2021891 (number)

2021891 is an odd 7-digits prime number following 2021890 and preceding 2021892. In scientific notation, it is written as 2.021891 × 10^6. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 2021890 positive integers (up to 2021891) that are relatively prime to 2021891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.021891 × 10^6
Engineering notation 2.021891 × 10^6

Prime Factorization of 2021891

Prime Factorization 2021891

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 2021891
Product of the distinct prime numbers

The prime factorization of 2021891 is 2021891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021891)

Multiplication

n×y
n×2 4043782
n×3 6065673
n×4 8087564
n×5 10109455

Division

n÷y
n÷2 1010945.5
n÷3 673963.66666667
n÷3 505472.75
n÷5 404378.2

Exponentiation

ny
n2 4088043215881
n3 8265577785800850971
n4 1.6712097334911E+25
n5 3.379003919258E+31

Nth Root

y√n
2√n 1421.9321362147
3√n 126.4501201587
4√n 37.708515433714
5√n 18.245322649785

Divisors of 2021891

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 2021892
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 1010946
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1421.9324878488
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999990108275
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2021891 can be divided by 2 positive divisors. The sum of these divisors (counting 2021891) is 2021892, the average is 1010946.

Base conversion 2021891

Base System Value
2 Binary 111101101101000000011
3 Ternary 10210201111212
4 Quaternary 13231220003
5 Quinary 1004200031
6 Senary 111200335
8 Octal 7555003
10 Decimal 2021891
12 Duodecimal 8160ab
16 Hexadecimal 1eda03
20 Vigesimal cceeb
36 Base36 17c3n

Cryptographic Hash Functions

md5 0d64ca1579d6ddd24d7c5423ccd701ac
sha1 9a91913e2050be7e62554040544fff4c8d5418ef
sha256 d8b9e2813b19d8b7653c3fc0ca0d43192817099a8a40d120b1931e083b5e9d75
sha512 340f4e06e262d2c8ce7c582666ac4a3a24cd6f23be6255e3a6760a85b04d42ad33da453113729f26f39caa69df9f71fab0a254329f0d16b2c23f468a18b9049f
ripemd-160 b58542b8829a4cb09a3e93b0fae44cee8b1218fb

2021891 as geometric shapes

Circle

Radius = n
Diameter 4043782
Circumference 12703915.823919
Area 12842966534569

Sphere

Radius = n
Volume 3.4622771266063E+19
Surface area 51371866138277
Circumference 12703915.823919

Square

Length = n
Perimeter 8087564
Area 4088043215881
Diagonal 2859385.6738401

Cube

Length = n
Surface area 24528259295286
Volume 8265577785800850971
Space diagonal 3502017.9393662

Equilateral Triangle

Length = n
Perimeter 6065673
Area 1770174638360.8
Altitude 1751008.9696831

Triangular Pyramid

Length = n
Surface area 1770174638360.8
Volume 9.7410768379411E+17
Height 953128.5579467