7218561 (number)

7218561 is an odd 7-digits composite number following 7218560 and preceding 7218562. In scientific notation, it is written as 7.218561 × 10^6. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 4106064 positive integers (up to 7218561) that are relatively prime to 7218561.

Interesting facts

Basic properties

Name

Name seven million two hundred eighteen thousand five hundred sixty-one

Notation

Scientific notation 7.218561 × 10^6
Engineering notation 7.218561 × 10^6

Prime Factorization of 7218561

Prime Factorization 3 × 7 × 263 × 1307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7218561
Product of the distinct prime numbers

The prime factorization of 7218561 is 3 × 7 × 263 × 1307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7218561)

Multiplication

n×y
n×2 14437122
n×3 21655683
n×4 28874244
n×5 36092805

Division

n÷y
n÷2 3609280.5
n÷3 2406187
n÷3 1804640.25
n÷5 1443712.2

Exponentiation

ny
n2 52107622910721
n3 3.7614205454604E+20
n4 2.7152043654059E+27
n5 1.9599868339149E+34

Nth Root

y√n
2√n 2686.7379849922
3√n 193.26366461875
4√n 51.833753336916
5√n 23.533695299352

Divisors of 7218561

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7218560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7218561 can be divided by 16 positive divisors. The sum of these divisors (counting 7218561) is 1, the average is 0.0625.

Base conversion 7218561

Base System Value
2 Binary 11011100010010110000001
3 Ternary 111120202000010
4 Quaternary 123202112001
5 Quinary 3321443221
6 Senary 414415133
8 Octal 33422601
10 Decimal 7218561
12 Duodecimal 25014a9
16 Hexadecimal 6e2581
20 Vigesimal 252681
36 Base36 4apvl

Cryptographic Hash Functions

md5 58f9111b3837c07946ca9be26a8af9cb
sha1 892052c23afeb902ef8d882cd7de2de681c1aa61
sha256 a4a219acec04da30ae11daafc4f9424a79478f61ec97e132f0ecaa154866d56f
sha512 61ac80dd524a6eb2ddd54a8e3527f32ee66687c784fbe37b92a00877149ebd6afc7e2d9ff0b395bd6190340f58a24330ffc308a9af92c745ee1a58a5534c573d
ripemd-160 8a360939bb2b6a1e1dd675bd5ec244a8b903dcdb

7218561 as geometric shapes

Circle

Radius = n
Diameter 14437122
Circumference 45355556.41418
Area 1.6370092533235E+14

Sphere

Radius = n
Volume 1.5755801536907E+21
Surface area 6.5480370132939E+14
Circumference 45355556.41418

Square

Length = n
Perimeter 28874244
Area 52107622910721
Diagonal 10208586.867017

Cube

Length = n
Surface area 312645737464326
Volume 3.7614205454604E+20
Space diagonal 12502914.409535

Equilateral Triangle

Length = n
Perimeter 21655683
Area 22563262585752
Altitude 6251457.2047676

Triangular Pyramid

Length = n
Surface area 22563262585752
Volume 4.4328766243157E+19
Height 3402862.2890058