21020121 (number)

21020121 is an odd 8-digits composite number following 21020120 and preceding 21020122. In scientific notation, it is written as 2.1020121 × 10^7. The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors. There are 14013396 positive integers (up to 21020121) that are relatively prime to 21020121.

Interesting facts

Basic properties

Name

Name twenty-one million twenty thousand one hundred twenty-one

Notation

Scientific notation 2.1020121 × 10^7
Engineering notation 2.1020121 × 10^6

Prime Factorization of 21020121

Prime Factorization 3 × 9 × 778523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21020121
Product of the distinct prime numbers

The prime factorization of 21020121 is 3 × 9 × 778523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21020121)

Multiplication

n×y
n×2 42040242
n×3 63060363
n×4 84080484
n×5 105100605

Division

n÷y
n÷2 10510060.5
n÷3 7006707
n÷3 5255030.25
n÷5 4204024.2

Exponentiation

ny
n2 441845486854641
n3 9.2876455969885E+21
n4 1.9522743425381E+29
n5 4.1037042905347E+36

Nth Root

y√n
2√n 4584.7705504202
3√n 275.980504294
4√n 67.710933758295
5√n 29.142515916237

Divisors of 21020121

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 -21020120
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 21020121 can be divided by 8 positive divisors. The sum of these divisors (counting 21020121) is 1, the average is 0.125.

Base conversion 21020121

Base System Value
2 Binary 1010000001011110111011001
3 Ternary 1110112221012000
4 Quaternary 1100023313121
5 Quinary 20340120441
6 Senary 2030311213
8 Octal 120136731
10 Decimal 21020121
12 Duodecimal 7058509
16 Hexadecimal 140bdd9
20 Vigesimal 6b7a61
36 Base36 cij89

Cryptographic Hash Functions

md5 e2f76203a8ab7a2b04f6425de81e326a
sha1 2c6ad8c339b72533e5859eb29ced4425692abb25
sha256 9d7acc2984aa00de2f2db8b1aafcfc4dc135e3e8fd484a43dc3084422a937440
sha512 53f9ffcc29de411d951e6b092ca5ffac74670269d15543b71e0adb17a0cd01428331a4bda8b35c662ea8a31228bfeeb04acc79310794e46290c15bec9d0a27fb
ripemd-160 7aedd85d9cb6464894b6a92c4b30814269d98dbe

21020121 as geometric shapes

Circle

Radius = n
Diameter 42040242
Circumference 132073315.42234
Area 1.3880985355243E+15

Sphere

Radius = n
Volume 3.8903998902193E+22
Surface area 5.5523941420974E+15
Circumference 132073315.42234

Square

Length = n
Perimeter 84080484
Area 441845486854641
Diagonal 29726940.200924

Cube

Length = n
Surface area 2651072921127846
Volume 9.2876455969885E+21
Space diagonal 36407917.553246

Equilateral Triangle

Length = n
Perimeter 63060363
Area 1.9132470808181E+14
Altitude 18203958.776623

Triangular Pyramid

Length = n
Surface area 1.9132470808181E+14
Volume 1.0945595304813E+21
Height 9908980.0669745