18442921 (number)

18442921 is an odd 8-digits composite number following 18442920 and preceding 18442922. In scientific notation, it is written as 1.8442921 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15768960 positive integers (up to 18442921) that are relatively prime to 18442921.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred twenty-one

Notation

Scientific notation 1.8442921 × 10^7
Engineering notation 1.8442921 × 10^6

Prime Factorization of 18442921

Prime Factorization 7 × 431 × 6113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18442921
Product of the distinct prime numbers

The prime factorization of 18442921 is 7 × 431 × 6113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442921)

Multiplication

n×y
n×2 36885842
n×3 55328763
n×4 73771684
n×5 92214605

Division

n÷y
n÷2 9221460.5
n÷3 6147640.3333333
n÷3 4610730.25
n÷5 3688584.2

Exponentiation

ny
n2 340141335012241
n3 6.2731997704653E+21
n4 1.1569612778391E+29
n5 2.1337745447245E+36

Nth Root

y√n
2√n 4294.5222085815
3√n 264.20634025284
4√n 65.532604164504
5√n 28.390035866605

Divisors of 18442921

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 -18442920
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 18442921 can be divided by 8 positive divisors. The sum of these divisors (counting 18442921) is 1, the average is 0.125.

Base conversion 18442921

Base System Value
2 Binary 1000110010110101010101001
3 Ternary 1021200222221011
4 Quaternary 1012112222221
5 Quinary 14210133141
6 Senary 1455143521
8 Octal 106265251
10 Decimal 18442921
12 Duodecimal 6214ba1
16 Hexadecimal 1196aa9
20 Vigesimal 5f5761
36 Base36 azand

Cryptographic Hash Functions

md5 9c8cfe74ef1b4708cc368827c62a2683
sha1 cf562f83cf017b8d262e513ba2704cd2ae3c27cd
sha256 2f22fecc1d170da48f4fd9b77a66123b9806f240208c68679cdb6180c65d3a73
sha512 0cb2cc20fbd0860fa3aeb32fe5e17297d38947b36b9719d2f269855575caef2332f3b33b2cc01eb8d453f2b67de6c964c458cf41f9c7bef958b87302c08dff6c
ripemd-160 804aba943748d9355623c7b090a75b1dcd409c99

18442921 as geometric shapes

Circle

Radius = n
Diameter 36885842
Circumference 115880290.24867
Area 1.0685855192567E+15

Sphere

Radius = n
Volume 2.6277117751193E+22
Surface area 4.2743420770267E+15
Circumference 115880290.24867

Square

Length = n
Perimeter 73771684
Area 340141335012241
Diagonal 26082229.007976

Cube

Length = n
Surface area 2040848010073446
Volume 6.2731997704653E+21
Space diagonal 31944076.211979

Equilateral Triangle

Length = n
Perimeter 55328763
Area 1.4728551849888E+14
Altitude 15972038.10599

Triangular Pyramid

Length = n
Surface area 1.4728551849888E+14
Volume 7.3930368290565E+20
Height 8694076.3359919