21002509 (number)

21002509 is an odd 8-digits composite number following 21002508 and preceding 21002510. In scientific notation, it is written as 2.1002509 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19093180 positive integers (up to 21002509) that are relatively prime to 21002509.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand five hundred nine

Notation

Scientific notation 2.1002509 × 10^7
Engineering notation 2.1002509 × 10^6

Prime Factorization of 21002509

Prime Factorization 11 × 1909319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21002509
Product of the distinct prime numbers

The prime factorization of 21002509 is 11 × 1909319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002509)

Multiplication

n×y
n×2 42005018
n×3 63007527
n×4 84010036
n×5 105012545

Division

n÷y
n÷2 10501254.5
n÷3 7000836.3333333
n÷3 5250627.25
n÷5 4200501.8

Exponentiation

ny
n2 441105384295081
n3 9.2643198036059E+21
n4 1.9457396005411E+29
n5 4.0865413472021E+36

Nth Root

y√n
2√n 4582.8494411228
3√n 275.90340472557
4√n 67.696746163482
5√n 29.13763078648

Divisors of 21002509

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 -21002508
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 21002509 can be divided by 4 positive divisors. The sum of these divisors (counting 21002509) is 1, the average is 0.25.

Base conversion 21002509

Base System Value
2 Binary 1010000000111100100001101
3 Ternary 1110112001000201
4 Quaternary 1100013210031
5 Quinary 20334040014
6 Senary 2030053501
8 Octal 120074415
10 Decimal 21002509
12 Duodecimal 704a291
16 Hexadecimal 140790d
20 Vigesimal 6b5659
36 Base36 ci5n1

Cryptographic Hash Functions

md5 89d1108be29a5ad06e5e00c82b7b872a
sha1 e672b5d4487963b9533af1dd0e0b8fccb680fdd0
sha256 653e1f16171a6915ba20d22f25a184529b7108578bd8fe829fc2d0107a2f4b68
sha512 6cb8d8f97580366c97f3756e0e57942985b1370c312c0b6b170da33511f826d9a4ec1a55572a8412e7cfd1d811ced342d6a7de6894bae6c15663faad4da46195
ripemd-160 8608f296570fece8ee93956f75a9f8a8f479c978

21002509 as geometric shapes

Circle

Radius = n
Diameter 42005018
Circumference 131962655.96271
Area 1.3857734347603E+15

Sphere

Radius = n
Volume 3.8806292047353E+22
Surface area 5.5430937390413E+15
Circumference 131962655.96271

Square

Length = n
Perimeter 84010036
Area 441105384295081
Diagonal 29702033.071663

Cube

Length = n
Surface area 2646632305770486
Volume 9.2643198036059E+21
Space diagonal 36377412.674423

Equilateral Triangle

Length = n
Perimeter 63007527
Area 1.9100423427282E+14
Altitude 18188706.337211

Triangular Pyramid

Length = n
Surface area 1.9100423427282E+14
Volume 1.0918105593684E+21
Height 9900677.6905543