21293487 (number)

21293487 is an odd 8-digits composite number following 21293486 and preceding 21293488. In scientific notation, it is written as 2.1293487 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14127120 positive integers (up to 21293487) that are relatively prime to 21293487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1293487 × 10^7
Engineering notation 2.1293487 × 10^6

Prime Factorization of 21293487

Prime Factorization 9 × 211 × 11213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21293487
Product of the distinct prime numbers

The prime factorization of 21293487 is 9 × 211 × 11213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293487)

Multiplication

n×y
n×2 42586974
n×3 63880461
n×4 85173948
n×5 106467435

Division

n÷y
n÷2 10646743.5
n÷3 7097829
n÷3 5323371.75
n÷5 4258697.4

Exponentiation

ny
n2 453412588619169
n3 9.6547350613986E+21
n4 2.0558297551834E+29
n5 4.377578416621E+36

Nth Root

y√n
2√n 4614.4866453377
3√n 277.17172771879
4√n 67.930012846589
5√n 29.217924154387

Divisors of 21293487

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 -21293486
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 21293487 can be divided by 8 positive divisors. The sum of these divisors (counting 21293487) is 1, the average is 0.125.

Base conversion 21293487

Base System Value
2 Binary 1010001001110100110101111
3 Ternary 1111001211011200
4 Quaternary 1101032212233
5 Quinary 20422342422
6 Senary 2040220543
8 Octal 121164657
10 Decimal 21293487
12 Duodecimal 716a753
16 Hexadecimal 144e9af
20 Vigesimal 6d1de7
36 Base36 coe5r

Cryptographic Hash Functions

md5 f5b505204f7bbc0462b06f12dc0bfaf1
sha1 690b2eb7ecc906521a1850beebf44121bbd3918e
sha256 316f860a7538a137694b0ff4a8d5ae9e4b8f438cfbddea3a301a4aa0860ebfdd
sha512 7ffbaae07689494c8dbb4f58020e3ced16dcf8d8c4ff9559daccae188a43b6f9115ff2c066e6ae810ff150b8b8da461fb8e190f0ea3b649a1b651d85935e4c7f
ripemd-160 4d1d7b9bb33ae48fc44337b9968abe30fb8467d4

21293487 as geometric shapes

Circle

Radius = n
Diameter 42586974
Circumference 133790924.65702
Area 1.4244376574511E+15

Sphere

Radius = n
Volume 4.0441659654994E+22
Surface area 5.6977506298044E+15
Circumference 133790924.65702

Square

Length = n
Perimeter 85173948
Area 453412588619169
Diagonal 30113538.105615

Cube

Length = n
Surface area 2720475531715014
Volume 9.6547350613986E+21
Space diagonal 36881401.354307

Equilateral Triangle

Length = n
Perimeter 63880461
Area 1.9633341006993E+14
Altitude 18440700.677154

Triangular Pyramid

Length = n
Surface area 1.9633341006993E+14
Volume 1.1378214387457E+21
Height 10037846.035205