21931486 (number)

21931486 is an even 8-digits composite number following 21931485 and preceding 21931487. In scientific notation, it is written as 2.1931486 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10949400 positive integers (up to 21931486) that are relatively prime to 21931486.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred eighty-six

Notation

Scientific notation 2.1931486 × 10^7
Engineering notation 2.1931486 × 10^6

Prime Factorization of 21931486

Prime Factorization 2 × 701 × 15643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931486
Product of the distinct prime numbers

The prime factorization of 21931486 is 2 × 701 × 15643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931486)

Multiplication

n×y
n×2 43862972
n×3 65794458
n×4 87725944
n×5 109657430

Division

n÷y
n÷2 10965743
n÷3 7310495.3333333
n÷3 5482871.5
n÷5 4386297.2

Exponentiation

ny
n2 480990078168196
n3 1.0548827165485E+22
n4 2.3135145529625E+29
n5 5.0738812029093E+36

Nth Root

y√n
2√n 4683.1064476478
3√n 279.91275342948
4√n 68.433226196401
5√n 29.390949177146

Divisors of 21931486

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 -21931485
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 21931486 can be divided by 8 positive divisors. The sum of these divisors (counting 21931486) is 1, the average is 0.125.

Base conversion 21931486

Base System Value
2 Binary 1010011101010010111011110
3 Ternary 1112021020100021
4 Quaternary 1103222113132
5 Quinary 21103301421
6 Senary 2102022354
8 Octal 123522736
10 Decimal 21931486
12 Duodecimal 74179ba
16 Hexadecimal 14ea5de
20 Vigesimal 6h18e6
36 Base36 d22fy

Cryptographic Hash Functions

md5 5d4b228352c23e56473cd36ca2970122
sha1 99c47eaaca409293f31b7fff731affde73143a3e
sha256 4b32e05bddd019acd491de0b5276d9d334e42bca97138216177aa2b3b08fa74e
sha512 0a3603af647102f342a676f397704f82ae1a237f70c92c4d72cc2b082d320f7dc49a57288fa9aaacf2ec70dd0581a442fdd7556d9acaf2ad04fed6433691af0a
ripemd-160 e7316b0696d8d7b8a05e505b4dd16c0d354ce17b

21931486 as geometric shapes

Circle

Radius = n
Diameter 43862972
Circumference 137799590.59981
Area 1.5110748960228E+15

Sphere

Radius = n
Volume 4.4186823902767E+22
Surface area 6.0442995840911E+15
Circumference 137799590.59981

Square

Length = n
Perimeter 87725944
Area 480990078168196
Diagonal 31015804.944196

Cube

Length = n
Surface area 2885940469009176
Volume 1.0548827165485E+22
Space diagonal 37986448.037486

Equilateral Triangle

Length = n
Perimeter 65794458
Area 2.0827481333096E+14
Altitude 18993224.018743

Triangular Pyramid

Length = n
Surface area 2.0827481333096E+14
Volume 1.2431912037132E+21
Height 10338601.648065