166121808 (number)

166121808 is an even 9-digits composite number following 166121807 and preceding 166121809. In scientific notation, it is written as 1.66121808 × 10^8. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 53587200 positive integers (up to 166121808) that are relatively prime to 166121808.

Interesting facts

Basic properties

Name

Name one hundred sixty-six million one hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 1.66121808 × 10^8
Engineering notation 1.66121808 × 10^6

Prime Factorization of 166121808

Prime Factorization 2 × 2 × 2 × 2 × 3 × 31 × 111641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20765226
Product of the distinct prime numbers

The prime factorization of 166121808 is 2 × 2 × 2 × 2 × 3 × 31 × 111641. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 166121808)

Multiplication

n×y
n×2 332243616
n×3 498365424
n×4 664487232
n×5 830609040

Division

n÷y
n÷2 83060904
n÷3 55373936
n÷3 41530452
n÷5 33224361.6

Exponentiation

ny
n2 27596455093188864
n3 4.5843730144713E+24
n4 7.6156433371039E+32
n5 1.2651244402429E+41

Nth Root

y√n
2√n 12888.824927044
3√n 549.72085890265
4√n 113.5289607415
5√n 44.06414318739

Divisors of 166121808

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -166121807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 166121808 can be divided by 40 positive divisors. The sum of these divisors (counting 166121808) is 1, the average is 0.025.

Base conversion 166121808

Base System Value
2 Binary 1001111001101101000101010000
3 Ternary 102120120212021120
4 Quaternary 21321231011100
5 Quinary 320011344213
6 Senary 24252322240
8 Octal 1171550520
10 Decimal 166121808
12 Duodecimal 47773380
16 Hexadecimal 9e6d150
20 Vigesimal 2bi54a8
36 Base36 2qwkeo

Cryptographic Hash Functions

md5 31638f06df362df834b212eb6db638cd
sha1 e1d85976ab80db2bc40325ed41a2f47eb261d3d4
sha256 7ceac1218e755a5632451a2532f8184b9a495282919ff2654ca891d254401a87
sha512 8517093d4e3304afe02c4f2ba419a2a3561b7b5d3e4d2d7d689c8669920a803de12c44834b8bc272abac2f3073827e9f3ceed1a35dcf7f741b65b4d28930f296
ripemd-160 1775fa1cdfd0cdbe3d027f98587eb81d4eefdcf6

166121808 as geometric shapes

Circle

Radius = n
Diameter 332243616
Circumference 1043774103.2277
Area 8.6696820585883E+16

Sphere

Radius = n
Volume 1.9202976778105E+25
Surface area 3.4678728234353E+17
Circumference 1043774103.2277

Square

Length = n
Perimeter 664487232
Area 27596455093188864
Diagonal 234931713.87954

Cube

Length = n
Surface area 165578730559133184
Volume 4.5843730144713E+24
Space diagonal 287731411.7012

Equilateral Triangle

Length = n
Perimeter 498365424
Area 1.1949615582549E+16
Altitude 143865705.8506

Triangular Pyramid

Length = n
Surface area 1.1949615582549E+16
Volume 5.4027354100355E+23
Height 78310571.29318