21139988 (number)

21139988 is an even 8-digits composite number following 21139987 and preceding 21139989. In scientific notation, it is written as 2.1139988 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 10560792 positive integers (up to 21139988) that are relatively prime to 21139988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139988 × 10^7
Engineering notation 2.1139988 × 10^6

Prime Factorization of 21139988

Prime Factorization 2 × 2 × 2203 × 2399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10569994
Product of the distinct prime numbers

The prime factorization of 21139988 is 2 × 2 × 2203 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 4, 26, 333, 724, 2896, 2871, 67718, 88500, 717441, 789678, 7235990, 5981233, 38317592, 72948416, 356709189, 420714704, 3753028222, 6352764352

Basic calculations (n = 21139988)

Multiplication

n×y
n×2 42279976
n×3 63419964
n×4 84559952
n×5 105699940

Division

n÷y
n÷2 10569994
n÷3 7046662.6666667
n÷3 5284997
n÷5 4227997.6

Exponentiation

ny
n2 446899092640144
n3 9.4474414556235E+21
n4 1.9971879900258E+29
n5 4.222053014289E+36

Nth Root

y√n
2√n 4597.8242680642
3√n 276.50410217289
4√n 67.807258225534
5√n 29.175677334072

Divisors of 21139988

1, 2, 4, 2203, 2399, 4406, 4798, 8812, 9596, 5284997, 10569994, 21139988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21139987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21139988 can be divided by 12 positive divisors. The sum of these divisors (counting 21139988) is 1, the average is 0.083333333333333.

Base conversion 21139988

Base System Value
2 Binary 1010000101001001000010100
3 Ternary 1110210000121112
4 Quaternary 1100221020110
5 Quinary 20402434423
6 Senary 2033034152
8 Octal 120511024
10 Decimal 21139988
12 Duodecimal 70b5958
16 Hexadecimal 1429214
20 Vigesimal 6c29j8
36 Base36 cl3pw

Cryptographic Hash Functions

md5 b9cbc7042da3249b83ee8da688903359
sha1 02ea56772f26abaaf579ed5f658975176a2967a0
sha256 a807a33d1208db56fb94bb32cedf61c956fc9c195d3e54546aea1dcd09b745c5
sha512 1e4258eb5558bd78799727ce018cdc365060dfb5af26af552d1520d93d87de2a11ef8f7337a0c69acde79bef8435ad6f58652a1b51c091728e6580eef2a4344a
ripemd-160 8a294770ea1803f613d89795b03189668e0b76bc

21139988 as geometric shapes

Circle

Radius = n
Diameter 42279976
Circumference 132826461.99555
Area 1.4039749063342E+15

Sphere

Radius = n
Volume 3.9573350229609E+22
Surface area 5.6158996253369E+15
Circumference 132826461.99555

Square

Length = n
Perimeter 84559952
Area 446899092640144
Diagonal 29896457.738004

Cube

Length = n
Surface area 2681394555840864
Volume 9.4474414556235E+21
Space diagonal 36615533.287396

Equilateral Triangle

Length = n
Perimeter 63419964
Area 1.9351298357729E+14
Altitude 18307766.643698

Triangular Pyramid

Length = n
Surface area 1.9351298357729E+14
Volume 1.1133916530224E+21
Height 9965485.9126682