2021861 (number)

2021861 is an odd 7-digits composite number following 2021860 and preceding 2021862. In scientific notation, it is written as 2.021861 × 10^6. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 1819840 positive integers (up to 2021861) that are relatively prime to 2021861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.021861 × 10^6
Engineering notation 2.021861 × 10^6

Prime Factorization of 2021861

Prime Factorization 17 × 23 × 5171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2021861
Product of the distinct prime numbers

The prime factorization of 2021861 is 17 × 23 × 5171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021861)

Multiplication

n×y
n×2 4043722
n×3 6065583
n×4 8087444
n×5 10109305

Division

n÷y
n÷2 1010930.5
n÷3 673953.66666667
n÷3 505465.25
n÷5 404372.2

Exponentiation

ny
n2 4087921903321
n3 8265209867370500381
n4 1.6711105487652E+25
n5 3.3787532452369E+31

Nth Root

y√n
2√n 1421.9215871489
3√n 126.44949475038
4√n 37.708375557015
5√n 18.245268506122

Divisors of 2021861

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 -2021860
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 2021861 can be divided by 8 positive divisors. The sum of these divisors (counting 2021861) is 1, the average is 0.125.

Base conversion 2021861

Base System Value
2 Binary 111101101100111100101
3 Ternary 10210201110202
4 Quaternary 13231213211
5 Quinary 1004144421
6 Senary 111200245
8 Octal 7554745
10 Decimal 2021861
12 Duodecimal 816085
16 Hexadecimal 1ed9e5
20 Vigesimal cced1
36 Base36 17c2t

Cryptographic Hash Functions

md5 8e45e45898828c29f7223a59fa4da1d5
sha1 10257fb263e1ae69cbdb679fe604fcd831ba14ae
sha256 01385554723337e4c4b380db3bce1f7b4fe40463332c7e76f89fab436f1047eb
sha512 203616560ee0b373a2342c7cc75f51dff76bedf98384c6bd392160051c9c96cbf3da18d74d25d59fa1984f8932a2efce7c7aa330203e21c24e0255b3421c5407
ripemd-160 ed24cecb0bcd39437b47cf3fc4a46339184f9801

2021861 as geometric shapes

Circle

Radius = n
Diameter 4043722
Circumference 12703727.328359
Area 12842585419922

Sphere

Radius = n
Volume 3.4621230132945E+19
Surface area 51370341679688
Circumference 12703727.328359

Square

Length = n
Perimeter 8087444
Area 4087921903321
Diagonal 2859343.2474332

Cube

Length = n
Surface area 24527531419926
Volume 8265209867370500381
Space diagonal 3501965.977842

Equilateral Triangle

Length = n
Perimeter 6065583
Area 1770122108481.4
Altitude 1750982.988921

Triangular Pyramid

Length = n
Surface area 1770122108481.4
Volume 9.7406432419127E+17
Height 953114.41581108