21054909 (number)

21054909 is an odd 8-digits composite number following 21054908 and preceding 21054910. In scientific notation, it is written as 2.1054909 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14036604 positive integers (up to 21054909) that are relatively prime to 21054909.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-four thousand nine hundred nine

Notation

Scientific notation 2.1054909 × 10^7
Engineering notation 2.1054909 × 10^6

Prime Factorization of 21054909

Prime Factorization 3 × 7018303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21054909
Product of the distinct prime numbers

The prime factorization of 21054909 is 3 × 7018303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21054909)

Multiplication

n×y
n×2 42109818
n×3 63164727
n×4 84219636
n×5 105274545

Division

n÷y
n÷2 10527454.5
n÷3 7018303
n÷3 5263727.25
n÷5 4210981.8

Exponentiation

ny
n2 443309192998281
n3 9.3338347174422E+21
n4 1.9652304059679E+29
n5 4.1377747361687E+36

Nth Root

y√n
2√n 4588.5628469053
3√n 276.13266831257
4√n 67.738931545348
5√n 29.152155626428

Divisors of 21054909

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 -21054908
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 21054909 can be divided by 4 positive divisors. The sum of these divisors (counting 21054909) is 1, the average is 0.25.

Base conversion 21054909

Base System Value
2 Binary 1010000010100010110111101
3 Ternary 1110121200220110
4 Quaternary 1100110112331
5 Quinary 20342224114
6 Senary 2031140233
8 Octal 120242675
10 Decimal 21054909
12 Duodecimal 7074679
16 Hexadecimal 14145bd
20 Vigesimal 6bbh59
36 Base36 cja2l

Cryptographic Hash Functions

md5 9a50191aa32f639d5648fe90a75b48dc
sha1 4a968df4ec95e0cf61d63f38bddff812d85f90f8
sha256 7edf097929154488d6cfb5fbbf0c4f8ec6b6a69b1b9a627c65ba8cd9f00727c7
sha512 b5c97aaf03514d8a87fd9fdbdc0b96fa587d16a6f979e6b92d26f64147ebe2544e67d694f4c55ffd644eaabc2d11659b686ca9cc90041aed602e45477c3814a9
ripemd-160 9fd798d8fad7a4b59ec5fe2b3fa64c65ca791da9

21054909 as geometric shapes

Circle

Radius = n
Diameter 42109818
Circumference 132291894.8728
Area 1.3926969039922E+15

Sphere

Radius = n
Volume 3.9097475437517E+22
Surface area 5.5707876159689E+15
Circumference 132291894.8728

Square

Length = n
Perimeter 84219636
Area 443309192998281
Diagonal 29776137.862331

Cube

Length = n
Surface area 2659855157989686
Volume 9.3338347174422E+21
Space diagonal 36468172.136739

Equilateral Triangle

Length = n
Perimeter 63164727
Area 1.9195851143384E+14
Altitude 18234086.06837

Triangular Pyramid

Length = n
Surface area 1.9195851143384E+14
Volume 1.1000029705296E+21
Height 9925379.2874438