21909730 (number)

21909730 is an even 8-digits composite number following 21909729 and preceding 21909731. In scientific notation, it is written as 2.1909730 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8751600 positive integers (up to 21909730) that are relatively prime to 21909730.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand seven hundred thirty

Notation

Scientific notation 2.1909730 × 10^7
Engineering notation 2.1909730 × 10^6

Prime Factorization of 21909730

Prime Factorization 2 × 5 × 1123 × 1951

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21909730
Product of the distinct prime numbers

The prime factorization of 21909730 is 2 × 5 × 1123 × 1951. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 12, 45, 121, 813, 1839, 1514, 89662, 29771, 736856, 139478, 3210470, 4514023, 74084462, 97241057, 803194745, 129029765, 9316542716, 1015027751

Basic calculations (n = 21909730)

Multiplication

n×y
n×2 43819460
n×3 65729190
n×4 87638920
n×5 109548650

Division

n÷y
n÷2 10954865
n÷3 7303243.3333333
n÷3 5477432.5
n÷5 4381946

Exponentiation

ny
n2 480036268672900
n3 1.0517465036831E+22
n4 2.304348192414E+29
n5 5.0487646721779E+36

Nth Root

y√n
2√n 4680.7830541481
3√n 279.82016513491
4√n 68.416248465902
5√n 29.385115706795

Divisors of 21909730

1, 2, 5, 10, 1123, 1951, 2246, 3902, 5615, 9755, 11230, 19510, 2190973, 4381946, 10954865, 21909730

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 -21909729
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 21909730 can be divided by 16 positive divisors. The sum of these divisors (counting 21909730) is 1, the average is 0.0625.

Base conversion 21909730

Base System Value
2 Binary 1010011100101000011100010
3 Ternary 1112020010111111
4 Quaternary 1103211003202
5 Quinary 21102102410
6 Senary 2101333534
8 Octal 123450342
10 Decimal 21909730
12 Duodecimal 74072aa
16 Hexadecimal 14e50e2
20 Vigesimal 6gie6a
36 Base36 d1lnm

Cryptographic Hash Functions

md5 472d5c9b4fa52179b7559fa0d80e901e
sha1 3cd245118cde833e9831df9f8d08642aaaa19c45
sha256 00d7c38a2697b014192ee20c832c298ad6391cbd401472bb1988bfb49cd241b7
sha512 ccc7a4d7c1daa0ab8dd72b31edc46d395f64cb1efe212e17235ff0a6f5ea5471e254652f3399ecb549d59bd782034eb1af46cd5d2974797ac15861caf5506ac9
ripemd-160 27ddc233d43e194bddbd71295715c8cc287d26fb

21909730 as geometric shapes

Circle

Radius = n
Diameter 43819460
Circumference 137662893.62027
Area 1.5080784151194E+15

Sphere

Radius = n
Volume 4.405545452546E+22
Surface area 6.0323136604778E+15
Circumference 137662893.62027

Square

Length = n
Perimeter 87638920
Area 480036268672900
Diagonal 30985037.313933

Cube

Length = n
Surface area 2880217612037400
Volume 1.0517465036831E+22
Space diagonal 37948765.540116

Equilateral Triangle

Length = n
Perimeter 65729190
Area 2.0786180170431E+14
Altitude 18974382.770058

Triangular Pyramid

Length = n
Surface area 2.0786180170431E+14
Volume 1.2394951414059E+21
Height 10328345.771311