21139956 (number)

21139956 is an even 8-digits composite number following 21139955 and preceding 21139957. In scientific notation, it is written as 2.1139956 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6803328 positive integers (up to 21139956) that are relatively prime to 21139956.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-nine thousand nine hundred fifty-six

Notation

Scientific notation 2.1139956 × 10^7
Engineering notation 2.1139956 × 10^6

Prime Factorization of 21139956

Prime Factorization 2 × 2 × 87 × 3 × 20249

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10569978
Product of the distinct prime numbers

The prime factorization of 21139956 is 2 × 2 × 87 × 3 × 20249. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 83, 1, 14, 355, 7524, 181, 52802, 84195, 915738, 17473, 6742315, 9580832, 63693796, 65829780, 791928134, 602507309, 2471074946, 414018487

Basic calculations (n = 21139956)

Multiplication

n×y
n×2 42279912
n×3 63419868
n×4 84559824
n×5 105699780

Division

n÷y
n÷2 10569978
n÷3 7046652
n÷3 5284989
n÷5 4227991.2

Exponentiation

ny
n2 446897739681936
n3 9.4473985533756E+21
n4 1.9971758973282E+29
n5 4.2220210593779E+36

Nth Root

y√n
2√n 4597.8207881561
3√n 276.50396265632
4√n 67.807232565236
5√n 29.175668501312

Divisors of 21139956

1, 2, 3, 4, 6, 12, 87, 174, 261, 348, 522, 1044, 20249, 40498, 60747, 80996, 121494, 242988, 1761663, 3523326, 5284989, 7046652, 10569978, 21139956

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 -21139955
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 21139956 can be divided by 24 positive divisors. The sum of these divisors (counting 21139956) is 1, the average is 0.041666666666667.

Base conversion 21139956

Base System Value
2 Binary 1010000101001000111110100
3 Ternary 1110210000120100
4 Quaternary 1100221013310
5 Quinary 20402434311
6 Senary 2033034100
8 Octal 120510764
10 Decimal 21139956
12 Duodecimal 70b5930
16 Hexadecimal 14291f4
20 Vigesimal 6c29hg
36 Base36 cl3p0

Cryptographic Hash Functions

md5 7194df9816211c05531ca39719966876
sha1 ce3ef71c5be6bf5fe78ca2467609b143b6810403
sha256 141ab71b39ff94a9884bf5013c16b89311f5ff25b3d88e42bf502aedd92c60b1
sha512 369a870b6d5937db59b9d0ccc477dc72581dd118e9e61fd6c58002efd462ef2d71cd1002ce11f303b8bfc2248a76d7962176635c8ae204e959419c6a23083964
ripemd-160 c4631541ce9b2c503e6028c434dc22ecde9ca606

21139956 as geometric shapes

Circle

Radius = n
Diameter 42279912
Circumference 132826260.93362
Area 1.4039706558907E+15

Sphere

Radius = n
Volume 3.9573170521093E+22
Surface area 5.6158826235626E+15
Circumference 132826260.93362

Square

Length = n
Perimeter 84559824
Area 446897739681936
Diagonal 29896412.48317

Cube

Length = n
Surface area 2681386438091616
Volume 9.4473985533756E+21
Space diagonal 36615477.861771

Equilateral Triangle

Length = n
Perimeter 63419868
Area 1.935123977292E+14
Altitude 18307738.930885

Triangular Pyramid

Length = n
Surface area 1.935123977292E+14
Volume 1.113386596944E+21
Height 9965470.8277235