18490621 (number)

18490621 is an odd 8-digits composite number following 18490620 and preceding 18490622. In scientific notation, it is written as 1.8490621 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18480672 positive integers (up to 18490621) that are relatively prime to 18490621.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety thousand six hundred twenty-one

Notation

Scientific notation 1.8490621 × 10^7
Engineering notation 1.8490621 × 10^6

Prime Factorization of 18490621

Prime Factorization 2473 × 7477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18490621
Product of the distinct prime numbers

The prime factorization of 18490621 is 2473 × 7477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18490621)

Multiplication

n×y
n×2 36981242
n×3 55471863
n×4 73962484
n×5 92453105

Division

n÷y
n÷2 9245310.5
n÷3 6163540.3333333
n÷3 4622655.25
n÷5 3698124.2

Exponentiation

ny
n2 341903064965641
n3 6.321999993018E+21
n4 1.168977058329E+29
n5 2.1615111743256E+36

Nth Root

y√n
2√n 4300.072208696
3√n 264.43392157491
4√n 65.574935826854
5√n 28.404706057922

Divisors of 18490621

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 -18490620
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 18490621 can be divided by 4 positive divisors. The sum of these divisors (counting 18490621) is 1, the average is 0.25.

Base conversion 18490621

Base System Value
2 Binary 1000110100010010011111101
3 Ternary 1021210102100211
4 Quaternary 1012202103331
5 Quinary 14213144441
6 Senary 1500152421
8 Octal 106422375
10 Decimal 18490621
12 Duodecimal 6238711
16 Hexadecimal 11a24fd
20 Vigesimal 5fb6b1
36 Base36 b0bgd

Cryptographic Hash Functions

md5 f3d360fb6d58bade37cf248aa7eb36a3
sha1 7ebcd206204eda6492246d24158bf8e78c27049b
sha256 d79bcdb1c24582e2d1b4dfe5ea68df422e65e8c76c9e40fb854c2fa7200a56cb
sha512 bb6d5e1b74d82d8f55303cdd3cd72576d7031446bf5d3f2e68dec638f9fc1932b0852ce303f2c0af6bc65911cd16ec8086e80f71ae18a171cd48a4b4378aa947
ripemd-160 ad3de937d87823f6f949fbf8108d4917e62e5399

18490621 as geometric shapes

Circle

Radius = n
Diameter 36981242
Circumference 116179998.18783
Area 1.0741201571359E+15

Sphere

Radius = n
Volume 2.6481531645414E+22
Surface area 4.2964806285436E+15
Circumference 116179998.18783

Square

Length = n
Perimeter 73962484
Area 341903064965641
Diagonal 26149686.994901

Cube

Length = n
Surface area 2051418389793846
Volume 6.321999993018E+21
Space diagonal 32026695.0355

Equilateral Triangle

Length = n
Perimeter 55471863
Area 1.48048369946E+14
Altitude 16013347.51775

Triangular Pyramid

Length = n
Surface area 1.48048369946E+14
Volume 7.4505484428739E+20
Height 8716562.3316336