21490723 (number)

21490723 is an odd 8-digits composite number following 21490722 and preceding 21490724. In scientific notation, it is written as 2.1490723 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21481200 positive integers (up to 21490723) that are relatively prime to 21490723.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand seven hundred twenty-three

Notation

Scientific notation 2.1490723 × 10^7
Engineering notation 2.1490723 × 10^6

Prime Factorization of 21490723

Prime Factorization 3673 × 5851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490723
Product of the distinct prime numbers

The prime factorization of 21490723 is 3673 × 5851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490723)

Multiplication

n×y
n×2 42981446
n×3 64472169
n×4 85962892
n×5 107453615

Division

n÷y
n÷2 10745361.5
n÷3 7163574.3333333
n÷3 5372680.75
n÷5 4298144.6

Exponentiation

ny
n2 461851175062729
n3 9.9255156704976E+21
n4 2.1330650790682E+29
n5 4.5841110755229E+36

Nth Root

y√n
2√n 4635.8087751761
3√n 278.02488865038
4√n 68.08677386377
5√n 29.271852311561

Divisors of 21490723

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 -21490722
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 21490723 can be divided by 4 positive divisors. The sum of these divisors (counting 21490723) is 1, the average is 0.25.

Base conversion 21490723

Base System Value
2 Binary 1010001111110110000100011
3 Ternary 1111102211201201
4 Quaternary 1101332300203
5 Quinary 21000200343
6 Senary 2044342031
8 Octal 121766043
10 Decimal 21490723
12 Duodecimal 7244917
16 Hexadecimal 147ec23
20 Vigesimal 6e66g3
36 Base36 csmcj

Cryptographic Hash Functions

md5 7119f0cd5e3056bc32f78dc6342419dc
sha1 fa9e791e11bf628cb77d58551c1fd6b1e2964990
sha256 17ad6d6619cdf07c1bfc5f4f2ff9e5cbb7e87182cb6c0ef0134b5b69943a6eba
sha512 6f9439ed81a0dd0a05ae16bda5932d2390cadbe01ef617661b5ed82baace2b6d0dd25c8fd7c38fa84a556182bf5eb375aaf4e79cdc8f7c846e70e404c9e644c5
ripemd-160 643c2c0aa82356be530f21c2e16c187bd1f4be40

21490723 as geometric shapes

Circle

Radius = n
Diameter 42981446
Circumference 135030194.99427
Area 1.4509482586289E+15

Sphere

Radius = n
Volume 4.1575902818034E+22
Surface area 5.8037930345155E+15
Circumference 135030194.99427

Square

Length = n
Perimeter 85962892
Area 461851175062729
Diagonal 30392471.931803

Cube

Length = n
Surface area 2771107050376374
Volume 9.9255156704976E+21
Space diagonal 37223024.127389

Equilateral Triangle

Length = n
Perimeter 64472169
Area 1.9998742518601E+14
Altitude 18611512.063695

Triangular Pyramid

Length = n
Surface area 1.9998742518601E+14
Volume 1.1697332395637E+21
Height 10130823.977268