21139940 (number)

21139940 is an even 8-digits composite number following 21139939 and preceding 21139941. In scientific notation, it is written as 2.1139940 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 8421728 positive integers (up to 21139940) that are relatively prime to 21139940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139940 × 10^7
Engineering notation 2.1139940 × 10^6

Prime Factorization of 21139940

Prime Factorization 2 × 2 × 5 × 263 × 4019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10569970
Product of the distinct prime numbers

The prime factorization of 21139940 is 2 × 2 × 5 × 263 × 4019. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 66, 48, 708, 261, 3784, 625, 77082, 6919, 573179, 349068, 9959897, 1185773, 22993433, 11840075, 543946100, 312163373, 2828338141, 9599215228

Basic calculations (n = 21139940)

Multiplication

n×y
n×2 42279880
n×3 63419820
n×4 84559760
n×5 105699700

Division

n÷y
n÷2 10569970
n÷3 7046646.6666667
n÷3 5284985
n÷5 4227988

Exponentiation

ny
n2 446897063203600
n3 9.4473771023003E+21
n4 1.997169851E+29
n5 4.2220050819949E+36

Nth Root

y√n
2√n 4597.819048201
3√n 276.50389289798
4√n 67.807219735077
5√n 29.175664084928

Divisors of 21139940

1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4019, 5260, 8038, 16076, 20095, 40190, 80380, 1056997, 2113994, 4227988, 5284985, 10569970, 21139940

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 -21139939
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 21139940 can be divided by 24 positive divisors. The sum of these divisors (counting 21139940) is 1, the average is 0.041666666666667.

Base conversion 21139940

Base System Value
2 Binary 1010000101001000111100100
3 Ternary 1110210000112202
4 Quaternary 1100221013210
5 Quinary 20402434230
6 Senary 2033034032
8 Octal 120510744
10 Decimal 21139940
12 Duodecimal 70b5918
16 Hexadecimal 14291e4
20 Vigesimal 6c29h0
36 Base36 cl3ok

Cryptographic Hash Functions

md5 5e5f1c4cf76bb57eee2c75d3f4ea244c
sha1 4927b91ddeb3ff9c36d1156f850940006a0f5420
sha256 4ecd13d5b8c50fd5e06454b0e728b84164db1b37af88779223d7b59cf1062731
sha512 006ccf1399a1dd97d3fea5701f5575fefb1cd1c78bf3a23e72b10ac60c17b6feed3e33f02fb1978c37ab73d2dff8a7ccd3f4a0396ec91a14e0c60e4ecb0c513a
ripemd-160 9ad9a2f18a92023f937d684f43f637d68fc5cdcc

21139940 as geometric shapes

Circle

Radius = n
Diameter 42279880
Circumference 132826160.40266
Area 1.4039685306713E+15

Sphere

Radius = n
Volume 3.9573080667039E+22
Surface area 5.6158741226851E+15
Circumference 132826160.40266

Square

Length = n
Perimeter 84559760
Area 446897063203600
Diagonal 29896389.855753

Cube

Length = n
Surface area 2681382379221600
Volume 9.4473771023003E+21
Space diagonal 36615450.148958

Equilateral Triangle

Length = n
Perimeter 63419820
Area 1.9351210480549E+14
Altitude 18307725.074479

Triangular Pyramid

Length = n
Surface area 1.9351210480549E+14
Volume 1.1133840689105E+21
Height 9965463.2852512