21072021 (number)

21072021 is an odd 8-digits composite number following 21072020 and preceding 21072022. In scientific notation, it is written as 2.1072021 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 13653360 positive integers (up to 21072021) that are relatively prime to 21072021.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand twenty-one

Notation

Scientific notation 2.1072021 × 10^7
Engineering notation 2.1072021 × 10^6

Prime Factorization of 21072021

Prime Factorization 3 × 43 × 379 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21072021
Product of the distinct prime numbers

The prime factorization of 21072021 is 3 × 43 × 379 × 431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 38, 10, 123, 699, 5694, 8945, 83993, 60944, 465922, 26262, 3694791, 9829805, 57280509, 4729336, 475365686, 779698043, 8110297556, 1793261656

Basic calculations (n = 21072021)

Multiplication

n×y
n×2 42144042
n×3 63216063
n×4 84288084
n×5 105360105

Division

n÷y
n÷2 10536010.5
n÷3 7024007
n÷3 5268005.25
n÷5 4214404.2

Exponentiation

ny
n2 444030069024441
n3 9.3566109391145E+21
n4 1.9716270219785E+29
n5 4.1546166011298E+36

Nth Root

y√n
2√n 4590.4271043118
3√n 276.20745534831
4√n 67.752690753296
5√n 29.15689266512

Divisors of 21072021

1, 3, 43, 129, 379, 431, 1137, 1293, 16297, 18533, 48891, 55599, 163349, 490047, 7024007, 21072021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072021 can be divided by 16 positive divisors. The sum of these divisors (counting 21072021) is 1, the average is 0.0625.

Base conversion 21072021

Base System Value
2 Binary 1010000011000100010010101
3 Ternary 1110122120101020
4 Quaternary 1100120202111
5 Quinary 20343301041
6 Senary 2031351353
8 Octal 120304225
10 Decimal 21072021
12 Duodecimal 7082559
16 Hexadecimal 1418895
20 Vigesimal 6be011
36 Base36 cjn9x

Cryptographic Hash Functions

md5 b96622e07a1d7d0b9ca8f1646d1b76ac
sha1 49e8b520563af8926254d05f794caac55dfacaeb
sha256 045258e0bf056e976cb639c1c01e6753e4cfe3affbcdb5887252775f900d2e2d
sha512 1d54497a89638974b941b6072d0d0d158656bae5eea61ec848ae3b5b16056d3e019ba0c0ec41260e7450de135bbf681be097c7080f5bf3a4227dc2d32fb044e2
ripemd-160 22b040e6350c5b24a343561508225b9a5b063210

21072021 as geometric shapes

Circle

Radius = n
Diameter 42144042
Circumference 132399412.73978
Area 1.3949616028202E+15

Sphere

Radius = n
Volume 3.919288025176E+22
Surface area 5.5798464112806E+15
Circumference 132399412.73978

Square

Length = n
Perimeter 84288084
Area 444030069024441
Diagonal 29800337.884811

Cube

Length = n
Surface area 2664180414146646
Volume 9.3566109391145E+21
Space diagonal 36497810.990158

Equilateral Triangle

Length = n
Perimeter 63216063
Area 1.9227065990966E+14
Altitude 18248905.495079

Triangular Pyramid

Length = n
Surface area 1.9227065990966E+14
Volume 1.1026871739953E+21
Height 9933445.9616036