21492649 (number)

21492649 is an odd 8-digits composite number following 21492648 and preceding 21492650. In scientific notation, it is written as 2.1492649 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20558164 positive integers (up to 21492649) that are relatively prime to 21492649.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred forty-nine

Notation

Scientific notation 2.1492649 × 10^7
Engineering notation 2.1492649 × 10^6

Prime Factorization of 21492649

Prime Factorization 23 × 934463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492649
Product of the distinct prime numbers

The prime factorization of 21492649 is 23 × 934463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492649)

Multiplication

n×y
n×2 42985298
n×3 64477947
n×4 85970596
n×5 107463245

Division

n÷y
n÷2 10746324.5
n÷3 7164216.3333333
n÷3 5373162.25
n÷5 4298529.8

Exponentiation

ny
n2 461933961037201
n3 9.9281844857522E+21
n4 2.1338298435952E+29
n5 4.5861655854116E+36

Nth Root

y√n
2√n 4636.0165012649
3√n 278.03319393851
4√n 68.088299297786
5√n 29.272376961817

Divisors of 21492649

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 -21492648
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 21492649 can be divided by 4 positive divisors. The sum of these divisors (counting 21492649) is 1, the average is 0.25.

Base conversion 21492649

Base System Value
2 Binary 1010001111111001110101001
3 Ternary 1111102221101001
4 Quaternary 1101333032221
5 Quinary 21000231044
6 Senary 2044355001
8 Octal 121771651
10 Decimal 21492649
12 Duodecimal 7245a61
16 Hexadecimal 147f3a9
20 Vigesimal 6e6bc9
36 Base36 csnu1

Cryptographic Hash Functions

md5 7fcc4ebcb0776d9ed98e2a8a83ce1a86
sha1 b170ada1ba589007f0190a185dfb70cd3e52e238
sha256 6776f321f4d0c2c66284fbd7268e77ddcf58090e3cae8f971ec679c70fee73a3
sha512 e4dbc96cc69fd5328fcd5803c8956c27a2c63db4b57dfd31b4732a7995a1cc1cb527e9d9b8b197fae2aa3dbb53250f188524c4a0f31c0086f3cf12194b23daa9
ripemd-160 486058ff0f0c8dd0d8f7318f55e11458bde522be

21492649 as geometric shapes

Circle

Radius = n
Diameter 42985298
Circumference 135042296.40917
Area 1.4512083384381E+15

Sphere

Radius = n
Volume 4.1587081925231E+22
Surface area 5.8048333537524E+15
Circumference 135042296.40917

Square

Length = n
Perimeter 85970596
Area 461933961037201
Diagonal 30395195.707125

Cube

Length = n
Surface area 2771603766223206
Volume 9.9281844857522E+21
Space diagonal 37226360.057244

Equilateral Triangle

Length = n
Perimeter 64477947
Area 2.0002327256449E+14
Altitude 18613180.028622

Triangular Pyramid

Length = n
Surface area 2.0002327256449E+14
Volume 1.1700477624577E+21
Height 10131731.902375