18672021 (number)

18672021 is an odd 8-digits composite number following 18672020 and preceding 18672022. In scientific notation, it is written as 1.8672021 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11906664 positive integers (up to 18672021) that are relatively prime to 18672021.

Interesting facts

Basic properties

Name

Name eighteen million six hundred seventy-two thousand twenty-one

Notation

Scientific notation 1.8672021 × 10^7
Engineering notation 1.8672021 × 10^6

Prime Factorization of 18672021

Prime Factorization 23 × 9 × 90203

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18672021
Product of the distinct prime numbers

The prime factorization of 18672021 is 23 × 9 × 90203. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18672021)

Multiplication

n×y
n×2 37344042
n×3 56016063
n×4 74688084
n×5 93360105

Division

n÷y
n÷2 9336010.5
n÷3 6224007
n÷3 4668005.25
n÷5 3734404.2

Exponentiation

ny
n2 348644368224441
n3 6.5098949650185E+21
n4 1.2155289549462E+29
n5 2.2696382172863E+36

Nth Root

y√n
2√n 4321.113398188
3√n 265.29584143346
4√n 65.735176261938
5√n 28.460220821302

Divisors of 18672021

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 -18672020
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 18672021 can be divided by 8 positive divisors. The sum of these divisors (counting 18672021) is 1, the average is 0.125.

Base conversion 18672021

Base System Value
2 Binary 1000111001110100110010101
3 Ternary 1022010122012100
4 Quaternary 1013032212111
5 Quinary 14240001041
6 Senary 1504112313
8 Octal 107164625
10 Decimal 18672021
12 Duodecimal 6305699
16 Hexadecimal 11ce995
20 Vigesimal 5ge011
36 Base36 b47f9

Cryptographic Hash Functions

md5 883d649a338e12613538730d08fec124
sha1 fdb80f763b3526ab51cc5165b73791f2435a461d
sha256 b1dd95e17b47edcec239eed013ccaba35e15c4a09ba0686579feb02b78f54e83
sha512 c39fb390097bc86aad393a933719a1e3ec250497367df0ed4aeedb8bc000450cd1034a906dae78ba858c9afcb9be161771b197b29f57c374418addc4e112d30f
ripemd-160 9eeb753b1f2cacc266796c15c7771d482dd145b3

18672021 as geometric shapes

Circle

Radius = n
Diameter 37344042
Circumference 117319768.00255
Area 1.0952985859294E+15

Sphere

Radius = n
Volume 2.7268584263658E+22
Surface area 4.3811943437174E+15
Circumference 117319768.00255

Square

Length = n
Perimeter 74688084
Area 348644368224441
Diagonal 26406225.335115

Cube

Length = n
Surface area 2091866209346646
Volume 6.5098949650185E+21
Space diagonal 32340889.051993

Equilateral Triangle

Length = n
Perimeter 56016063
Area 1.5096743988437E+14
Altitude 16170444.525997

Triangular Pyramid

Length = n
Surface area 1.5096743988437E+14
Volume 7.6719847909612E+20
Height 8802075.1117051