21309957 (number)

21309957 is an odd 8-digits composite number following 21309956 and preceding 21309958. In scientific notation, it is written as 2.1309957 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14145768 positive integers (up to 21309957) that are relatively prime to 21309957.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred nine thousand nine hundred fifty-seven

Notation

Scientific notation 2.1309957 × 10^7
Engineering notation 2.1309957 × 10^6

Prime Factorization of 21309957

Prime Factorization 9 × 239 × 9907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21309957
Product of the distinct prime numbers

The prime factorization of 21309957 is 9 × 239 × 9907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21309957)

Multiplication

n×y
n×2 42619914
n×3 63929871
n×4 85239828
n×5 106549785

Division

n÷y
n÷2 10654978.5
n÷3 7103319
n÷3 5327489.25
n÷5 4261991.4

Exponentiation

ny
n2 454114267341849
n3 9.6771555101413E+21
n4 2.0621976780342E+29
n5 4.394534384441E+36

Nth Root

y√n
2√n 4616.2708975969
3√n 277.24317119012
4√n 67.943144596029
5√n 29.222442628935

Divisors of 21309957

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21309956
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21309957 can be divided by 8 positive divisors. The sum of these divisors (counting 21309957) is 1, the average is 0.125.

Base conversion 21309957

Base System Value
2 Binary 1010001010010101000000101
3 Ternary 1111002122202200
4 Quaternary 1101102220011
5 Quinary 20423404312
6 Senary 2040425113
8 Octal 121225005
10 Decimal 21309957
12 Duodecimal 7178199
16 Hexadecimal 1452a05
20 Vigesimal 6d3ehh
36 Base36 coqv9

Cryptographic Hash Functions

md5 4ce5a2387595060003d100137b6d7fab
sha1 4ee694e9b3bd51d9a4f61bb74eaa31dd3c063872
sha256 8924e7e15b15bf9bfca324c02c48464209d5a4c9d51486011a33e2376cc06a8e
sha512 50e67a01063b29a3cee52a3a602307ee1f23772faad618e186533437dd73657e7c43f745c1870aedac4f58c8983e058003da2f072f132121e308dda5fab0a56e
ripemd-160 9b9be9ffdd4b0f0d01116a8c1e8891792a89b0af

21309957 as geometric shapes

Circle

Radius = n
Diameter 42619914
Circumference 133894408.71903
Area 1.4266420461715E+15

Sphere

Radius = n
Volume 4.0535574211075E+22
Surface area 5.7065681846859E+15
Circumference 133894408.71903

Square

Length = n
Perimeter 85239828
Area 454114267341849
Diagonal 30136830.202987

Cube

Length = n
Surface area 2724685604051094
Volume 9.6771555101413E+21
Space diagonal 36909928.231108

Equilateral Triangle

Length = n
Perimeter 63929871
Area 1.966372458695E+14
Altitude 18454964.115554

Triangular Pyramid

Length = n
Surface area 1.966372458695E+14
Volume 1.1404637139696E+21
Height 10045610.067662