21969939 (number)

21969939 is an odd 8-digits composite number following 21969938 and preceding 21969940. In scientific notation, it is written as 2.1969939 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 14646624 positive integers (up to 21969939) that are relatively prime to 21969939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1969939 × 10^7
Engineering notation 2.1969939 × 10^6

Prime Factorization of 21969939

Prime Factorization 3 × 7323313

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21969939
Product of the distinct prime numbers

The prime factorization of 21969939 is 3 × 7323313. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21969939)

Multiplication

n×y
n×2 43939878
n×3 65909817
n×4 87879756
n×5 109849695

Division

n÷y
n÷2 10984969.5
n÷3 7323313
n÷3 5492484.75
n÷5 4393987.8

Exponentiation

ny
n2 482678219663721
n3 1.0604411042641E+22
n4 2.3297826373774E+29
n5 5.118518242644E+36

Nth Root

y√n
2√n 4687.2101510387
3√n 280.07625049184
4√n 68.463202897897
5√n 29.401248327689

Divisors of 21969939

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21969938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21969939 can be divided by 4 positive divisors. The sum of these divisors (counting 21969939) is 1, the average is 0.25.

Base conversion 21969939

Base System Value
2 Binary 1010011110011110000010011
3 Ternary 1112100012002110
4 Quaternary 1103303300103
5 Quinary 21111014224
6 Senary 2102520403
8 Octal 123636023
10 Decimal 21969939
12 Duodecimal 7436103
16 Hexadecimal 14f3c13
20 Vigesimal 6h64gj
36 Base36 d2w43

Cryptographic Hash Functions

md5 a0065c56894a55326aaa045e9b3ab517
sha1 0daf22381a76b3f7dc9d8558c6bd25d6cb7ac27e
sha256 10ad2cb40253ebdbf6a323cb98c0498a020ac3766b16f402649bfa6cd8521a59
sha512 1a0b961ca6455005e876dd0535bf61b1e7edb2a98670a606de711706e09d02279bebeb7fbe4270a3132908ea37fb6020931d5b6ad3f4c84bb23c72a37a06a1c3
ripemd-160 af50837555877c921fb5d62523b51f0099258283

21969939 as geometric shapes

Circle

Radius = n
Diameter 43939878
Circumference 138041197.92443
Area 1.5163783489433E+15

Sphere

Radius = n
Volume 4.4419653102941E+22
Surface area 6.0655133957734E+15
Circumference 138041197.92443

Square

Length = n
Perimeter 87879756
Area 482678219663721
Diagonal 31070185.69831

Cube

Length = n
Surface area 2896069317982326
Volume 1.0604411042641E+22
Space diagonal 38053050.587189

Equilateral Triangle

Length = n
Perimeter 65909817
Area 2.0900580004111E+14
Altitude 19026525.293594

Triangular Pyramid

Length = n
Surface area 2.0900580004111E+14
Volume 1.2497418264568E+21
Height 10356728.566103