21141281 (number)

21141281 is an odd 8-digits composite number following 21141280 and preceding 21141282. In scientific notation, it is written as 2.1141281 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 16744320 positive integers (up to 21141281) that are relatively prime to 21141281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1141281 × 10^7
Engineering notation 2.1141281 × 10^6

Prime Factorization of 21141281

Prime Factorization 7 × 41 × 19 × 3877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21141281
Product of the distinct prime numbers

The prime factorization of 21141281 is 7 × 41 × 19 × 3877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21141281)

Multiplication

n×y
n×2 42282562
n×3 63423843
n×4 84565124
n×5 105706405

Division

n÷y
n÷2 10570640.5
n÷3 7047093.6666667
n÷3 5285320.25
n÷5 4228256.2

Exponentiation

ny
n2 446953762320961
n3 9.4491750832346E+21
n4 1.9976766565286E+29
n5 4.2233443542812E+36

Nth Root

y√n
2√n 4597.9648758989
3√n 276.50973939645
4√n 67.808295037546
5√n 29.176034223848

Divisors of 21141281

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 -21141280
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 21141281 can be divided by 16 positive divisors. The sum of these divisors (counting 21141281) is 1, the average is 0.0625.

Base conversion 21141281

Base System Value
2 Binary 1010000101001011100100001
3 Ternary 1110210002101102
4 Quaternary 1100221130201
5 Quinary 20403010111
6 Senary 2033044145
8 Octal 120513441
10 Decimal 21141281
12 Duodecimal 70b6655
16 Hexadecimal 1429721
20 Vigesimal 6c2d41
36 Base36 cl4pt

Cryptographic Hash Functions

md5 40b68faea575e56d69e0e3ff9a30bd04
sha1 f05e4b60ce5577de42cfd4194507a13112e2b9b7
sha256 49aa10fd3b1063af0d27caf76b666df92432c4260edbe2788a18454611d17602
sha512 38e745f3f935f5fd8bff40717b0edc0c27c9862d120192b493ad5bf43574703af99d9e92e60abc7c48958d5b1053f1eae8ce2ac0cfc237fe064a0ba7b69e8a13
ripemd-160 04aa964421b569dbdad586afd5eccbabcdc72fda

21141281 as geometric shapes

Circle

Radius = n
Diameter 42282562
Circumference 132834586.15415
Area 1.4041466562018E+15

Sphere

Radius = n
Volume 3.9580612031965E+22
Surface area 5.6165866248074E+15
Circumference 132834586.15415

Square

Length = n
Perimeter 84565124
Area 446953762320961
Diagonal 29898286.316141

Cube

Length = n
Surface area 2681722573925766
Volume 9.4491750832346E+21
Space diagonal 36617772.829091

Equilateral Triangle

Length = n
Perimeter 63423843
Area 1.9353665624349E+14
Altitude 18308886.414545

Triangular Pyramid

Length = n
Surface area 1.9353665624349E+14
Volume 1.1135959629957E+21
Height 9966095.4387135