 × 1553567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21749938)

Multiplication

n×y
n×2 43499876
n×3 65249814
n×4 86999752
n×5 108749690

Division

n÷y
n÷2 10874969
n÷3 7249979.3333333
n÷3 5437484.5
n÷5 4349987.6

Exponentiation

ny
n2 473059803003844
n3 1.0289021385626E+22
n4 2.2378557721804E+29
n5 4.8673224297865E+36

Nth Root

y√n
2√n 4663.682879442
3√n 279.13824334761
4√n 68.291162528119
5√n 29.342127821853

Divisors of 21749938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21749937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21749938 can be divided by 8 positive divisors. The sum of these divisors (counting 21749938) is 1, the average is 0.125.

Base conversion 21749938

Base System Value
2 Binary 1010010111110000010110010
3 Ternary 1111221000022021
4 Quaternary 1102332002302
5 Quinary 21031444223
6 Senary 2054102054
8 Octal 122760262
10 Decimal 21749938
12 Duodecimal 734a92a
16 Hexadecimal 14be0b2
20 Vigesimal 6fiegi
36 Base36 cy6cy

Cryptographic Hash Functions

md5 69e17ec9c051d36817fe564ef790e052
sha1 d5bc37eacf85deb27308eccbb867b2e7773a597c
sha256 3978c2068dfe7bb5f93f5d72797eec325c1086f7bbbf7875ac6019f38f740d63
sha512 6e3f5c21306280b6bae1744eab91ac7bf266ec08b895967d537fc1ca9c58633eee8d0eed73e3c9723702cb56c708f9737c756e2c2426b047b495c25cecdcb88e
ripemd-160 431dc67d3ae42a9387fc337f7ea621cd777889a3

21749938 as geometric shapes

Circle

Radius = n
Diameter 43499876
Circumference 136658890.87367
Area 1.4861612018255E+15

Sphere

Radius = n
Volume 4.3098551996947E+22
Surface area 5.944644807302E+15
Circumference 136658890.87367

Square

Length = n
Perimeter 86999752
Area 473059803003844
Diagonal 30759057.300374

Cube

Length = n
Surface area 2838358818023064
Volume 1.0289021385626E+22
Space diagonal 37671997.677473

Equilateral Triangle

Length = n
Perimeter 65249814
Area 2.048409034553E+14
Altitude 18835998.838737

Triangular Pyramid

Length = n
Surface area 2.048409034553E+14
Volume 1.2125727989249E+21
Height 10253019.100125