121405 (number)

121405 is an odd 6-digits composite number following 121404 and preceding 121406. In scientific notation, it is written as 1.21405 × 10^5. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 97120 positive integers (up to 121405) that are relatively prime to 121405.

Interesting facts

Basic properties

Name

Name one hundred twenty-one thousand four hundred five

Notation

Scientific notation 1.21405 × 10^5
Engineering notation 1.21405 × 10^3

Prime Factorization of 121405

Prime Factorization 5 × 24281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121405
Product of the distinct prime numbers

The prime factorization of 121405 is 5 × 24281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121405)

Multiplication

n×y
n×2 242810
n×3 364215
n×4 485620
n×5 607025

Division

n÷y
n÷2 60702.5
n÷3 40468.333333333
n÷3 30351.25
n÷5 24281

Exponentiation

ny
n2 14739174025
n3 1789409422505125
n4 2.1724325093923E+20
n5 2.6374416880278E+25

Nth Root

y√n
2√n 348.43220287453
3√n 49.515996598452
4√n 18.666338764593
5√n 10.395546243267

Divisors of 121405

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 -121404
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 121405 can be divided by 4 positive divisors. The sum of these divisors (counting 121405) is 1, the average is 0.25.

Base conversion 121405

Base System Value
2 Binary 11101101000111101
3 Ternary 20011112111
4 Quaternary 131220331
5 Quinary 12341110
6 Senary 2334021
8 Octal 355075
10 Decimal 121405
12 Duodecimal 5a311
16 Hexadecimal 1da3d
20 Vigesimal f3a5
36 Base36 2lod

Cryptographic Hash Functions

md5 9df26875cac514bce1def6d24df64bc7
sha1 557fd0c9144a0c066e40f047ff61a03e3c6185ba
sha256 5aa32f28c0ad3b862ae5821ee1cbff5848f9ab3658d35aebc6e2e93f40d6b2ee
sha512 bcb82d997acbfdc14e31271ed6f29107cbc014f85fa6f8e60ebeed3e7026c4fe6778811e6c8dd703a3e8a7807effb51b3b1506eba73051907aa1138489fd45ca
ripemd-160 e62d8213a94a0d070cf955f9c84a2b25e75eb986

121405 as geometric shapes

Circle

Radius = n
Diameter 242810
Circumference 762810.11221814
Area 46304480836.922

Sphere

Radius = n
Volume 7.4954606613419E+15
Surface area 185217923347.69
Circumference 762810.11221814

Square

Length = n
Perimeter 485620
Area 14739174025
Diagonal 171692.59753991

Cube

Length = n
Surface area 88435044150
Volume 1789409422505125
Space diagonal 210279.6282929

Equilateral Triangle

Length = n
Perimeter 364215
Area 6382249568.2249
Altitude 105139.81414645

Triangular Pyramid

Length = n
Surface area 6382249568.2249
Volume 2.1088392282875E+14
Height 57230.865846635