21139928 (number)

21139928 is an even 8-digits composite number following 21139927 and preceding 21139929. In scientific notation, it is written as 2.1139928 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 10312000 positive integers (up to 21139928) that are relatively prime to 21139928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139928 × 10^7
Engineering notation 2.1139928 × 10^6

Prime Factorization of 21139928

Prime Factorization 2 × 2 × 2 × 41 × 64451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5284982
Product of the distinct prime numbers

The prime factorization of 21139928 is 2 × 2 × 2 × 41 × 64451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 29, 6, 380, 546, 4422, 6955, 82835, 63639, 131958, 392618, 9579754, 6026159, 33894939, 53592437, 35216993, 260784059, 9572678967, 8354550842

Basic calculations (n = 21139928)

Multiplication

n×y
n×2 42279856
n×3 63419784
n×4 84559712
n×5 105699640

Division

n÷y
n÷2 10569964
n÷3 7046642.6666667
n÷3 5284982
n÷5 4227985.6

Exponentiation

ny
n2 446896555845184
n3 9.4473610140152E+21
n4 1.9971653162629E+29
n5 4.2219930989894E+36

Nth Root

y√n
2√n 4597.8177432343
3√n 276.50384057921
4√n 67.807210112453
5√n 29.175660772638

Divisors of 21139928

1, 2, 4, 8, 41, 82, 164, 328, 64451, 128902, 257804, 515608, 2642491, 5284982, 10569964, 21139928

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 -21139927
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 21139928 can be divided by 16 positive divisors. The sum of these divisors (counting 21139928) is 1, the average is 0.0625.

Base conversion 21139928

Base System Value
2 Binary 1010000101001000111011000
3 Ternary 1110210000112022
4 Quaternary 1100221013120
5 Quinary 20402434203
6 Senary 2033034012
8 Octal 120510730
10 Decimal 21139928
12 Duodecimal 70b5908
16 Hexadecimal 14291d8
20 Vigesimal 6c29g8
36 Base36 cl3o8

Cryptographic Hash Functions

md5 959a9597a43252ac2d8604dddaaebfcc
sha1 043fe54a88934cd7a8c31875afc12297a58995d3
sha256 1efbcd8643fff82b3730093088e9757bbb8b3de5fb6af0585ec4be83d67fbad9
sha512 0488a643afe31d34473124ef110b7ad760bee082151d56fef1dce7e91c845862288ee088d0f116a8f9a2482d265804374cbd2adfdfc2dd0c81a597b3d669ea52
ripemd-160 e8d4af36ab3224049da74f45103bf611b899470d

21139928 as geometric shapes

Circle

Radius = n
Diameter 42279856
Circumference 132826085.00443
Area 1.4039669367578E+15

Sphere

Radius = n
Volume 3.9573013276588E+22
Surface area 5.6158677470312E+15
Circumference 132826085.00443

Square

Length = n
Perimeter 84559712
Area 446896555845184
Diagonal 29896372.885191

Cube

Length = n
Surface area 2681379335071104
Volume 9.4473610140152E+21
Space diagonal 36615429.364348

Equilateral Triangle

Length = n
Perimeter 63419784
Area 1.9351188511285E+14
Altitude 18307714.682174

Triangular Pyramid

Length = n
Surface area 1.9351188511285E+14
Volume 1.1133821728879E+21
Height 9965457.6283969