21036491 (number)

21036491 is an odd 8-digits composite number following 21036490 and preceding 21036492. In scientific notation, it is written as 2.1036491 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 18031272 positive integers (up to 21036491) that are relatively prime to 21036491.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-six thousand four hundred ninety-one

Notation

Scientific notation 2.1036491 × 10^7
Engineering notation 2.1036491 × 10^6

Prime Factorization of 21036491

Prime Factorization 7 × 3005213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21036491
Product of the distinct prime numbers

The prime factorization of 21036491 is 7 × 3005213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21036491)

Multiplication

n×y
n×2 42072982
n×3 63109473
n×4 84145964
n×5 105182455

Division

n÷y
n÷2 10518245.5
n÷3 7012163.6666667
n÷3 5259122.75
n÷5 4207298.2

Exponentiation

ny
n2 442533953593081
n3 9.3093615319553E+21
n4 1.9583630008272E+29
n5 4.1197085641635E+36

Nth Root

y√n
2√n 4586.5554613457
3√n 276.05212818514
4√n 67.724112850193
5√n 29.147053610807

Divisors of 21036491

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 -21036490
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 21036491 can be divided by 4 positive divisors. The sum of these divisors (counting 21036491) is 1, the average is 0.25.

Base conversion 21036491

Base System Value
2 Binary 1010000001111110111001011
3 Ternary 1110120202122022
4 Quaternary 1100033313023
5 Quinary 20341131431
6 Senary 2030515055
8 Octal 120176713
10 Decimal 21036491
12 Duodecimal 7065a8b
16 Hexadecimal 140fdcb
20 Vigesimal 6b9b4b
36 Base36 civuz

Cryptographic Hash Functions

md5 f5d8dc57f543032c3b7381cabed294ac
sha1 ab014cc30d185d88cee63116c567b2e9798a5efd
sha256 08ff7029641eb38f5f0d5fb9bf2b5e2aeb6aa414b50d938382e9c3841aaf0064
sha512 7cf98073e86e298c822e0dd4a1669432e1f075ce835d4ba6b3c9a1a8be998342667b053206d4101f2f57fc9e4a8ee6184b15d8f64d55e43bb4c5f3c2b015949e
ripemd-160 64dbe775313b8a9a1c37e1900c0d1acc703a9f44

21036491 as geometric shapes

Circle

Radius = n
Diameter 42072982
Circumference 132176171.16582
Area 1.3902614175721E+15

Sphere

Radius = n
Volume 3.8994962397869E+22
Surface area 5.5610456702883E+15
Circumference 132176171.16582

Square

Length = n
Perimeter 84145964
Area 442533953593081
Diagonal 29750090.87694

Cube

Length = n
Surface area 2655203721558486
Volume 9.3093615319553E+21
Space diagonal 36436271.224965

Equilateral Triangle

Length = n
Perimeter 63109473
Area 1.9162282292439E+14
Altitude 18218135.612483

Triangular Pyramid

Length = n
Surface area 1.9162282292439E+14
Volume 1.0971187779605E+21
Height 9916696.9589799