21491753 (number)

21491753 is an odd 8-digits composite number following 21491752 and preceding 21491754. In scientific notation, it is written as 2.1491753 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21127428 positive integers (up to 21491753) that are relatively prime to 21491753.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred fifty-three

Notation

Scientific notation 2.1491753 × 10^7
Engineering notation 2.1491753 × 10^6

Prime Factorization of 21491753

Prime Factorization 59 × 364267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491753
Product of the distinct prime numbers

The prime factorization of 21491753 is 59 × 364267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491753)

Multiplication

n×y
n×2 42983506
n×3 64475259
n×4 85967012
n×5 107458765

Division

n÷y
n÷2 10745876.5
n÷3 7163917.6666667
n÷3 5372938.25
n÷5 4298350.6

Exponentiation

ny
n2 461895447013009
n3 9.9269428590282E+21
n4 2.1334740397135E+29
n5 4.5852097093434E+36

Nth Root

y√n
2√n 4635.9198655714
3√n 278.02933027325
4√n 68.087589658993
5√n 29.272132892441

Divisors of 21491753

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 -21491752
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 21491753 can be divided by 4 positive divisors. The sum of these divisors (counting 21491753) is 1, the average is 0.25.

Base conversion 21491753

Base System Value
2 Binary 1010001111111000000101001
3 Ternary 1111102220010212
4 Quaternary 1101333000221
5 Quinary 21000214003
6 Senary 2044350505
8 Octal 121770051
10 Decimal 21491753
12 Duodecimal 7245435
16 Hexadecimal 147f029
20 Vigesimal 6e697d
36 Base36 csn55

Cryptographic Hash Functions

md5 b88c8447119f58a48233b447c562262a
sha1 ad5051a8b52de1e2a030e1d8ef84557b775fbf5e
sha256 b1fa78c168e6bb9ffd86e1a42d1f390998a68fbc464f5158337ba21c79948a72
sha512 d0b177098dbf3c0c03158dbaa1028115317061979e222acbaeeb34eee1cc3b8a577a81ae51be07ce4af7f4764ce5b2e2dc803c5ee1ef7cae7e27c8e0d014a63b
ripemd-160 772fb0622e0a480a170e53ab2d3a5052fc5ba818

21491753 as geometric shapes

Circle

Radius = n
Diameter 42983506
Circumference 135036666.67513
Area 1.4510873430626E+15

Sphere

Radius = n
Volume 4.1581881011371E+22
Surface area 5.8043493722506E+15
Circumference 135036666.67513

Square

Length = n
Perimeter 85967012
Area 461895447013009
Diagonal 30393928.571773

Cube

Length = n
Surface area 2771372682078054
Volume 9.9269428590282E+21
Space diagonal 37224808.139721

Equilateral Triangle

Length = n
Perimeter 64475259
Area 2.0000659550282E+14
Altitude 18612404.06986

Triangular Pyramid

Length = n
Surface area 2.0000659550282E+14
Volume 1.169901435345E+21
Height 10131309.523924