21821982 (number)

21821982 is an even 8-digits composite number following 21821981 and preceding 21821983. In scientific notation, it is written as 2.1821982 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 5414400 positive integers (up to 21821982) that are relatively prime to 21821982.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred twenty-one thousand nine hundred eighty-two

Notation

Scientific notation 2.1821982 × 10^7
Engineering notation 2.1821982 × 10^6

Prime Factorization of 21821982

Prime Factorization 2 × 51 × 13 × 7 × 2351

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21821982
Product of the distinct prime numbers

The prime factorization of 21821982 is 2 × 51 × 13 × 7 × 2351. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 60, 100, 170, 151, 2216, 8165, 33690, 97989, 266623, 479660, 2320310, 119143, 63547278, 9238521, 123298177, 670599704, 7767113008, 1924291930

Basic calculations (n = 21821982)

Multiplication

n×y
n×2 43643964
n×3 65465946
n×4 87287928
n×5 109109910

Division

n÷y
n÷2 10910991
n÷3 7273994
n÷3 5455495.5
n÷5 4364396.4

Exponentiation

ny
n2 476198898408324
n3 1.0391603789486E+22
n4 2.267653908453E+29
n5 4.9484702772491E+36

Nth Root

y√n
2√n 4671.4004324185
3√n 279.44610739984
4√n 68.347643941972
5√n 29.361540557324

Divisors of 21821982

1, 2, 7, 13, 14, 26, 51, 91, 102, 182, 357, 663, 714, 1326, 2351, 4641, 4702, 9282, 16457, 30563, 32914, 61126, 119901, 213941, 239802, 427882, 839307, 1558713, 1678614, 3117426, 10910991, 21821982

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21821981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21821982 can be divided by 32 positive divisors. The sum of these divisors (counting 21821982) is 1, the average is 0.03125.

Base conversion 21821982

Base System Value
2 Binary 1010011001111101000011110
3 Ternary 1112001200010120
4 Quaternary 1103033220132
5 Quinary 21041300412
6 Senary 2055415410
8 Octal 123175036
10 Decimal 21821982
12 Duodecimal 7384566
16 Hexadecimal 14cfa1e
20 Vigesimal 6g7ej2
36 Base36 czpy6

Cryptographic Hash Functions

md5 3126605496dc9f91462094683ef130b0
sha1 f493156e13907e813a04f77f3901f7e29c7efdeb
sha256 68fae1278bb2cb6b27ded19b50396208304791487b64555001d33ace5e5ea87f
sha512 ab09d74d6c2fc576025cd05896f0c9e2d0de86d837dd13397c9bc4f93a3d140ae9b35e879b962798e9b4ab47b295656e0c1f08feddda35c071409ec035cce9f2
ripemd-160 39774759131a824e0bdeae86b669194d34e64ea7

21821982 as geometric shapes

Circle

Radius = n
Diameter 43643964
Circumference 137111556.67594
Area 1.4960229608871E+15

Sphere

Radius = n
Volume 4.3528248165421E+22
Surface area 5.9840918435486E+15
Circumference 137111556.67594

Square

Length = n
Perimeter 87287928
Area 476198898408324
Diagonal 30860942.902262

Cube

Length = n
Surface area 2857193390449944
Volume 1.0391603789486E+22
Space diagonal 37796781.545854

Equilateral Triangle

Length = n
Perimeter 65465946
Area 2.0620017163789E+14
Altitude 18898390.772927

Triangular Pyramid

Length = n
Surface area 2.0620017163789E+14
Volume 1.2246622511583E+21
Height 10286980.967421