215420909 (number)

215420909 is an odd 9-digits composite number following 215420908 and preceding 215420910. In scientific notation, it is written as 2.15420909 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 195837180 positive integers (up to 215420909) that are relatively prime to 215420909.

Interesting facts

Basic properties

Name

Name two hundred fifteen million four hundred twenty thousand nine hundred nine

Notation

Scientific notation 2.15420909 × 10^8
Engineering notation 2.15420909 × 10^6

Prime Factorization of 215420909

Prime Factorization 11 × 19583719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 215420909
Product of the distinct prime numbers

The prime factorization of 215420909 is 11 × 19583719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 60, 24, 319, 426, 5651, 563, 75838, 47843, 771617, 69395, 507052, 1254770, 11223305, 3241567, 960946420, 324026955, 6500601692, 3910464832

Basic calculations (n = 215420909)

Multiplication

n×y
n×2 430841818
n×3 646262727
n×4 861683636
n×5 1077104545

Division

n÷y
n÷2 107710454.5
n÷3 71806969.666667
n÷3 53855227.25
n÷5 43084181.8

Exponentiation

ny
n2 46406168034386281
n3 9.9968589011742E+24
n4 2.1535324316357E+33
n5 4.6391591398394E+41

Nth Root

y√n
2√n 14677.224158539
3√n 599.46332473886
4√n 121.14959413279
5√n 46.414916214339

Divisors of 215420909

1, 11, 19583719, 215420909

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 -215420908
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 215420909 can be divided by 4 positive divisors. The sum of these divisors (counting 215420909) is 1, the average is 0.25.

Base conversion 215420909

Base System Value
2 Binary 1100110101110000111111101101
3 Ternary 120000100111221012
4 Quaternary 30311300333231
5 Quinary 420121432114
6 Senary 33213115005
8 Octal 1465607755
10 Decimal 215420909
12 Duodecimal 60188a65
16 Hexadecimal cd70fed
20 Vigesimal 3767c59
36 Base36 3k97u5

Cryptographic Hash Functions

md5 b4cfedf4d56f87d3673f16119a2b2b8c
sha1 489714199d0b40b30b7bcd3612b09fa4483eeeed
sha256 80d339711d7caeaeb4b3d92b8839da4a319024789a1f501dd89cfc62d9e18a62
sha512 bf51a904322c94b5b6a01657767a8fce18b35a2410fbd44bb823f28c7b834613988e2e2a5fbf8673f73250303247702068c9c8ef25aba63e3434c0fafae55c09
ripemd-160 41b457681e774fe53f872cc67f552c9cd5632dd1

215420909 as geometric shapes

Circle

Radius = n
Diameter 430841818
Circumference 1353529490.2881
Area 1.4578927657808E+17

Sphere

Radius = n
Volume 4.187474464387E+25
Surface area 5.8315710631233E+17
Circumference 1353529490.2881

Square

Length = n
Perimeter 861683636
Area 46406168034386281
Diagonal 304651171.12654

Cube

Length = n
Surface area 278437008206317686
Volume 9.9968589011742E+24
Space diagonal 373119959.40067

Equilateral Triangle

Length = n
Perimeter 646262727
Area 2.0094460205034E+16
Altitude 186559979.70034

Triangular Pyramid

Length = n
Surface area 2.0094460205034E+16
Volume 1.1781411199309E+24
Height 101550390.37551