21002806 (number)

21002806 is an even 8-digits composite number following 21002805 and preceding 21002807. In scientific notation, it is written as 2.1002806 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 9521280 positive integers (up to 21002806) that are relatively prime to 21002806.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand eight hundred six

Notation

Scientific notation 2.1002806 × 10^7
Engineering notation 2.1002806 × 10^6

Prime Factorization of 21002806

Prime Factorization 2 × 11 × 2089 × 457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21002806
Product of the distinct prime numbers

The prime factorization of 21002806 is 2 × 11 × 2089 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 57, 8, 429, 113, 5364, 8353, 21073, 29898, 764957, 888654, 7152646, 8451312, 70666738, 16689210, 634838055, 63831037, 8676154053, 9785127586

Basic calculations (n = 21002806)

Multiplication

n×y
n×2 42005612
n×3 63008418
n×4 84011224
n×5 105014030

Division

n÷y
n÷2 10501403
n÷3 7000935.3333333
n÷3 5250701.5
n÷5 4200561.2

Exponentiation

ny
n2 441117859873636
n3 9.2647128340612E+21
n4 1.945849662995E+29
n5 4.0868302977049E+36

Nth Root

y√n
2√n 4582.8818444293
3√n 275.90470525154
4√n 67.696985489971
5√n 29.137713194038

Divisors of 21002806

1, 2, 11, 22, 457, 914, 2089, 4178, 5027, 10054, 22979, 45958, 954673, 1909346, 10501403, 21002806

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 -21002805
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 21002806 can be divided by 16 positive divisors. The sum of these divisors (counting 21002806) is 1, the average is 0.0625.

Base conversion 21002806

Base System Value
2 Binary 1010000000111101000110110
3 Ternary 1110112001102201
4 Quaternary 1100013220312
5 Quinary 20334042211
6 Senary 2030055114
8 Octal 120075066
10 Decimal 21002806
12 Duodecimal 704a49a
16 Hexadecimal 1407a36
20 Vigesimal 6b5706
36 Base36 ci5va

Cryptographic Hash Functions

md5 b519f519d569ed71abf4e22fba6a2716
sha1 92673e959ff6d2b8c7cb9e00ffff8daadedd60cf
sha256 7e03784e1aab28f22914c5283631c935ab527dff42ceb1ce2f5165da6705b6c6
sha512 d936549bb6c9b13ba0be5b01a1e770af0f312e2f2420b10a566195d58f20a63a332d39b952e7db284558bdabc275acd526af59746b6bab8c0432dc82a9945b7f
ripemd-160 d8b9413aa8826c2182334ada13e02124d6445771

21002806 as geometric shapes

Circle

Radius = n
Diameter 42005612
Circumference 131964522.06874
Area 1.3858126279463E+15

Sphere

Radius = n
Volume 3.8807938369474E+22
Surface area 5.5432505117851E+15
Circumference 131964522.06874

Square

Length = n
Perimeter 84011224
Area 441117859873636
Diagonal 29702453.093091

Cube

Length = n
Surface area 2646707159241816
Volume 9.2647128340612E+21
Space diagonal 36377927.093512

Equilateral Triangle

Length = n
Perimeter 63008418
Area 1.910096363568E+14
Altitude 18188963.546756

Triangular Pyramid

Length = n
Surface area 1.910096363568E+14
Volume 1.0918568784518E+21
Height 9900817.697697