21041491 (number)

21041491 is an odd 8-digits composite number following 21041490 and preceding 21041492. In scientific notation, it is written as 2.1041491 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20552112 positive integers (up to 21041491) that are relatively prime to 21041491.

Interesting facts

Basic properties

Name

Name twenty-one million forty-one thousand four hundred ninety-one

Notation

Scientific notation 2.1041491 × 10^7
Engineering notation 2.1041491 × 10^6

Prime Factorization of 21041491

Prime Factorization 43 × 489337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21041491
Product of the distinct prime numbers

The prime factorization of 21041491 is 43 × 489337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21041491)

Multiplication

n×y
n×2 42082982
n×3 63124473
n×4 84165964
n×5 105207455

Division

n÷y
n÷2 10520745.5
n÷3 7013830.3333333
n÷3 5260372.75
n÷5 4208298.2

Exponentiation

ny
n2 442744343503081
n3 9.316001119121E+21
n4 1.9602255370397E+29
n5 4.1246067995592E+36

Nth Root

y√n
2√n 4587.1005003161
3√n 276.07399734734
4√n 67.72813669603
5√n 29.148439026412

Divisors of 21041491

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21041490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21041491 can be divided by 4 positive divisors. The sum of these divisors (counting 21041491) is 1, the average is 0.25.

Base conversion 21041491

Base System Value
2 Binary 1010000010001000101010011
3 Ternary 1110121000111111
4 Quaternary 1100101011103
5 Quinary 20341311431
6 Senary 2030554151
8 Octal 120210523
10 Decimal 21041491
12 Duodecimal 7068957
16 Hexadecimal 1411153
20 Vigesimal 6ba3eb
36 Base36 cizpv

Cryptographic Hash Functions

md5 c1d2d63164f097aacaa4f120412221ec
sha1 348ed3946d33a075357ca364d5163a6398b42048
sha256 2f14e0465a3b847dfe42fd1a276ab1b1e730def02a8abd898324078b3e9adcc2
sha512 cdbea4587a0b08663d7f422092506c43cddf6cd9eaadfcfdb24f90e8384bc18b7f375bfed1a07b46e3f4eac1d9e954da5380fb270076e0ba7ef94bfee335fa0d
ripemd-160 423e4d1079eaa3f3c0c1e8bce4487ee2a5ba0c9b

21041491 as geometric shapes

Circle

Radius = n
Diameter 42082982
Circumference 132207587.09235
Area 1.3909223769677E+15

Sphere

Radius = n
Volume 3.9022774235553E+22
Surface area 5.5636895078709E+15
Circumference 132207587.09235

Square

Length = n
Perimeter 84165964
Area 442744343503081
Diagonal 29757161.944751

Cube

Length = n
Surface area 2656466061018486
Volume 9.316001119121E+21
Space diagonal 36444931.479003

Equilateral Triangle

Length = n
Perimeter 63124473
Area 1.9171392442777E+14
Altitude 18222465.739502

Triangular Pyramid

Length = n
Surface area 1.9171392442777E+14
Volume 1.097901260812E+21
Height 9919053.9815838