121381 (number)

121381 is an odd 6-digits composite number following 121380 and preceding 121382. In scientific notation, it is written as 1.21381 × 10^5. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 112032 positive integers (up to 121381) that are relatively prime to 121381.

Interesting facts

Basic properties

Name

Name one hundred twenty-one thousand three hundred eighty-one

Notation

Scientific notation 1.21381 × 10^5
Engineering notation 1.21381 × 10^3

Prime Factorization of 121381

Prime Factorization 13 × 9337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121381
Product of the distinct prime numbers

The prime factorization of 121381 is 13 × 9337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121381)

Multiplication

n×y
n×2 242762
n×3 364143
n×4 485524
n×5 606905

Division

n÷y
n÷2 60690.5
n÷3 40460.333333333
n÷3 30345.25
n÷5 24276.2

Exponentiation

ny
n2 14733347161
n3 1788348411749341
n4 2.1707151856655E+20
n5 2.6348357995126E+25

Nth Root

y√n
2√n 348.39776118684
3√n 49.512733519678
4√n 18.665416180381
5√n 10.395135201151

Divisors of 121381

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 -121380
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 121381 can be divided by 4 positive divisors. The sum of these divisors (counting 121381) is 1, the average is 0.25.

Base conversion 121381

Base System Value
2 Binary 11101101000100101
3 Ternary 20011111121
4 Quaternary 131220211
5 Quinary 12341011
6 Senary 2333541
8 Octal 355045
10 Decimal 121381
12 Duodecimal 5a2b1
16 Hexadecimal 1da25
20 Vigesimal f391
36 Base36 2lnp

Cryptographic Hash Functions

md5 afaa9ff509c2551a0667e926253fece5
sha1 93038369ae0f4f1c6a382212116d842c3b82702c
sha256 2866b577bd8145a247b4bc6912359a60c885720f1268d94eedc10645e0aa0070
sha512 64cc1e876b86b30bb46eb37483789b8f802423a3ecb89ff38ca952fdb3c2f8ecaa24e6bd0560b8fb975c3c326ed880d9df397386e67e113de9eaa702f0f37ba8
ripemd-160 47476635f2c59659a60e55519a1ab8c9b3ec143a

121381 as geometric shapes

Circle

Radius = n
Diameter 242762
Circumference 762659.31577077
Area 46286175203.786

Sphere

Radius = n
Volume 7.4910163098809E+15
Surface area 185144700815.14
Circumference 762659.31577077

Square

Length = n
Perimeter 485524
Area 14733347161
Diagonal 171658.65641441

Cube

Length = n
Surface area 88400082966
Volume 1788348411749341
Space diagonal 210238.05907352

Equilateral Triangle

Length = n
Perimeter 364143
Area 6379726462.1007
Altitude 105119.02953676

Triangular Pyramid

Length = n
Surface area 6379726462.1007
Volume 2.1075888151203E+14
Height 57219.552138136