21969940 (number)

21969940 is an even 8-digits composite number following 21969939 and preceding 21969941. In scientific notation, it is written as 2.1969940 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 8770080 positive integers (up to 21969940) that are relatively prime to 21969940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1969940 × 10^7
Engineering notation 2.1969940 × 10^6

Prime Factorization of 21969940

Prime Factorization 2 × 2 × 5 × 727 × 1511

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10984970
Product of the distinct prime numbers

The prime factorization of 21969940 is 2 × 2 × 5 × 727 × 1511. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 34, 65, 29, 586, 7955, 6555, 65537, 91102, 816888, 290340, 4478463, 7211205, 31245557, 59702831, 465219684, 303831792, 5108153598, 1066190993

Basic calculations (n = 21969940)

Multiplication

n×y
n×2 43939880
n×3 65909820
n×4 87879760
n×5 109849700

Division

n÷y
n÷2 10984970
n÷3 7323313.3333333
n÷3 5492485
n÷5 4393988

Exponentiation

ny
n2 482678263603600
n3 1.0604412490675E+22
n4 2.3297830615539E+29
n5 5.1185194075355E+36

Nth Root

y√n
2√n 4687.2102577119
3√n 280.07625474123
4√n 68.463203676953
5√n 29.401248595339

Divisors of 21969940

1, 2, 4, 5, 10, 20, 727, 1454, 1511, 2908, 3022, 3635, 6044, 7270, 7555, 14540, 15110, 30220, 1098497, 2196994, 4393988, 5492485, 10984970, 21969940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21969939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21969940 can be divided by 24 positive divisors. The sum of these divisors (counting 21969940) is 1, the average is 0.041666666666667.

Base conversion 21969940

Base System Value
2 Binary 1010011110011110000010100
3 Ternary 1112100012002111
4 Quaternary 1103303300110
5 Quinary 21111014230
6 Senary 2102520404
8 Octal 123636024
10 Decimal 21969940
12 Duodecimal 7436104
16 Hexadecimal 14f3c14
20 Vigesimal 6h64h0
36 Base36 d2w44

Cryptographic Hash Functions

md5 65f7f4b56c1836127e3e5c126f7a7bd9
sha1 f958a2d243607c4630fc5273bb0b8f5edb0ebaac
sha256 f390875878101427cadbec49c7897f982e33c3f4bf8ca576ee6dcf19e3d70ae7
sha512 b474692685f37d900ca0fbef42b0580f376edd008c2c30f75f2c4b37c43ebe362cfa441bd35d4733c971517b54d3ae06534ca3a37df077ffb6a22829d110bfcb
ripemd-160 b244c6fa9d749a14601c74e132ba4394585091d0

21969940 as geometric shapes

Circle

Radius = n
Diameter 43939880
Circumference 138041204.20762
Area 1.5163784869845E+15

Sphere

Radius = n
Volume 4.4419659168455E+22
Surface area 6.0655139479382E+15
Circumference 138041204.20762

Square

Length = n
Perimeter 87879760
Area 482678263603600
Diagonal 31070187.112523

Cube

Length = n
Surface area 2896069581621600
Volume 1.0604412490675E+22
Space diagonal 38053052.31924

Equilateral Triangle

Length = n
Perimeter 65909820
Area 2.0900581906764E+14
Altitude 19026526.15962

Triangular Pyramid

Length = n
Surface area 2.0900581906764E+14
Volume 1.2497419971093E+21
Height 10356729.037508