21002842 (number)

21002842 is an even 8-digits composite number following 21002841 and preceding 21002843. In scientific notation, it is written as 2.1002842 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 8962128 positive integers (up to 21002842) that are relatively prime to 21002842.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand eight hundred forty-two

Notation

Scientific notation 2.1002842 × 10^7
Engineering notation 2.1002842 × 10^6

Prime Factorization of 21002842

Prime Factorization 2 × 7 × 239 × 6277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21002842
Product of the distinct prime numbers

The prime factorization of 21002842 is 2 × 7 × 239 × 6277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002842)

Multiplication

n×y
n×2 42005684
n×3 63008526
n×4 84011368
n×5 105014210

Division

n÷y
n÷2 10501421
n÷3 7000947.3333333
n÷3 5250710.5
n÷5 4200568.4

Exponentiation

ny
n2 441119372076964
n3 9.2647604748717E+21
n4 1.9458630042158E+29
n5 4.0868653231189E+36

Nth Root

y√n
2√n 4582.8857720873
3√n 275.90486289022
4√n 67.69701449907
5√n 29.13772318277

Divisors of 21002842

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21002841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21002842 can be divided by 16 positive divisors. The sum of these divisors (counting 21002842) is 1, the average is 0.0625.

Base conversion 21002842

Base System Value
2 Binary 1010000000111101001011010
3 Ternary 1110112001111001
4 Quaternary 1100013221122
5 Quinary 20334042332
6 Senary 2030055214
8 Octal 120075132
10 Decimal 21002842
12 Duodecimal 704a50a
16 Hexadecimal 1407a5a
20 Vigesimal 6b5722
36 Base36 ci5wa

Cryptographic Hash Functions

md5 2cce19ed9517588006214d8fe9ed11ac
sha1 f85c07539bc47b5900d4fd4916bcec6219e3bb0b
sha256 8192a0799fceba0cf51e7fc319dc709641256ac9534c22007f815f88111221d4
sha512 48443bc1719fc0ed97bff42bad521f58f3803816e81b04416ab53b53632b5a04f2301546596ae4a90388ed65432f60700de0569921785968e3a5710556967b81
ripemd-160 7e76609e47c24d4490ba845a3233d5fc1f88ee12

21002842 as geometric shapes

Circle

Radius = n
Diameter 42005684
Circumference 131964748.26341
Area 1.3858173786731E+15

Sphere

Radius = n
Volume 3.8808137926835E+22
Surface area 5.5432695146925E+15
Circumference 131964748.26341

Square

Length = n
Perimeter 84011368
Area 441119372076964
Diagonal 29702504.004779

Cube

Length = n
Surface area 2646716232461784
Volume 9.2647604748717E+21
Space diagonal 36377989.447342

Equilateral Triangle

Length = n
Perimeter 63008526
Area 1.9101029116005E+14
Altitude 18188994.723671

Triangular Pyramid

Length = n
Surface area 1.9101029116005E+14
Volume 1.0918624929751E+21
Height 9900834.6682598