16668021 (number)

16668021 is an odd 8-digits composite number following 16668020 and preceding 16668022. In scientific notation, it is written as 1.6668021 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11102480 positive integers (up to 16668021) that are relatively prime to 16668021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6668021 × 10^7
Engineering notation 1.6668021 × 10^6

Prime Factorization of 16668021

Prime Factorization 3 × 2741 × 2027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16668021
Product of the distinct prime numbers

The prime factorization of 16668021 is 3 × 2741 × 2027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16668021)

Multiplication

n×y
n×2 33336042
n×3 50004063
n×4 66672084
n×5 83340105

Division

n÷y
n÷2 8334010.5
n÷3 5556007
n÷3 4167005.25
n÷5 3333604.2

Exponentiation

ny
n2 277822924056441
n3 4.6307583324542E+21
n4 7.7185577131271E+28
n5 1.2865308205211E+36

Nth Root

y√n
2√n 4082.6487725495
3√n 255.44339619984
4√n 63.895608397992
5√n 27.821260825108

Divisors of 16668021

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 -16668020
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 16668021 can be divided by 8 positive divisors. The sum of these divisors (counting 16668021) is 1, the average is 0.125.

Base conversion 16668021

Base System Value
2 Binary 111111100101010101110101
3 Ternary 1011100211020010
4 Quaternary 333211111311
5 Quinary 13231334041
6 Senary 1353130433
8 Octal 77452565
10 Decimal 16668021
12 Duodecimal 56b9a19
16 Hexadecimal fe5575
20 Vigesimal 543a11
36 Base36 9x94l

Cryptographic Hash Functions

md5 e0b9d0fef7f3998e89e26ce6dc948263
sha1 87ac92f78da0870aa7ae57f4548d65c9ce060477
sha256 0c041884a3551813646559887d9fb8f2977991bb0a8679c206c475c6f9129bec
sha512 f4bbd8c59713fc097b75de3731ac5b7a1ed8956faf61a58976bc1f2b0318b5ab6138d7bdaa5ea687851bccbfb6b6c365acd4d0d47efa15408f372745ef27d15d
ripemd-160 945aba40e663be4accf8741f01dfad5e278999d2

16668021 as geometric shapes

Circle

Radius = n
Diameter 33336042
Circumference 104728264.64696
Area 8.7280645721455E+14

Sphere

Radius = n
Volume 1.9397275143717E+22
Surface area 3.4912258288582E+15
Circumference 104728264.64696

Square

Length = n
Perimeter 66672084
Area 277822924056441
Diagonal 23572141.35612

Cube

Length = n
Surface area 1666937544338646
Volume 4.6307583324542E+21
Space diagonal 28869859.233625

Equilateral Triangle

Length = n
Perimeter 50004063
Area 1.2030085499328E+14
Altitude 14434929.616813

Triangular Pyramid

Length = n
Surface area 1.2030085499328E+14
Volume 5.4574010315241E+20
Height 7857380.4520399