21490893 (number)

21490893 is an odd 8-digits composite number following 21490892 and preceding 21490894. In scientific notation, it is written as 2.1490893 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14275872 positive integers (up to 21490893) that are relatively prime to 21490893.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490893 × 10^7
Engineering notation 2.1490893 × 10^6

Prime Factorization of 21490893

Prime Factorization 27 × 313 × 2543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490893
Product of the distinct prime numbers

The prime factorization of 21490893 is 27 × 313 × 2543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490893)

Multiplication

n×y
n×2 42981786
n×3 64472679
n×4 85963572
n×5 107454465

Division

n÷y
n÷2 10745446.5
n÷3 7163631
n÷3 5372723.25
n÷5 4298178.6

Exponentiation

ny
n2 461858481937449
n3 9.9257512164602E+21
n4 2.1331325733756E+29
n5 4.5842923889231E+36

Nth Root

y√n
2√n 4635.8271106675
3√n 278.02562174354
4√n 68.086908511604
5√n 29.271898621768

Divisors of 21490893

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 -21490892
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 21490893 can be divided by 8 positive divisors. The sum of these divisors (counting 21490893) is 1, the average is 0.125.

Base conversion 21490893

Base System Value
2 Binary 1010001111110110011001101
3 Ternary 1111102211222000
4 Quaternary 1101332303031
5 Quinary 21000202033
6 Senary 2044342513
8 Octal 121766315
10 Decimal 21490893
12 Duodecimal 7244a39
16 Hexadecimal 147eccd
20 Vigesimal 6e674d
36 Base36 csmh9

Cryptographic Hash Functions

md5 9fccc6c5c833944ff5136697cb041b9a
sha1 282eaaf822508ecba1c8e8fdbea3bb2b9876ca14
sha256 f271a5e037471bb51e7363c0c0369c34bf6756ffe9becd6bfadcf3c88a04f10a
sha512 8e49241e9f73403fb1213029a19690f59ca51253d63d74893534da7997172efa22dbdc446bf3566a5a1e9c6b4f6fec6b7e765e83456ca267a130ac66a062d2cd
ripemd-160 fa45741eef1942b2681f3c6f573f4f46177a5a0d

21490893 as geometric shapes

Circle

Radius = n
Diameter 42981786
Circumference 135031263.13577
Area 1.4509712138528E+15

Sphere

Radius = n
Volume 4.1576889470655E+22
Surface area 5.8038848554113E+15
Circumference 135031263.13577

Square

Length = n
Perimeter 85963572
Area 461858481937449
Diagonal 30392712.348109

Cube

Length = n
Surface area 2771150891624694
Volume 9.9257512164602E+21
Space diagonal 37223318.576026

Equilateral Triangle

Length = n
Perimeter 64472679
Area 1.9999058915557E+14
Altitude 18611659.288013

Triangular Pyramid

Length = n
Surface area 1.9999058915557E+14
Volume 1.1697609989216E+21
Height 10130904.116036