21082021 (number)

21082021 is an odd 8-digits prime number following 21082020 and preceding 21082022. In scientific notation, it is written as 2.1082021 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 21082020 positive integers (up to 21082021) that are relatively prime to 21082021.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand twenty-one

Notation

Scientific notation 2.1082021 × 10^7
Engineering notation 2.1082021 × 10^6

Prime Factorization of 21082021

Prime Factorization 21082021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21082021
Product of the distinct prime numbers

The prime factorization of 21082021 is 21082021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082021)

Multiplication

n×y
n×2 42164042
n×3 63246063
n×4 84328084
n×5 105410105

Division

n÷y
n÷2 10541010.5
n÷3 7027340.3333333
n÷3 5270505.25
n÷5 4216404.2

Exponentiation

ny
n2 444451609444441
n3 9.3699381637915E+21
n4 1.9753723313775E+29
n5 4.164484097292E+36

Nth Root

y√n
2√n 4591.5161983815
3√n 276.25114104481
4√n 67.760727552038
5√n 29.159659496031

Divisors of 21082021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21082022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10541011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4591.516307278
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051324
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082021 can be divided by 2 positive divisors. The sum of these divisors (counting 21082021) is 21082022, the average is 10541011.

Base conversion 21082021

Base System Value
2 Binary 1010000011010111110100101
3 Ternary 1110200002002121
4 Quaternary 1100122332211
5 Quinary 20344111041
6 Senary 2031505541
8 Octal 120327645
10 Decimal 21082021
12 Duodecimal 70882b1
16 Hexadecimal 141afa5
20 Vigesimal 6bf511
36 Base36 cjuzp

Cryptographic Hash Functions

md5 55e8b0af8c4b85c8570218dc7b3f3d40
sha1 6386ef4ad1c198df3e5417a64cd5fc0bbef5ade8
sha256 d5a98145127197179b9a779e79f6dcc260a5ae76964bc5a1f1616fdd8dc7a67d
sha512 30c0e6d5b0eeefb9d1161c5e863303e773914063b82de3bbe44bfac793bcb63183f2f086ee8b36d4c997fc80e9cb22ca4f308133d578d07edcb19b0414d1a195
ripemd-160 cf1ac57ffd87704379b2e9ee2718bdf01c801977

21082021 as geometric shapes

Circle

Radius = n
Diameter 42164042
Circumference 132462244.59285
Area 1.3962859111068E+15

Sphere

Radius = n
Volume 3.9248705199944E+22
Surface area 5.5851436444273E+15
Circumference 132462244.59285

Square

Length = n
Perimeter 84328084
Area 444451609444441
Diagonal 29814480.020434

Cube

Length = n
Surface area 2666709656666646
Volume 9.3699381637915E+21
Space diagonal 36515131.498234

Equilateral Triangle

Length = n
Perimeter 63246063
Area 1.9245319226588E+14
Altitude 18257565.749117

Triangular Pyramid

Length = n
Surface area 1.9245319226588E+14
Volume 1.1042578024859E+21
Height 9938160.0068115