21331639 (number)

21331639 is an odd 8-digits composite number following 21331638 and preceding 21331640. In scientific notation, it is written as 2.1331639 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17984160 positive integers (up to 21331639) that are relatively prime to 21331639.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred thirty-one thousand six hundred thirty-nine

Notation

Scientific notation 2.1331639 × 10^7
Engineering notation 2.1331639 × 10^6

Prime Factorization of 21331639

Prime Factorization 7 × 61 × 49957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21331639
Product of the distinct prime numbers

The prime factorization of 21331639 is 7 × 61 × 49957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21331639)

Multiplication

n×y
n×2 42663278
n×3 63994917
n×4 85326556
n×5 106658195

Division

n÷y
n÷2 10665819.5
n÷3 7110546.3333333
n÷3 5332909.75
n÷5 4266327.8

Exponentiation

ny
n2 455038822426321
n3 9.7067238909834E+21
n4 2.0706032991513E+29
n5 4.4169362089705E+36

Nth Root

y√n
2√n 4618.6187329114
3√n 277.33716713887
4√n 67.960420340897
5√n 29.228386735658

Divisors of 21331639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21331638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21331639 can be divided by 8 positive divisors. The sum of these divisors (counting 21331639) is 1, the average is 0.125.

Base conversion 21331639

Base System Value
2 Binary 1010001010111111010110111
3 Ternary 1111010202111201
4 Quaternary 1101113322313
5 Quinary 20430103024
6 Senary 2041113331
8 Octal 121277267
10 Decimal 21331639
12 Duodecimal 7188847
16 Hexadecimal 1457eb7
20 Vigesimal 6d691j
36 Base36 cp7lj

Cryptographic Hash Functions

md5 dc48e49b76e0997656e222edbc0927c3
sha1 b086aa9acf830c8f30c76db5dca4a7ef1fe904a2
sha256 29c45137d5bd3cbc5f32c94795876449322ab469c4de58b0773e0acb5dc559b0
sha512 7bd7debfc05ba5ac8ffa2bc93686c1706006561a878452275ecd86e4b1e8cc5adb430eeec144c8ef0ad629434772a88398b52e8d0427a5e71c38d546ba1a5c39
ripemd-160 470b6656e7ae01c69eb9dbdbaa118cd6e1e68854

21331639 as geometric shapes

Circle

Radius = n
Diameter 42663278
Circumference 134030640.74286
Area 1.4295466216327E+15

Sphere

Radius = n
Volume 4.0659429955117E+22
Surface area 5.7181864865307E+15
Circumference 134030640.74286

Square

Length = n
Perimeter 85326556
Area 455038822426321
Diagonal 30167493.181447

Cube

Length = n
Surface area 2730232934557926
Volume 9.7067238909834E+21
Space diagonal 36947482.556718

Equilateral Triangle

Length = n
Perimeter 63994917
Area 1.9703758996468E+14
Altitude 18473741.278359

Triangular Pyramid

Length = n
Surface area 1.9703758996468E+14
Volume 1.14394838107E+21
Height 10055831.060482