21293491 (number)

21293491 is an odd 8-digits composite number following 21293490 and preceding 21293492. In scientific notation, it is written as 2.1293491 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20840392 positive integers (up to 21293491) that are relatively prime to 21293491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1293491 × 10^7
Engineering notation 2.1293491 × 10^6

Prime Factorization of 21293491

Prime Factorization 47 × 453053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21293491
Product of the distinct prime numbers

The prime factorization of 21293491 is 47 × 453053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293491)

Multiplication

n×y
n×2 42586982
n×3 63880473
n×4 85173964
n×5 106467455

Division

n÷y
n÷2 10646745.5
n÷3 7097830.3333333
n÷3 5323372.75
n÷5 4258698.2

Exponentiation

ny
n2 453412758967081
n3 9.6547405023507E+21
n4 2.0558312999414E+29
n5 4.3775825282821E+36

Nth Root

y√n
2√n 4614.4870787553
3√n 277.17174507444
4√n 67.930016036766
5√n 29.217925252109

Divisors of 21293491

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 -21293490
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 21293491 can be divided by 4 positive divisors. The sum of these divisors (counting 21293491) is 1, the average is 0.25.

Base conversion 21293491

Base System Value
2 Binary 1010001001110100110110011
3 Ternary 1111001211011211
4 Quaternary 1101032212303
5 Quinary 20422342431
6 Senary 2040220551
8 Octal 121164663
10 Decimal 21293491
12 Duodecimal 716a757
16 Hexadecimal 144e9b3
20 Vigesimal 6d1deb
36 Base36 coe5v

Cryptographic Hash Functions

md5 6d35a1febb8f5d25f2f041712c5dbfe7
sha1 43f0d6b27300a0af109d9fb305ae071bf4dee130
sha256 4984b0156100e1b06c9c26bb715b27592be2329a3a62634112b4a44f2662b21b
sha512 280d080736fd93723db8b20ad7e4d0ce875e8847edf62c5ed3092d3683be53cf8983a9c5fa55963186bb551d53e86be6db799808bfbd432b781cc453f8963fb8
ripemd-160 09fc21e5035d561b5a899e885018106577e1abc9

21293491 as geometric shapes

Circle

Radius = n
Diameter 42586982
Circumference 133790949.78976
Area 1.4244381926149E+15

Sphere

Radius = n
Volume 4.0441682446001E+22
Surface area 5.6977527704594E+15
Circumference 133790949.78976

Square

Length = n
Perimeter 85173964
Area 453412758967081
Diagonal 30113543.762469

Cube

Length = n
Surface area 2720476553802486
Volume 9.6547405023507E+21
Space diagonal 36881408.282511

Equilateral Triangle

Length = n
Perimeter 63880473
Area 1.9633348383274E+14
Altitude 18440704.141255

Triangular Pyramid

Length = n
Surface area 1.9633348383274E+14
Volume 1.1378220799681E+21
Height 10037847.920823