21379939 (number)

21379939 is an odd 8-digits composite number following 21379938 and preceding 21379940. In scientific notation, it is written as 2.1379939 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 17942400 positive integers (up to 21379939) that are relatively prime to 21379939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1379939 × 10^7
Engineering notation 2.1379939 × 10^6

Prime Factorization of 21379939

Prime Factorization 7 × 113 × 151 × 179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21379939
Product of the distinct prime numbers

The prime factorization of 21379939 is 7 × 113 × 151 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 48, 49, 63, 668, 5554, 7521, 62318, 50984, 97739, 540831, 4108880, 2329060, 85165229, 53892571, 386157239, 968224819, 4640678604, 2408722147

Basic calculations (n = 21379939)

Multiplication

n×y
n×2 42759878
n×3 64139817
n×4 85519756
n×5 106899695

Division

n÷y
n÷2 10689969.5
n÷3 7126646.3333333
n÷3 5344984.75
n÷5 4275987.8

Exponentiation

ny
n2 457101791643721
n3 9.7728084221335E+21
n4 2.089420479239E+29
n5 4.4671682391481E+36

Nth Root

y√n
2√n 4623.844612441
3√n 277.5463288718
4√n 67.99885743482
5√n 29.241610794185

Divisors of 21379939

1, 7, 113, 151, 179, 791, 1057, 1253, 17063, 20227, 27029, 119441, 141589, 189203, 3054277, 21379939

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21379938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379939 can be divided by 16 positive divisors. The sum of these divisors (counting 21379939) is 1, the average is 0.0625.

Base conversion 21379939

Base System Value
2 Binary 1010001100011101101100011
3 Ternary 1111020012202121
4 Quaternary 1101203231203
5 Quinary 20433124224
6 Senary 2042125111
8 Octal 121435543
10 Decimal 21379939
12 Duodecimal 71b0797
16 Hexadecimal 1463b63
20 Vigesimal 6dc9gj
36 Base36 cq8v7

Cryptographic Hash Functions

md5 99b87359574de37f4bff2056603eefba
sha1 2fc822082889cb6f254e9253ef60f5a2eadf593a
sha256 c512d513991fddb8aae875c0248d6c63a1f4bbc1a5a0683563729d67472538c8
sha512 77a7a3474091b4bc29c257e2ae36a8a094a8911c4874be6035cb6c3df2decfefedec82109d2877e51b19e3acd7046e8dc77cea7d2c72c7dfc1f514cf92c23e4f
ripemd-160 8fa4ec8f7506e68810733c6cbe59d96c936c738b

21379939 as geometric shapes

Circle

Radius = n
Diameter 42759878
Circumference 134334118.5932
Area 1.4360276305706E+15

Sphere

Radius = n
Volume 4.0936244191887E+22
Surface area 5.7441105222826E+15
Circumference 134334118.5932

Square

Length = n
Perimeter 85519756
Area 457101791643721
Diagonal 30235799.696509

Cube

Length = n
Surface area 2742610749862326
Volume 9.7728084221335E+21
Space diagonal 37031140.610723

Equilateral Triangle

Length = n
Perimeter 64139817
Area 1.9793088183942E+14
Altitude 18515570.305362

Triangular Pyramid

Length = n
Surface area 1.9793088183942E+14
Volume 1.1517365177546E+21
Height 10078599.898836