16638021 (number)

16638021 is an odd 8-digits composite number following 16638020 and preceding 16638022. In scientific notation, it is written as 1.6638021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 8 positive divisors. There are 11091996 positive integers (up to 16638021) that are relatively prime to 16638021.

Interesting facts

Basic properties

Name

Name sixteen million six hundred thirty-eight thousand twenty-one

Notation

Scientific notation 1.6638021 × 10^7
Engineering notation 1.6638021 × 10^6

Prime Factorization of 16638021

Prime Factorization 3 × 3 × 3 × 616223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1848669
Product of the distinct prime numbers

The prime factorization of 16638021 is 3 × 3 × 3 × 616223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16638021)

Multiplication

n×y
n×2 33276042
n×3 49914063
n×4 66552084
n×5 83190105

Division

n÷y
n÷2 8319010.5
n÷3 5546007
n÷3 4159505.25
n÷5 3327604.2

Exponentiation

ny
n2 276823742796441
n3 4.6057992459458E+21
n4 7.663138457583E+28
n5 1.2749945858317E+36

Nth Root

y√n
2√n 4078.9730325169
3√n 255.29005057877
4√n 63.866838284957
5√n 27.811238767122

Divisors of 16638021

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 -16638020
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 16638021 can be divided by 8 positive divisors. The sum of these divisors (counting 16638021) is 1, the average is 0.125.

Base conversion 16638021

Base System Value
2 Binary 111111011110000001000101
3 Ternary 1011022022002000
4 Quaternary 333132001011
5 Quinary 13224404041
6 Senary 1352335513
8 Octal 77360105
10 Decimal 16638021
12 Duodecimal 56a4599
16 Hexadecimal fde045
20 Vigesimal 53jf11
36 Base36 9wlz9

Cryptographic Hash Functions

md5 2c644c2d4970fef9bcf52fa37607869e
sha1 4f6a66d76e0bd9a18c419c4e140674ddf4035bca
sha256 88b1bfafa7e7fa9492982c9b1e2505df227a898f150815fccb7d327072f8144c
sha512 6c25187ec491b3c563381afaa5d44ce9b0a4f20e71e60de7090846047a41d0d7166ae24e0d94cbcb65841c145177d97b5d9fd4865219f07bd26239f7fc30cb65
ripemd-160 f7a4240381d3355093796223ce31b25c8a65961c

16638021 as geometric shapes

Circle

Radius = n
Diameter 33276042
Circumference 104539769.08775
Area 8.6966743670853E+14

Sphere

Radius = n
Volume 1.929272676663E+22
Surface area 3.4786697468341E+15
Circumference 104539769.08775

Square

Length = n
Perimeter 66552084
Area 276823742796441
Diagonal 23529714.949248

Cube

Length = n
Surface area 1660942456778646
Volume 4.6057992459458E+21
Space diagonal 28817897.709398

Equilateral Triangle

Length = n
Perimeter 49914063
Area 1.198681968162E+14
Altitude 14408948.854699

Triangular Pyramid

Length = n
Surface area 1.198681968162E+14
Volume 5.4279864659869E+20
Height 7843238.3164161