21802021 (number)

21802021 is an odd 8-digits composite number following 21802020 and preceding 21802022. In scientific notation, it is written as 2.1802021 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 20975520 positive integers (up to 21802021) that are relatively prime to 21802021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1802021 × 10^7
Engineering notation 2.1802021 × 10^6

Prime Factorization of 21802021

Prime Factorization 31 × 179 × 3929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21802021
Product of the distinct prime numbers

The prime factorization of 21802021 is 31 × 179 × 3929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 77, 100, 855, 769, 892, 6783, 12722, 91894, 76223, 721048, 8006436, 2363546, 26500048, 58801447, 739725322, 276359306, 6205403046, 5572733056

Basic calculations (n = 21802021)

Multiplication

n×y
n×2 43604042
n×3 65406063
n×4 87208084
n×5 109010105

Division

n÷y
n÷2 10901010.5
n÷3 7267340.3333333
n÷3 5450505.25
n÷5 4360404.2

Exponentiation

ny
n2 475328119684441
n3 1.0363113647251E+22
n4 2.2593682136275E+29
n5 4.9258793240238E+36

Nth Root

y√n
2√n 4669.2634322771
3√n 279.36087644036
4√n 68.332008841224
5√n 29.356167074104

Divisors of 21802021

1, 31, 179, 3929, 5549, 121799, 703291, 21802021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21802020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21802021 can be divided by 8 positive divisors. The sum of these divisors (counting 21802021) is 1, the average is 0.125.

Base conversion 21802021

Base System Value
2 Binary 1010011001010110000100101
3 Ternary 1112000122202021
4 Quaternary 1103022300211
5 Quinary 21040131041
6 Senary 2055143141
8 Octal 123126045
10 Decimal 21802021
12 Duodecimal 7374ab1
16 Hexadecimal 14cac25
20 Vigesimal 6g5511
36 Base36 czajp

Cryptographic Hash Functions

md5 9e25aa0963331e10fe8b98fbc133570a
sha1 d5275901ea7a94b1fceb6dadeece582d4c3ee301
sha256 f2a3fb3ec8d924c89dd6810adabe9d41f6aff4ec6ec2ce885e58f53b4f0c7db2
sha512 ee7dd15a064c32617d5a03ee40b1ff6f6c10d445495f02da3e4bd47ca37da195649d708a2ca9390707f4f06f52e21805875a8727abe27c0d406ff483efdeb617
ripemd-160 0b2453df2f9ac2ef574ebddd9522b8f9c8f52f0c

21802021 as geometric shapes

Circle

Radius = n
Diameter 43604042
Circumference 136986138.01402
Area 1.4932873288453E+15

Sphere

Radius = n
Volume 4.3408908936692E+22
Surface area 5.9731493153812E+15
Circumference 136986138.01402

Square

Length = n
Perimeter 87208084
Area 475328119684441
Diagonal 30832713.785343

Cube

Length = n
Surface area 2851968718106646
Volume 1.0363113647251E+22
Space diagonal 37762208.079684

Equilateral Triangle

Length = n
Perimeter 65406063
Area 2.0582311338991E+14
Altitude 18881104.039842

Triangular Pyramid

Length = n
Surface area 2.0582311338991E+14
Volume 1.2213046556963E+21
Height 10277571.261781