218640890 (number)

218640890 is an even 9-digits composite number following 218640889 and preceding 218640891. In scientific notation, it is written as 2.18640890 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 80728896 positive integers (up to 218640890) that are relatively prime to 218640890.

Interesting facts

Basic properties

Name

Name two hundred eighteen million six hundred forty thousand eight hundred ninety

Notation

Scientific notation 2.18640890 × 10^8
Engineering notation 2.18640890 × 10^6

Prime Factorization of 218640890

Prime Factorization 2 × 65 × 1681853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 218640890
Product of the distinct prime numbers

The prime factorization of 218640890 is 2 × 65 × 1681853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 22, 6, 402, 493, 7765, 1388, 88919, 40507, 333165, 138218, 445175, 9716177, 41705356, 86769210, 820573089, 631580839, 5308526773, 9425157141

Basic calculations (n = 218640890)

Multiplication

n×y
n×2 437281780
n×3 655922670
n×4 874563560
n×5 1093204450

Division

n÷y
n÷2 109320445
n÷3 72880296.666667
n÷3 54660222.5
n÷5 43728178

Exponentiation

ny
n2 47803838779992100
n3 1.0451873856274E+25
n4 2.2852070021035E+33
n5 4.9963969277414E+41

Nth Root

y√n
2√n 14786.510406448
3√n 602.43537009836
4√n 121.59979607897
5√n 46.552850358462

Divisors of 218640890

1, 2, 65, 130, 1681853, 3363706, 109320445, 218640890

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 -218640889
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 218640890 can be divided by 8 positive divisors. The sum of these divisors (counting 218640890) is 1, the average is 0.125.

Base conversion 218640890

Base System Value
2 Binary 1101000010000011000111111010
3 Ternary 120020102002220202
4 Quaternary 31002003013322
5 Quinary 421433002030
6 Senary 33410122202
8 Octal 1502030772
10 Decimal 218640890
12 Duodecimal 61280362
16 Hexadecimal d0831fa
20 Vigesimal 386a24a
36 Base36 3m68e2

Cryptographic Hash Functions

md5 9e0ab751e342c719e10aca3bbd830377
sha1 9590edb34ecab72589008a74a1cace4eb780f735
sha256 e7e6f68815caffa3483bd56b78c20a1c59d897819efcf8d22d107fabac5170f7
sha512 c638d015bbcbe1315108ccde174c2fc9400297b0311faf74adae6475fcd78e5297aaaac9517ca4b21a237602485020f9d970d562b5d5817173039be3c0d423a2
ripemd-160 9b517b76aae811659fa6152e2eeda89b5f335526

218640890 as geometric shapes

Circle

Radius = n
Diameter 437281780
Circumference 1373761227.5967
Area 1.5018018872461E+17

Sphere

Radius = n
Volume 4.3780706830823E+25
Surface area 6.0072075489846E+17
Circumference 1373761227.5967

Square

Length = n
Perimeter 874563560
Area 47803838779992100
Diagonal 309204911.92732

Cube

Length = n
Surface area 286823032679952600
Volume 1.0451873856274E+25
Space diagonal 378697130.09208

Equilateral Triangle

Length = n
Perimeter 655922670
Area 2.0699669390944E+16
Altitude 189348565.04604

Triangular Pyramid

Length = n
Surface area 2.0699669390944E+16
Volume 1.2317651466463E+24
Height 103068303.97577