11487991 (number)

11487991 is an odd 8-digits composite number following 11487990 and preceding 11487992. In scientific notation, it is written as 1.1487991 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 11481184 positive integers (up to 11487991) that are relatively prime to 11487991.

Interesting facts

Basic properties

Name

Name eleven million four hundred eighty-seven thousand nine hundred ninety-one

Notation

Scientific notation 1.1487991 × 10^7
Engineering notation 1.1487991 × 10^6

Prime Factorization of 11487991

Prime Factorization 3719 × 3089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 11487991
Product of the distinct prime numbers

The prime factorization of 11487991 is 3719 × 3089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 11487991)

Multiplication

n×y
n×2 22975982
n×3 34463973
n×4 45951964
n×5 57439955

Division

n÷y
n÷2 5743995.5
n÷3 3829330.3333333
n÷3 2871997.75
n÷5 2297598.2

Exponentiation

ny
n2 131973937216081
n3 1.5161154029729E+21
n4 1.7417120104314E+28
n5 2.0008771900428E+35

Nth Root

y√n
2√n 3389.3938986196
3√n 225.6392749618
4√n 58.218501342955
5√n 25.825504686457

Divisors of 11487991

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 -11487990
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 11487991 can be divided by 4 positive divisors. The sum of these divisors (counting 11487991) is 1, the average is 0.25.

Base conversion 11487991

Base System Value
2 Binary 101011110100101011110111
3 Ternary 210121122120011
4 Quaternary 223310223313
5 Quinary 10420103431
6 Senary 1050121051
8 Octal 53645367
10 Decimal 11487991
12 Duodecimal 3a20187
16 Hexadecimal af4af7
20 Vigesimal 3bfjjb
36 Base36 6u86v

Cryptographic Hash Functions

md5 c4904c4a4002a7eb36e3624cea9b7838
sha1 fcc0ca9de73800527c856772ba21d8b29e90597c
sha256 aa45009009cd8c429b18d2d22dd6ccfd9a01b3602e79817cf31d5fdc6415a5d8
sha512 9ae749dae91c4b5a02b5fbf37aeacfedd77921c3a275032e6046db0af6a97246c66bf4baf21673bb2cd85c508a69395d2aadfc2fa9210997bf477d1e64225b4a
ripemd-160 e6b7c9d2d1ca0b8d51fe7688f7e91ed8a273267b

11487991 as geometric shapes

Circle

Radius = n
Diameter 22975982
Circumference 72181176.260211
Area 4.1460835162336E+14

Sphere

Radius = n
Volume 6.3506893492987E+21
Surface area 1.6584334064934E+15
Circumference 72181176.260211

Square

Length = n
Perimeter 45951964
Area 131973937216081
Diagonal 16246472.67662

Cube

Length = n
Surface area 791843623296486
Volume 1.5161154029729E+21
Space diagonal 19897784.088894

Equilateral Triangle

Length = n
Perimeter 34463973
Area 57146391133289
Altitude 9948892.044447

Triangular Pyramid

Length = n
Surface area 57146391133289
Volume 1.7867591375059E+20
Height 5415490.8922067