21139943 (number)

21139943 is an odd 8-digits composite number following 21139942 and preceding 21139944. In scientific notation, it is written as 2.1139943 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19218120 positive integers (up to 21139943) that are relatively prime to 21139943.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139943 × 10^7
Engineering notation 2.1139943 × 10^6

Prime Factorization of 21139943

Prime Factorization 11 × 1921813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21139943
Product of the distinct prime numbers

The prime factorization of 21139943 is 11 × 1921813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21139943)

Multiplication

n×y
n×2 42279886
n×3 63419829
n×4 84559772
n×5 105699715

Division

n÷y
n÷2 10569971.5
n÷3 7046647.6666667
n÷3 5284985.75
n÷5 4227988.6

Exponentiation

ny
n2 446897190043249
n3 9.4473811243745E+21
n4 1.9971709846855E+29
n5 4.2220080777506E+36

Nth Root

y√n
2√n 4597.8193744426
3√n 276.50390597767
4√n 67.807222140732
5√n 29.175664913

Divisors of 21139943

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 -21139942
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 21139943 can be divided by 4 positive divisors. The sum of these divisors (counting 21139943) is 1, the average is 0.25.

Base conversion 21139943

Base System Value
2 Binary 1010000101001000111100111
3 Ternary 1110210000112212
4 Quaternary 1100221013213
5 Quinary 20402434233
6 Senary 2033034035
8 Octal 120510747
10 Decimal 21139943
12 Duodecimal 70b591b
16 Hexadecimal 14291e7
20 Vigesimal 6c29h3
36 Base36 cl3on

Cryptographic Hash Functions

md5 63f8c0a895ee0e7fb9c337f6388112fb
sha1 1afc7e0f878efe3d961a995a68d55ef9699cb0e8
sha256 dc44f124bd28a00b954edff51de17a002dc0e51ed8ed192619a0089f72e10554
sha512 11beddee9c624cf5897007bd7ed1406076ccd69ec64af7a42c8629728a29943705788252ac439a606c9451b61791c543eafd88ca9e592dedef7d588141dd4fe3
ripemd-160 bfd210ff466ae4ce9e40e2e1156989226ae135b0

21139943 as geometric shapes

Circle

Radius = n
Diameter 42279886
Circumference 132826179.25221
Area 1.4039689291498E+15

Sphere

Radius = n
Volume 3.9573097514664E+22
Surface area 5.6158757165992E+15
Circumference 132826179.25221

Square

Length = n
Perimeter 84559772
Area 446897190043249
Diagonal 29896394.098394

Cube

Length = n
Surface area 2681383140259494
Volume 9.4473811243745E+21
Space diagonal 36615455.34511

Equilateral Triangle

Length = n
Perimeter 63419829
Area 1.9351215972867E+14
Altitude 18307727.672555

Triangular Pyramid

Length = n
Surface area 1.9351215972867E+14
Volume 1.1133845429165E+21
Height 9965464.6994647