21490430 (number)

21490430 is an even 8-digits composite number following 21490429 and preceding 21490431. In scientific notation, it is written as 2.1490430 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 7934880 positive integers (up to 21490430) that are relatively prime to 21490430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490430 × 10^7
Engineering notation 2.1490430 × 10^6

Prime Factorization of 21490430

Prime Factorization 2 × 5 × 13 × 165311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490430
Product of the distinct prime numbers

The prime factorization of 21490430 is 2 × 5 × 13 × 165311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 19, 41, 242, 852, 7208, 6128, 64055, 86976, 671792, 882755, 1229821, 7411065, 77786749, 38732555, 40840196, 191175640, 4343055120, 2441844626

Basic calculations (n = 21490430)

Multiplication

n×y
n×2 42980860
n×3 64471290
n×4 85961720
n×5 107452150

Division

n÷y
n÷2 10745215
n÷3 7163476.6666667
n÷3 5372607.5
n÷5 4298086

Exponentiation

ny
n2 461838581584900
n3 9.9251097088496E+21
n4 2.1329487544035E+29
n5 4.5837985900096E+36

Nth Root

y√n
2√n 4635.7771732472
3√n 278.02362513367
4√n 68.086541792393
5√n 29.271772493869

Divisors of 21490430

1, 2, 5, 10, 13, 26, 65, 130, 165311, 330622, 826555, 1653110, 2149043, 4298086, 10745215, 21490430

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 -21490429
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 21490430 can be divided by 16 positive divisors. The sum of these divisors (counting 21490430) is 1, the average is 0.0625.

Base conversion 21490430

Base System Value
2 Binary 1010001111110101011111110
3 Ternary 1111102211022212
4 Quaternary 1101332223332
5 Quinary 21000143210
6 Senary 2044340422
8 Octal 121765376
10 Decimal 21490430
12 Duodecimal 7244712
16 Hexadecimal 147eafe
20 Vigesimal 6e661a
36 Base36 csm4e

Cryptographic Hash Functions

md5 6e014efd3b3379e3a79f34dddf6376bd
sha1 3f9b50ad4eb051cfb56ba26599d8794ad6aa70b0
sha256 db5122a81fd894c0bfbe354685b59a366af634b58ce994b7439fa0804e09a195
sha512 ad0e636c4886ca1274e2aadd2d27ed109e3269aa2fca0950106121c54a442acc66612fa1416c40b8a78a7e018775f6beee73485201a04cf22bd835cedeac8757
ripemd-160 4383ce6cfbe426e4973028d62ba5dc72e6ee14b6

21490430 as geometric shapes

Circle

Radius = n
Diameter 42980860
Circumference 135028354.02097
Area 1.4509086950515E+15

Sphere

Radius = n
Volume 4.1574202329859E+22
Surface area 5.8036347802058E+15
Circumference 135028354.02097

Square

Length = n
Perimeter 85961720
Area 461838581584900
Diagonal 30392057.56723

Cube

Length = n
Surface area 2771031489509400
Volume 9.9251097088496E+21
Space diagonal 37222516.636502

Equilateral Triangle

Length = n
Perimeter 64471290
Area 1.9998197205015E+14
Altitude 18611258.318251

Triangular Pyramid

Length = n
Surface area 1.9998197205015E+14
Volume 1.1696853965247E+21
Height 10130685.855743