18221641 (number)

18221641 is an odd 8-digits composite number following 18221640 and preceding 18221642. In scientific notation, it is written as 1.8221641 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 18200212 positive integers (up to 18221641) that are relatively prime to 18221641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8221641 × 10^7
Engineering notation 1.8221641 × 10^6

Prime Factorization of 18221641

Prime Factorization 887 × 20543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18221641
Product of the distinct prime numbers

The prime factorization of 18221641 is 887 × 20543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18221641)

Multiplication

n×y
n×2 36443282
n×3 54664923
n×4 72886564
n×5 91108205

Division

n÷y
n÷2 9110820.5
n÷3 6073880.3333333
n÷3 4555410.25
n÷5 3644328.2

Exponentiation

ny
n2 332028200732881
n3 6.0500986756305E+21
n4 1.1024272608191E+29
n5 2.008803377526E+36

Nth Root

y√n
2√n 4268.6814123333
3√n 263.14542791397
4√n 65.335146837926
5√n 28.321581248718

Divisors of 18221641

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 -18221640
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 18221641 can be divided by 4 positive divisors. The sum of these divisors (counting 18221641) is 1, the average is 0.25.

Base conversion 18221641

Base System Value
2 Binary 1000101100000101001001001
3 Ternary 1021021202101121
4 Quaternary 1011200221021
5 Quinary 14131043031
6 Senary 1450315241
8 Octal 105405111
10 Decimal 18221641
12 Duodecimal 6128b21
16 Hexadecimal 1160a49
20 Vigesimal 5dhe21
36 Base36 aujwp

Cryptographic Hash Functions

md5 bb2c98e270d29b9633099e279793c775
sha1 97f711eec2150252978eff40c80aef6925ccd1a3
sha256 903bd52cbd01dce33e3845021a04fadcd2fcc5bfb67fbe4bd451e850a46036c4
sha512 f411e8a8e1f43f28570a221cdc6ce6c20c5189ab2191da1e37ec56c0826020ce9ade2f9865fb30e2e0c9808e424ba87ef6c08a067a53dc8205e13f685c41fa08
ripemd-160 486e724f9bbcbc93d8f002b360721e13573e2e45

18221641 as geometric shapes

Circle

Radius = n
Diameter 36443282
Circumference 114489947.0039
Area 1.0430973562071E+15

Sphere

Radius = n
Volume 2.5342594070472E+22
Surface area 4.1723894248282E+15
Circumference 114489947.0039

Square

Length = n
Perimeter 72886564
Area 332028200732881
Diagonal 25769291.830894

Cube

Length = n
Surface area 1992169204397286
Volume 6.0500986756305E+21
Space diagonal 31560808.00928

Equilateral Triangle

Length = n
Perimeter 54664923
Area 1.4377242830376E+14
Altitude 15780404.00464

Triangular Pyramid

Length = n
Surface area 1.4377242830376E+14
Volume 7.1301096673101E+20
Height 8589763.9436312