2021721 (number)

2021721 is an odd 7-digits composite number following 2021720 and preceding 2021722. In scientific notation, it is written as 2.021721 × 10^6. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 1244112 positive integers (up to 2021721) that are relatively prime to 2021721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.021721 × 10^6
Engineering notation 2.021721 × 10^6

Prime Factorization of 2021721

Prime Factorization 3 × 13 × 51839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2021721
Product of the distinct prime numbers

The prime factorization of 2021721 is 3 × 13 × 51839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021721)

Multiplication

n×y
n×2 4043442
n×3 6065163
n×4 8086884
n×5 10108605

Division

n÷y
n÷2 1010860.5
n÷3 673907
n÷3 505430.25
n÷5 404344.2

Exponentiation

ny
n2 4087355801841
n3 8263493059053788361
n4 1.6706477450843E+25
n5 3.3775836298396E+31

Nth Root

y√n
2√n 1421.8723571404
3√n 126.44657609641
4√n 37.707722778503
5√n 18.245015827195

Divisors of 2021721

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 -2021720
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 2021721 can be divided by 8 positive divisors. The sum of these divisors (counting 2021721) is 1, the average is 0.125.

Base conversion 2021721

Base System Value
2 Binary 111101101100101011001
3 Ternary 10210201021120
4 Quaternary 13231211121
5 Quinary 1004143341
6 Senary 111155453
8 Octal 7554531
10 Decimal 2021721
12 Duodecimal 815b89
16 Hexadecimal 1ed959
20 Vigesimal cce61
36 Base36 17byx

Cryptographic Hash Functions

md5 b6862863a49d342d61561cef3133d1f7
sha1 836d2ef4e42f6c9437f40b81313be7876c535294
sha256 3ea0419dc0dce157d174343634cffe53a52b142a1a2b8be7b2101f4a7c2dd8fd
sha512 ef3e3ace6ac2ec33f2a8484aa02908e0c0ac9b7f5136fa443bbe49caab92c60b50d29c6583b081f88692e7ba540a33b634c35ea43413cbcb3d7e919eb4343fb9
ripemd-160 66c1ffa6a6061b47f9f254f75ae6fdfadf73b071

2021721 as geometric shapes

Circle

Radius = n
Diameter 4043442
Circumference 12702847.682416
Area 12840806959671

Sphere

Radius = n
Volume 3.4614038783085E+19
Surface area 51363227838685
Circumference 12702847.682416

Square

Length = n
Perimeter 8086884
Area 4087355801841
Diagonal 2859145.2575345

Cube

Length = n
Surface area 24524134811046
Volume 8263493059053788361
Space diagonal 3501723.490729

Equilateral Triangle

Length = n
Perimeter 6065163
Area 1769876979350
Altitude 1750861.7453645

Triangular Pyramid

Length = n
Surface area 1769876979350
Volume 9.7386199639082E+17
Height 953048.41917817