21139965 (number)

21139965 is an odd 8-digits composite number following 21139964 and preceding 21139966. In scientific notation, it is written as 2.1139965 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 8784000 positive integers (up to 21139965) that are relatively prime to 21139965.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-nine thousand nine hundred sixty-five

Notation

Scientific notation 2.1139965 × 10^7
Engineering notation 2.1139965 × 10^6

Prime Factorization of 21139965

Prime Factorization 45 × 11 × 7 × 6101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21139965
Product of the distinct prime numbers

The prime factorization of 21139965 is 45 × 11 × 7 × 6101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 90, 6, 660, 631, 8623, 3015, 30314, 91653, 748124, 714259, 17144, 3020980, 93560799, 8694241, 971637954, 548352341, 1802451784, 2362888081

Basic calculations (n = 21139965)

Multiplication

n×y
n×2 42279930
n×3 63419895
n×4 84559860
n×5 105699825

Division

n÷y
n÷2 10569982.5
n÷3 7046655
n÷3 5284991.25
n÷5 4227993

Exponentiation

ny
n2 446898120201225
n3 9.4474106196197E+21
n4 1.9971792983939E+29
n5 4.2220300466771E+36

Nth Root

y√n
2√n 4597.8217668805
3√n 276.50400189537
4√n 67.807239782198
5√n 29.175670985527

Divisors of 21139965

1, 7, 11, 45, 77, 315, 495, 3465, 6101, 42707, 67111, 274545, 469777, 1921815, 3019995, 21139965

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 -21139964
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 21139965 can be divided by 16 positive divisors. The sum of these divisors (counting 21139965) is 1, the average is 0.0625.

Base conversion 21139965

Base System Value
2 Binary 1010000101001000111111101
3 Ternary 1110210000120200
4 Quaternary 1100221013331
5 Quinary 20402434330
6 Senary 2033034113
8 Octal 120510775
10 Decimal 21139965
12 Duodecimal 70b5939
16 Hexadecimal 14291fd
20 Vigesimal 6c29i5
36 Base36 cl3p9

Cryptographic Hash Functions

md5 3300ba301f0cad6ff71980c923d51f8f
sha1 ac8118cec46cec0795632eb7522be30215af9c89
sha256 1dbcc3038773b393e3f7aecc73a899f19e1c8a1e8d63d0604a3ce32c3ec4aaf6
sha512 fd9ecd1aa6a3d6c8e87424eaa35d92f9e6a85577befaaba751f120232cc5ecc424bdd98ae6520a71da6c486359283945278067df12e79c321b98814a2d20ed9e
ripemd-160 da107d3349f77e300b1838e6b87e07704ab70411

21139965 as geometric shapes

Circle

Radius = n
Diameter 42279930
Circumference 132826317.48229
Area 1.4039718513273E+15

Sphere

Radius = n
Volume 3.9573221064058E+22
Surface area 5.615887405309E+15
Circumference 132826317.48229

Square

Length = n
Perimeter 84559860
Area 446898120201225
Diagonal 29896425.211093

Cube

Length = n
Surface area 2681388721207350
Volume 9.4474106196197E+21
Space diagonal 36615493.450228

Equilateral Triangle

Length = n
Perimeter 63419895
Area 1.9351256249889E+14
Altitude 18307746.725114

Triangular Pyramid

Length = n
Surface area 1.9351256249889E+14
Volume 1.1133880189645E+21
Height 9965475.0703642