121605 (number)

121605 is an odd 6-digits composite number following 121604 and preceding 121606. In scientific notation, it is written as 1.21605 × 10^5. The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors. There are 58080 positive integers (up to 121605) that are relatively prime to 121605.

Interesting facts

Basic properties

Name

Name one hundred twenty-one thousand six hundred five

Notation

Scientific notation 1.21605 × 10^5
Engineering notation 1.21605 × 10^3

Prime Factorization of 121605

Prime Factorization 15 × 11 × 11 × 67

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 11055
Product of the distinct prime numbers

The prime factorization of 121605 is 15 × 11 × 11 × 67. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121605)

Multiplication

n×y
n×2 243210
n×3 364815
n×4 486420
n×5 608025

Division

n÷y
n÷2 60802.5
n÷3 40535
n÷3 30401.25
n÷5 24321

Exponentiation

ny
n2 14787776025
n3 1798267503520125
n4 2.1867831976556E+20
n5 2.6592377075092E+25

Nth Root

y√n
2√n 348.71908465124
3√n 49.543172212265
4√n 18.674021651783
5√n 10.398969068635

Divisors of 121605

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 -121604
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 121605 can be divided by 12 positive divisors. The sum of these divisors (counting 121605) is 1, the average is 0.083333333333333.

Base conversion 121605

Base System Value
2 Binary 11101101100000101
3 Ternary 20011210220
4 Quaternary 131230011
5 Quinary 12342410
6 Senary 2334553
8 Octal 355405
10 Decimal 121605
12 Duodecimal 5a459
16 Hexadecimal 1db05
20 Vigesimal f405
36 Base36 2ltx

Cryptographic Hash Functions

md5 c32a68cc0a9d3b824210f18cb522edb2
sha1 82a2d450f86f98156d2995646ba3b1e26de02e78
sha256 8c6fd266a5107b123c3977b8ff2db052884035ad454a0af890b5644bbf97d487
sha512 e00c8949132536bd905d9dc42f2b654f9dee2c81fc29a2df20b5a3e78c7324f0fe2f15b12da50d5950af50abf77cca3ec9742ffdf10a306416ac9bfa0b58af39
ripemd-160 52b1c246a25314b1193952b4b425a9d47131a633

121605 as geometric shapes

Circle

Radius = n
Diameter 243210
Circumference 764066.74927957
Area 46457168523.071

Sphere

Radius = n
Volume 7.5325653043308E+15
Surface area 185828674092.29
Circumference 764066.74927957

Square

Length = n
Perimeter 486420
Area 14787776025
Diagonal 171975.44025238

Cube

Length = n
Surface area 88726656150
Volume 1798267503520125
Space diagonal 210626.03845441

Equilateral Triangle

Length = n
Perimeter 364815
Area 6403294851.5622
Altitude 105313.01922721

Triangular Pyramid

Length = n
Surface area 6403294851.5622
Volume 2.1192785768775E+14
Height 57325.146750793