2021391 (number)

2021391 is an odd 7-digits composite number following 2021390 and preceding 2021392. In scientific notation, it is written as 2.021391 × 10^6. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 1276560 positive integers (up to 2021391) that are relatively prime to 2021391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.021391 × 10^6
Engineering notation 2.021391 × 10^6

Prime Factorization of 2021391

Prime Factorization 9 × 19 × 11821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2021391
Product of the distinct prime numbers

The prime factorization of 2021391 is 9 × 19 × 11821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021391)

Multiplication

n×y
n×2 4042782
n×3 6064173
n×4 8085564
n×5 10106955

Division

n÷y
n÷2 1010695.5
n÷3 673797
n÷3 505347.75
n÷5 404278.2

Exponentiation

ny
n2 4086021574881
n3 8259447237270279471
n4 1.6695572310393E+25
n5 3.3748279608078E+31

Nth Root

y√n
2√n 1421.7563082329
3√n 126.4396958789
4√n 37.706183952144
5√n 18.244420171477

Divisors of 2021391

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 -2021390
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 2021391 can be divided by 8 positive divisors. The sum of these divisors (counting 2021391) is 1, the average is 0.125.

Base conversion 2021391

Base System Value
2 Binary 111101101100000001111
3 Ternary 10210200211100
4 Quaternary 13231200033
5 Quinary 1004141031
6 Senary 111154143
8 Octal 7554017
10 Decimal 2021391
12 Duodecimal 815953
16 Hexadecimal 1ed80f
20 Vigesimal ccd9b
36 Base36 17bpr

Cryptographic Hash Functions

md5 d53a051aab01894377c289ff865d7591
sha1 66d7df7a8f69f277a641fa9b4a399cc58a3d34bc
sha256 fc404e560a228640ddc69d5b49b2592f54cbc674c2bcc1e80756f22be7c9791b
sha512 d9b26b417b92fade65e037ef2e837a17c670f357f457b818763b88b903c14d0d71867c9340ede4ac852edde3e871f1acacb1ce50b117755747105f4368d86f28
ripemd-160 9befd0f4d9f5ba245f8dee65a75a6f5e112f9a11

2021391 as geometric shapes

Circle

Radius = n
Diameter 4042782
Circumference 12700774.231265
Area 12836615362056

Sphere

Radius = n
Volume 3.4597091684428E+19
Surface area 51346461448222
Circumference 12700774.231265

Square

Length = n
Perimeter 8085564
Area 4086021574881
Diagonal 2858678.5670589

Cube

Length = n
Surface area 24516129449286
Volume 8259447237270279471
Space diagonal 3501151.9139625

Equilateral Triangle

Length = n
Perimeter 6064173
Area 1769299242129.1
Altitude 1750575.9569812

Triangular Pyramid

Length = n
Surface area 1769299242129.1
Volume 9.7338519172105E+17
Height 952892.8556863