15666989 (number)

15666989 is an odd 8-digits composite number following 15666988 and preceding 15666990. In scientific notation, it is written as 1.5666989 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors. There are 13953408 positive integers (up to 15666989) that are relatively prime to 15666989.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.5666989 × 10^7
Engineering notation 1.5666989 × 10^6

Prime Factorization of 15666989

Prime Factorization 29 × 29 × 13 × 1433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 540241
Product of the distinct prime numbers

The prime factorization of 15666989 is 29 × 29 × 13 × 1433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 47, 96, 16, 907, 8534, 7901, 72428, 34189, 321502, 281403, 6809111, 6704300, 30283868, 1714300, 519631700, 895506411, 9967924398, 5937582665

Basic calculations (n = 15666989)

Multiplication

n×y
n×2 31333978
n×3 47000967
n×4 62667956
n×5 78334945

Division

n÷y
n÷2 7833494.5
n÷3 5222329.6666667
n÷3 3916747.25
n÷5 3133397.8

Exponentiation

ny
n2 245454544326121
n3 3.8455336459574E+21
n4 6.0247933330344E+28
n5 9.4390370875923E+35

Nth Root

y√n
2√n 3958.1547468486
3√n 250.2237410334
4√n 62.913867683116
5√n 27.478758528316

Divisors of 15666989

1, 13, 29, 377, 841, 1433, 10933, 18629, 41557, 540241, 1205153, 15666989

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 -15666988
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 15666989 can be divided by 12 positive divisors. The sum of these divisors (counting 15666989) is 1, the average is 0.083333333333333.

Base conversion 15666989

Base System Value
2 Binary 111011110000111100101101
3 Ternary 1002110222001212
4 Quaternary 323300330231
5 Quinary 13002320424
6 Senary 1315444205
8 Octal 73607455
10 Decimal 15666989
12 Duodecimal 52b6665
16 Hexadecimal ef0f2d
20 Vigesimal 4hi799
36 Base36 9bsq5

Cryptographic Hash Functions

md5 2ef454f05975f642efd5b7d6933e1edf
sha1 6756f0fa88ef023fd0a236b4d90fe5aa68e95c9b
sha256 cd8843bd4f65774183180b9becdcef75122837f8c3faf987ad86da23c22509d5
sha512 1d97075128019fe813045345193e5e20af98d32786baaea4e8e88e6bb7b3aeeb9f4ae33db7fe87be2d5cf567d4a9713946d9bb3c067fb6c63c99d22e429ea05f
ripemd-160 01f60f1774b5393bab4ac696d886a877b32d9038

15666989 as geometric shapes

Circle

Radius = n
Diameter 31333978
Circumference 98438595.092544
Area 7.7111819324517E+14

Sphere

Radius = n
Volume 1.6108133668363E+22
Surface area 3.0844727729807E+15
Circumference 98438595.092544

Square

Length = n
Perimeter 62667956
Area 245454544326121
Diagonal 22156468.32535

Cube

Length = n
Surface area 1472727265956726
Volume 3.8455336459574E+21
Space diagonal 27136020.949623

Equilateral Triangle

Length = n
Perimeter 47000967
Area 1.0628493543038E+14
Altitude 13568010.474811

Triangular Pyramid

Length = n
Surface area 1.0628493543038E+14
Volume 4.5320048638958E+20
Height 7385489.4417834