21439916 (number)

21439916 is an even 8-digits composite number following 21439915 and preceding 21439917. In scientific notation, it is written as 2.1439916 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10642560 positive integers (up to 21439916) that are relatively prime to 21439916.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-nine thousand nine hundred sixteen

Notation

Scientific notation 2.1439916 × 10^7
Engineering notation 2.1439916 × 10^6

Prime Factorization of 21439916

Prime Factorization 2 × 2 × 139 × 38561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10719958
Product of the distinct prime numbers

The prime factorization of 21439916 is 2 × 2 × 139 × 38561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 60, 61, 756, 299, 6211, 5519, 78955, 3130, 221671, 309256, 4294939, 2014206, 1779558, 94631276, 592662634, 814213755, 5133089240, 4014674623

Basic calculations (n = 21439916)

Multiplication

n×y
n×2 42879832
n×3 64319748
n×4 85759664
n×5 107199580

Division

n÷y
n÷2 10719958
n÷3 7146638.6666667
n÷3 5359979
n÷5 4287983.2

Exponentiation

ny
n2 459669998087056
n3 9.8552861467066E+21
n4 2.1129650714135E+29
n5 4.530179364204E+36

Nth Root

y√n
2√n 4630.3256904887
3√n 277.80561951451
4√n 68.046496533538
5√n 29.257998674433

Divisors of 21439916

1, 2, 4, 139, 278, 556, 38561, 77122, 154244, 5359979, 10719958, 21439916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21439915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21439916 can be divided by 12 positive divisors. The sum of these divisors (counting 21439916) is 1, the average is 0.083333333333333.

Base conversion 21439916

Base System Value
2 Binary 1010001110010010110101100
3 Ternary 1111100021000222
4 Quaternary 1101302112230
5 Quinary 20442034131
6 Senary 2043310512
8 Octal 121622654
10 Decimal 21439916
12 Duodecimal 721b438
16 Hexadecimal 14725ac
20 Vigesimal 6djjfg
36 Base36 crj58

Cryptographic Hash Functions

md5 80c029d5a05f1244fd137216d4c4cca9
sha1 0b311b37179217f201c671f1764e9203ea77f135
sha256 731b9903f3a48c18aaa9386cacc462c2c1876899131b66892e2778296236b946
sha512 3d28f1704a5c8726555ac01948e5671e25b31063aa0a427564177257f8b42522e351a06808248a3a6c5523431ea3705343d85943f06e4068a9441e3f6f422474
ripemd-160 88413851e47336737aa2e13e764c12d04a3b790b

21439916 as geometric shapes

Circle

Radius = n
Diameter 42879832
Circumference 134710965.19836
Area 1.4440958890659E+15

Sphere

Radius = n
Volume 4.1281726076692E+22
Surface area 5.7763835562637E+15
Circumference 134710965.19836

Square

Length = n
Perimeter 85759664
Area 459669998087056
Diagonal 30320619.98334

Cube

Length = n
Surface area 2758019988522336
Volume 9.8552861467066E+21
Space diagonal 37135023.822009

Equilateral Triangle

Length = n
Perimeter 64319748
Area 1.9904294785047E+14
Altitude 18567511.911004

Triangular Pyramid

Length = n
Surface area 1.9904294785047E+14
Volume 1.1614566108117E+21
Height 10106873.32778