21086489 (number)

21086489 is an odd 8-digits composite number following 21086488 and preceding 21086490. In scientific notation, it is written as 2.1086489 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21069840 positive integers (up to 21086489) that are relatively prime to 21086489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086489 × 10^7
Engineering notation 2.1086489 × 10^6

Prime Factorization of 21086489

Prime Factorization 1381 × 15269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21086489
Product of the distinct prime numbers

The prime factorization of 21086489 is 1381 × 15269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086489)

Multiplication

n×y
n×2 42172978
n×3 63259467
n×4 84345956
n×5 105432445

Division

n÷y
n÷2 10543244.5
n÷3 7028829.6666667
n÷3 5271622.25
n÷5 4217297.8

Exponentiation

ny
n2 444640018347121
n3 9.3758968558364E+21
n4 1.9770474591573E+29
n5 4.1688989499998E+36

Nth Root

y√n
2√n 4592.0027221246
3√n 276.27065534901
4√n 67.764317469629
5√n 29.16089537674

Divisors of 21086489

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 -21086488
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 21086489 can be divided by 4 positive divisors. The sum of these divisors (counting 21086489) is 1, the average is 0.25.

Base conversion 21086489

Base System Value
2 Binary 1010000011100000100011001
3 Ternary 1110200022020002
4 Quaternary 1100130010121
5 Quinary 20344231424
6 Senary 2031542345
8 Octal 120340431
10 Decimal 21086489
12 Duodecimal 708a9b5
16 Hexadecimal 141c119
20 Vigesimal 6bfg49
36 Base36 cjyft

Cryptographic Hash Functions

md5 f75a142d9d65a1a73b262ece1caae539
sha1 94776d64378fb3aa67008591d0e869f0d0f208ce
sha256 5b61f542b10cb9f7e18acdd40afb158d45ebade65fa4600d4c3f1a6d442ccc73
sha512 096c4f7e3fc3df8409da1536314df60703759e70687348f997c9075dd72fa5698db58ebffc5d7f876d5b4ddee1dd6b7ff9ad2cfcc2eaf362c3f608ab239c9f49
ripemd-160 c6ffd55c07abf1edf0d76aedfc22a8a461fa452a

21086489 as geometric shapes

Circle

Radius = n
Diameter 42172978
Circumference 132490317.8648
Area 1.3968778151313E+15

Sphere

Radius = n
Volume 3.9273664910815E+22
Surface area 5.5875112605254E+15
Circumference 132490317.8648

Square

Length = n
Perimeter 84345956
Area 444640018347121
Diagonal 29820798.726631

Cube

Length = n
Surface area 2667840110082726
Volume 9.3758968558364E+21
Space diagonal 36522870.301242

Equilateral Triangle

Length = n
Perimeter 63259467
Area 1.9253477571389E+14
Altitude 18261435.150621

Triangular Pyramid

Length = n
Surface area 1.9253477571389E+14
Volume 1.1049600410779E+21
Height 9940266.2422104