1216540981 (number)

1216540981 is an odd 10-digits composite number following 1216540980 and preceding 1216540982. In scientific notation, it is written as 1.216540981 × 10^9. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 1170345344 positive integers (up to 1216540981) that are relatively prime to 1216540981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.216540981 × 10^9
Engineering notation 1.216540981 × 10^9

Prime Factorization of 1216540981

Prime Factorization 29 × 293 × 29 × 4937

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 41949689
Product of the distinct prime numbers

The prime factorization of 1216540981 is 29 × 293 × 29 × 4937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 22, 85, 422, 621, 5419, 4223, 36385, 758, 338979, 890620, 139891, 9453259, 32511382, 1287371, 834258530, 761069802, 8215750422, 289025351

Basic calculations (n = 1216540981)

Multiplication

n×y
n×2 2433081962
n×3 3649622943
n×4 4866163924
n×5 6082704905

Division

n÷y
n÷2 608270490.5
n÷3 405513660.33333
n÷3 304135245.25
n÷5 243308196.2

Exponentiation

ny
n2 1479971958452442361
n3 1.8004465381882E+27
n4 2.1903169978056E+36
n5 2.6646103892113E+45

Nth Root

y√n
2√n 34878.94753286
3√n 1067.5189205165
4√n 186.75906278641
5√n 65.618356496603

Divisors of 1216540981

1, 29, 293, 841, 4937, 8497, 143173, 246413, 1446541, 4152017, 41949689, 1216540981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1216540980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1216540981 can be divided by 12 positive divisors. The sum of these divisors (counting 1216540981) is 1, the average is 0.083333333333333.

Base conversion 1216540981

Base System Value
2 Binary 1001000100000101111000100110101
3 Ternary 10010210010200111101
4 Quaternary 1020200233010311
5 Quinary 4442413302411
6 Senary 320414410101
8 Octal 11040570465
10 Decimal 1216540981
12 Duodecimal 29b500931
16 Hexadecimal 4882f135
20 Vigesimal j037c91
36 Base36 k4ap11

Cryptographic Hash Functions

md5 80d73a2cde72a9debc52f175285f9287
sha1 0aacb264c9440aa361feb4384fa95f58e98ba9e1
sha256 eec9d49a3f0d17ebe8a3da3a90c0f21dc9643b507b45af1c6b0977137a00b7e6
sha512 4153f9df283deaf156ee91f6b3ef6573c0240b7fca3d49672c1999919626b437b233d1c498a6962bfff58deefe70a4420cb051f3ff5eb2dcc41f830b34205524
ripemd-160 10440a6cc3e1e631056c7568e6c75fd2780db3eb

1216540981 as geometric shapes

Circle

Radius = n
Diameter 2433081962
Circumference 7643752417.401
Area 4.6494690321931E+18

Sphere

Radius = n
Volume 7.5416928234044E+27
Surface area 1.8597876128772E+19
Circumference 7643752417.401

Square

Length = n
Perimeter 4866163924
Area 1479971958452442361
Diagonal 1720448754.5129

Cube

Length = n
Surface area 8879831750714654166
Volume 1.8004465381882E+27
Space diagonal 2107110788.5817

Equilateral Triangle

Length = n
Perimeter 3649622943
Area 6.4084665645421E+17
Altitude 1053555394.2908

Triangular Pyramid

Length = n
Surface area 6.4084665645421E+17
Volume 2.1218465938612E+26
Height 573482918.17096