15666921 (number)

15666921 is an odd 8-digits composite number following 15666920 and preceding 15666922. In scientific notation, it is written as 1.5666921 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 10201464 positive integers (up to 15666921) that are relatively prime to 15666921.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-six thousand nine hundred twenty-one

Notation

Scientific notation 1.5666921 × 10^7
Engineering notation 1.5666921 × 10^6

Prime Factorization of 15666921

Prime Factorization 3 × 3 × 43 × 40483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5222307
Product of the distinct prime numbers

The prime factorization of 15666921 is 3 × 3 × 43 × 40483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 58, 36, 632, 898, 1662, 4099, 3898, 52306, 672695, 15442, 5520414, 4430852, 42728169, 92675016, 159302547, 687462025, 3603302652, 1913137759

Basic calculations (n = 15666921)

Multiplication

n×y
n×2 31333842
n×3 47000763
n×4 62667684
n×5 78334605

Division

n÷y
n÷2 7833460.5
n÷3 5222307
n÷3 3916730.25
n÷5 3133384.2

Exponentiation

ny
n2 245452413620241
n3 3.8454835734476E+21
n4 6.0246887352002E+28
n5 9.4388322463971E+35

Nth Root

y√n
2√n 3958.146156978
3√n 250.22337901448
4√n 62.91379941617
5√n 27.478734674864

Divisors of 15666921

1, 3, 9, 43, 129, 387, 40483, 121449, 364347, 1740769, 5222307, 15666921

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 -15666920
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 15666921 can be divided by 12 positive divisors. The sum of these divisors (counting 15666921) is 1, the average is 0.083333333333333.

Base conversion 15666921

Base System Value
2 Binary 111011110000111011101001
3 Ternary 1002110221222100
4 Quaternary 323300323221
5 Quinary 13002320141
6 Senary 1315444013
8 Octal 73607351
10 Decimal 15666921
12 Duodecimal 52b6609
16 Hexadecimal ef0ee9
20 Vigesimal 4hi761
36 Base36 9bso9

Cryptographic Hash Functions

md5 7e44744cf1226ad1dcf176de3520f98f
sha1 156686eefca804963c5e5ad5f095ec5a8fd351f5
sha256 a0f2173a270c728b71497be2a2c975c1902e7cd8d476d30b4519f1b4dfeaa661
sha512 d45c12f9366966bb52fa31f0435375e831971a8278ac9dee6a3eafe97e09a0cdef45b4c1ec33c93eea1becc05ea0e36b3cae5c2802fef223e19f3415520949d6
ripemd-160 e55b5c410707a3542924db1fd0c138ab84d21b83

15666921 as geometric shapes

Circle

Radius = n
Diameter 31333842
Circumference 98438167.835943
Area 7.7111149943523E+14

Sphere

Radius = n
Volume 1.6107923925124E+22
Surface area 3.0844459977409E+15
Circumference 98438167.835943

Square

Length = n
Perimeter 62667684
Area 245452413620241
Diagonal 22156372.158828

Cube

Length = n
Surface area 1472714481721446
Volume 3.8454835734476E+21
Space diagonal 27135903.170168

Equilateral Triangle

Length = n
Perimeter 47000763
Area 1.0628401280767E+14
Altitude 13567951.585084

Triangular Pyramid

Length = n
Surface area 1.0628401280767E+14
Volume 4.5319458528772E+20
Height 7385457.386276