21239907 (number)

21239907 is an odd 8-digits composite number following 21239906 and preceding 21239908. In scientific notation, it is written as 2.1239907 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13070688 positive integers (up to 21239907) that are relatively prime to 21239907.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-nine thousand nine hundred seven

Notation

Scientific notation 2.1239907 × 10^7
Engineering notation 2.1239907 × 10^6

Prime Factorization of 21239907

Prime Factorization 39 × 544613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21239907
Product of the distinct prime numbers

The prime factorization of 21239907 is 39 × 544613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21239907)

Multiplication

n×y
n×2 42479814
n×3 63719721
n×4 84959628
n×5 106199535

Division

n÷y
n÷2 10619953.5
n÷3 7079969
n÷3 5309976.75
n÷5 4247981.4

Exponentiation

ny
n2 451133649368649
n3 9.5820367571607E+21
n4 2.0352156959268E+29
n5 4.3227792106424E+36

Nth Root

y√n
2√n 4608.6773590695
3√n 276.93905352387
4√n 67.887240031316
5√n 29.203205339764

Divisors of 21239907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21239906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21239907 can be divided by 4 positive divisors. The sum of these divisors (counting 21239907) is 1, the average is 0.25.

Base conversion 21239907

Base System Value
2 Binary 1010001000001100001100011
3 Ternary 1110222002200020
4 Quaternary 1101001201203
5 Quinary 20414134112
6 Senary 2035124523
8 Octal 121014143
10 Decimal 21239907
12 Duodecimal 7143743
16 Hexadecimal 1441863
20 Vigesimal 6cejf7
36 Base36 cn8tf

Cryptographic Hash Functions

md5 0d66fb885cbc01e7d70c370cee277bf1
sha1 8ab1230ac109382d9427014703d3df607c5bd372
sha256 4421aad19e82d593d8cb73dcbc7300770ecbad312c6728851189bf33f1cf34df
sha512 293a98bcacbaf24a5b3b24f4955d914c5c7fdada6b60527ef8c4779c37af025cd085686a1b807f154a525f56022488cebdb885e04a67c2a471ee623374d1f6f3
ripemd-160 ad3bc82fd0575c4bfae49cf3971230c7f49e984b

21239907 as geometric shapes

Circle

Radius = n
Diameter 42479814
Circumference 133454271.58826
Area 1.4172781586437E+15

Sphere

Radius = n
Volume 4.0137141710298E+22
Surface area 5.6691126345748E+15
Circumference 133454271.58826

Square

Length = n
Perimeter 84959628
Area 451133649368649
Diagonal 30037764.542943

Cube

Length = n
Surface area 2706801896211894
Volume 9.5820367571607E+21
Space diagonal 36788598.072038

Equilateral Triangle

Length = n
Perimeter 63719721
Area 1.9534660042762E+14
Altitude 18394299.036019

Triangular Pyramid

Length = n
Surface area 1.9534660042762E+14
Volume 1.1292538614278E+21
Height 10012588.180981