1216509985 (number)

1216509985 is an odd 10-digits composite number following 1216509984 and preceding 1216509986. In scientific notation, it is written as 1.216509985 × 10^9. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 973207984 positive integers (up to 1216509985) that are relatively prime to 1216509985.

Interesting facts

Basic properties

Name

Name one billion two hundred sixteen million five hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 1.216509985 × 10^9
Engineering notation 1.216509985 × 10^9

Prime Factorization of 1216509985

Prime Factorization 5 × 243301997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1216509985
Product of the distinct prime numbers

The prime factorization of 1216509985 is 5 × 243301997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 8, 41, 258, 935, 3136, 2248, 50310, 68092, 258857, 922511, 8841372, 1762863, 34792518, 58906266, 317459083, 910058655, 818924513, 8437249738

Basic calculations (n = 1216509985)

Multiplication

n×y
n×2 2433019970
n×3 3649529955
n×4 4866039940
n×5 6082549925

Division

n÷y
n÷2 608254992.5
n÷3 405503328.33333
n÷3 304127496.25
n÷5 243301997

Exponentiation

ny
n2 1479896543604700225
n3 1.8003089220621E+27
n4 2.1900937797731E+36
n5 2.6642709511804E+45

Nth Root

y√n
2√n 34878.503193228
3√n 1067.5098540738
4√n 186.75787317601
5√n 65.618022117846

Divisors of 1216509985

1, 5, 243301997, 1216509985

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 -1216509984
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 1216509985 can be divided by 4 positive divisors. The sum of these divisors (counting 1216509985) is 1, the average is 0.25.

Base conversion 1216509985

Base System Value
2 Binary 1001000100000100111100000100001
3 Ternary 10010210002002222101
4 Quaternary 1020200213200201
5 Quinary 4442411304420
6 Senary 320414010401
8 Octal 11040474041
10 Decimal 1216509985
12 Duodecimal 29b4a6a01
16 Hexadecimal 48827821
20 Vigesimal j033ej5
36 Base36 k4a141

Cryptographic Hash Functions

md5 2bcc6062c25c9cacba6f7974a218c9d0
sha1 1249bbfd988b292a40446d0df83c38e8bee0515d
sha256 778b456432df5453ea9c2c43f807b398717367b4e8d89651c901548a2158cd37
sha512 b5d642655b22ee26747dfc9b2df5765c16996dee61465f224f78df24dc4cf1cbd474307939584e180a13f1cfaf7e57b0d65aca7b26d3f8b3a9c2478eea4eea32
ripemd-160 e7d7febb2c53ccbab7233910ab771f4a11d31ce0

1216509985 as geometric shapes

Circle

Radius = n
Diameter 2433019970
Circumference 7643557663.7893
Area 4.6492321094615E+18

Sphere

Radius = n
Volume 7.5411163783233E+27
Surface area 1.8596928437846E+19
Circumference 7643557663.7893

Square

Length = n
Perimeter 4866039940
Area 1479896543604700225
Diagonal 1720404919.5493

Cube

Length = n
Surface area 8879379261628201350
Volume 1.8003089220621E+27
Space diagonal 2107057101.9349

Equilateral Triangle

Length = n
Perimeter 3649529955
Area 6.4081400086723E+17
Altitude 1053528550.9674

Triangular Pyramid

Length = n
Surface area 6.4081400086723E+17
Volume 2.1216844117013E+26
Height 573468306.51643