7218985 (number)

7218985 is an odd 7-digits composite number following 7218984 and preceding 7218986. In scientific notation, it is written as 7.218985 × 10^6. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 5775184 positive integers (up to 7218985) that are relatively prime to 7218985.

Interesting facts

Basic properties

Name

Name seven million two hundred eighteen thousand nine hundred eighty-five

Notation

Scientific notation 7.218985 × 10^6
Engineering notation 7.218985 × 10^6

Prime Factorization of 7218985

Prime Factorization 5 × 1443797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7218985
Product of the distinct prime numbers

The prime factorization of 7218985 is 5 × 1443797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7218985)

Multiplication

n×y
n×2 14437970
n×3 21656955
n×4 28875940
n×5 36094925

Division

n÷y
n÷2 3609492.5
n÷3 2406328.3333333
n÷3 1804746.25
n÷5 1443797

Exponentiation

ny
n2 52113744430225
n3 3.7620833933563E+20
n4 2.7158423585388E+27
n5 1.9605625248656E+34

Nth Root

y√n
2√n 2686.8168899276
3√n 193.26744848414
4√n 51.834514466015
5√n 23.533971754794

Divisors of 7218985

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 -7218984
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 7218985 can be divided by 4 positive divisors. The sum of these divisors (counting 7218985) is 1, the average is 0.25.

Base conversion 7218985

Base System Value
2 Binary 11011100010011100101001
3 Ternary 111120202120211
4 Quaternary 123202130221
5 Quinary 3322001420
6 Senary 414421121
8 Octal 33423451
10 Decimal 7218985
12 Duodecimal 25017a1
16 Hexadecimal 6e2729
20 Vigesimal 252795
36 Base36 4aq7d

Cryptographic Hash Functions

md5 9809fee6496aaa83e068d3c561950893
sha1 4ff81a8200bca813368329dc62d0ff291b59a5e7
sha256 f3c89ec1c74703a80df02ffb65e0d86d952d43af089028e2b1d09fe9db3371b2
sha512 6c4e6fc584896134d408271380e7a70db75fab29e46b1adc15e237140ca9e2c1070807d08a540970fa93bee759629a827ec4e1e16077eada083dc11e63f38b86
ripemd-160 85ab24e92e5198dc3d1615b8dc2f4f193d060ec4

7218985 as geometric shapes

Circle

Radius = n
Diameter 14437970
Circumference 45358220.48475
Area 1.6372015665305E+14

Sphere

Radius = n
Volume 1.575857806768E+21
Surface area 6.548806266122E+14
Circumference 45358220.48475

Square

Length = n
Perimeter 28875940
Area 52113744430225
Diagonal 10209186.493568

Cube

Length = n
Surface area 312682466581350
Volume 3.7620833933563E+20
Space diagonal 12503648.799078

Equilateral Triangle

Length = n
Perimeter 21656955
Area 22565913281452
Altitude 6251824.3995388

Triangular Pyramid

Length = n
Surface area 22565913281452
Volume 4.4336577980525E+19
Height 3403062.1645226