2021808 (number)

2021808 is an even 7-digits composite number following 2021807 and preceding 2021809. In scientific notation, it is written as 2.021808 × 10^6. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 663552 positive integers (up to 2021808) that are relatively prime to 2021808.

Interesting facts

Basic properties

Name

Name two million twenty-one thousand eight hundred eight

Notation

Scientific notation 2.021808 × 10^6
Engineering notation 2.021808 × 10^6

Prime Factorization of 2021808

Prime Factorization 2 × 2 × 2 × 2 × 3 × 73 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 252726
Product of the distinct prime numbers

The prime factorization of 2021808 is 2 × 2 × 2 × 2 × 3 × 73 × 577. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021808)

Multiplication

n×y
n×2 4043616
n×3 6065424
n×4 8087232
n×5 10109040

Division

n÷y
n÷2 1010904
n÷3 673936
n÷3 505452
n÷5 404361.6

Exponentiation

ny
n2 4087707588864
n3 8264559904825946112
n4 1.6709353332056E+25
n5 3.3783104241578E+31

Nth Root

y√n
2√n 1421.9029502747
3√n 126.44838984723
4√n 37.708128437709
5√n 18.245172850746

Divisors of 2021808

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2021807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2021808 can be divided by 40 positive divisors. The sum of these divisors (counting 2021808) is 1, the average is 0.025.

Base conversion 2021808

Base System Value
2 Binary 111101101100110110000
3 Ternary 10210201101210
4 Quaternary 13231212300
5 Quinary 1004144213
6 Senary 111200120
8 Octal 7554660
10 Decimal 2021808
12 Duodecimal 816040
16 Hexadecimal 1ed9b0
20 Vigesimal ccea8
36 Base36 17c1c

Cryptographic Hash Functions

md5 1d290714aaa55bc99ffb868e694cf820
sha1 347132ed45c2e96be1bada34d2a107b1452ad950
sha256 713e56b0ca0e2b509590c0c2c05fcba61f9ae181bb28a384fa089273a10f22a0
sha512 41115fb39c9254ce463a85a0420e847c0d633d74ddf02870f25b8cca15e12e92da94998189be5b198525ff3b26bdab22b449b0945290acbe9387df9d87249983
ripemd-160 96a85c8d5446c2749975b5b6b18f4a93758bf199

2021808 as geometric shapes

Circle

Radius = n
Diameter 4043616
Circumference 12703394.319538
Area 12841912131198

Sphere

Radius = n
Volume 3.4618507576205E+19
Surface area 51367648524794
Circumference 12703394.319538

Square

Length = n
Perimeter 8087232
Area 4087707588864
Diagonal 2859268.2941144

Cube

Length = n
Surface area 24526245533184
Volume 8264559904825946112
Space diagonal 3501874.1791492

Equilateral Triangle

Length = n
Perimeter 6065424
Area 1770029307599.3
Altitude 1750937.0895746

Triangular Pyramid

Length = n
Surface area 1770029307599.3
Volume 9.7398772537081E+17
Height 953089.43137147