21490437 (number)

21490437 is an odd 8-digits composite number following 21490436 and preceding 21490438. In scientific notation, it is written as 2.1490437 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13910400 positive integers (up to 21490437) that are relatively prime to 21490437.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand four hundred thirty-seven

Notation

Scientific notation 2.1490437 × 10^7
Engineering notation 2.1490437 × 10^6

Prime Factorization of 21490437

Prime Factorization 3 × 41 × 379 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490437
Product of the distinct prime numbers

The prime factorization of 21490437 is 3 × 41 × 379 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 15, 37, 836, 947, 977, 150, 23260, 14817, 932698, 440888, 7522517, 1868387, 80463846, 48589398, 559298304, 21585819, 5914300318, 5158059630

Basic calculations (n = 21490437)

Multiplication

n×y
n×2 42980874
n×3 64471311
n×4 85961748
n×5 107452185

Division

n÷y
n÷2 10745218.5
n÷3 7163479
n÷3 5372609.25
n÷5 4298087.4

Exponentiation

ny
n2 461838882450969
n3 9.925119407463E+21
n4 2.1329515334356E+29
n5 4.5838060553351E+36

Nth Root

y√n
2√n 4635.7779282446
3√n 278.02365532021
4√n 68.086547336788
5√n 29.271774400787

Divisors of 21490437

1, 3, 41, 123, 379, 461, 1137, 1383, 15539, 18901, 46617, 56703, 174719, 524157, 7163479, 21490437

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 -21490436
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 21490437 can be divided by 16 positive divisors. The sum of these divisors (counting 21490437) is 1, the average is 0.0625.

Base conversion 21490437

Base System Value
2 Binary 1010001111110101100000101
3 Ternary 1111102211100010
4 Quaternary 1101332230011
5 Quinary 21000143222
6 Senary 2044340433
8 Octal 121765405
10 Decimal 21490437
12 Duodecimal 7244719
16 Hexadecimal 147eb05
20 Vigesimal 6e661h
36 Base36 csm4l

Cryptographic Hash Functions

md5 a6b3281b550ed8f30869d92db89a60cc
sha1 45ec0fbe26d939aff4f2692a48b53c34baa24e50
sha256 9f8ba51a34a0e277267193efa1addde55f4d6fd879d2d4f95cd16e8fcf9aaf9e
sha512 7d7e53b8337950ac07cadd2bba169daa03a09bb5f1b9950cd1e15fce179d20dc96760b88b8f7190d4e6d01ec41979d30c74fdfedd1d72986386c0c519df0f6e5
ripemd-160 7a8cacc16c87ff5e77568abf69792718d1ffc5a6

21490437 as geometric shapes

Circle

Radius = n
Diameter 42980874
Circumference 135028398.00327
Area 1.4509096402501E+15

Sphere

Radius = n
Volume 4.1574242955316E+22
Surface area 5.8036385610003E+15
Circumference 135028398.00327

Square

Length = n
Perimeter 85961748
Area 461838882450969
Diagonal 30392067.466725

Cube

Length = n
Surface area 2771033294705814
Volume 9.925119407463E+21
Space diagonal 37222528.760858

Equilateral Triangle

Length = n
Perimeter 64471311
Area 1.9998210232898E+14
Altitude 18611264.380429

Triangular Pyramid

Length = n
Surface area 1.9998210232898E+14
Volume 1.1696865395172E+21
Height 10130689.155575