21491630 (number)

21491630 is an even 8-digits composite number following 21491629 and preceding 21491631. In scientific notation, it is written as 2.1491630 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 8578752 positive integers (up to 21491630) that are relatively prime to 21491630.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491630 × 10^7
Engineering notation 2.1491630 × 10^6

Prime Factorization of 21491630

Prime Factorization 2 × 5 × 547 × 3929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491630
Product of the distinct prime numbers

The prime factorization of 21491630 is 2 × 5 × 547 × 3929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 84, 77, 785, 225, 5982, 7671, 33782, 79476, 27336, 634651, 1658640, 1225630, 72133965, 63589255, 710056395, 98541311, 6857841902, 6325234103

Basic calculations (n = 21491630)

Multiplication

n×y
n×2 42983260
n×3 64474890
n×4 85966520
n×5 107458150

Division

n÷y
n÷2 10745815
n÷3 7163876.6666667
n÷3 5372907.5
n÷5 4298326

Exponentiation

ny
n2 461890160056900
n3 9.9267724205837E+21
n4 2.1334251995739E+29
n5 4.5850785021918E+36

Nth Root

y√n
2√n 4635.9065995768
3√n 278.02879987332
4√n 68.087492240329
5√n 29.272099386746

Divisors of 21491630

1, 2, 5, 10, 547, 1094, 2735, 3929, 5470, 7858, 19645, 39290, 2149163, 4298326, 10745815, 21491630

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 -21491629
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 21491630 can be divided by 16 positive divisors. The sum of these divisors (counting 21491630) is 1, the average is 0.0625.

Base conversion 21491630

Base System Value
2 Binary 1010001111110111110101110
3 Ternary 1111102212222022
4 Quaternary 1101332332232
5 Quinary 21000213010
6 Senary 2044350142
8 Octal 121767656
10 Decimal 21491630
12 Duodecimal 7245352
16 Hexadecimal 147efae
20 Vigesimal 6e691a
36 Base36 csn1q

Cryptographic Hash Functions

md5 771f98f59de6d407bea22040eb43e16e
sha1 8d737fc5d9f1b2a548f526ed163e1cc9bae8d8f7
sha256 13e3028dc6f09e1a1e31fe07c852a65b17d2c2d7258749e5011bde5014b2f43a
sha512 d90d22c71a554a43ef3c1b32ba0d7a4b85b31ea3f264ce5ffca45f929a57a48c7e5016e9069b6d62d154dc68906644a5056601364701d93ac5a335c77735234d
ripemd-160 eaf31ea48dda8aa998780f7f6c06882614e2a76b

21491630 as geometric shapes

Circle

Radius = n
Diameter 42983260
Circumference 135035893.84334
Area 1.4510707336002E+15

Sphere

Radius = n
Volume 4.1581167080485E+22
Surface area 5.8042829344007E+15
Circumference 135035893.84334

Square

Length = n
Perimeter 85966520
Area 461890160056900
Diagonal 30393754.623504

Cube

Length = n
Surface area 2771340960341400
Volume 9.9267724205837E+21
Space diagonal 37224595.097472

Equilateral Triangle

Length = n
Perimeter 64474890
Area 2.0000430618367E+14
Altitude 18612297.548736

Triangular Pyramid

Length = n
Surface area 2.0000430618367E+14
Volume 1.1698813489817E+21
Height 10131251.541168