205121361 (number)

205121361 is an odd 9-digits composite number following 205121360 and preceding 205121362. In scientific notation, it is written as 2.05121361 × 10^8. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 136676432 positive integers (up to 205121361) that are relatively prime to 205121361.

Interesting facts

Basic properties

Name

Name two hundred five million one hundred twenty-one thousand three hundred sixty-one

Notation

Scientific notation 2.05121361 × 10^8
Engineering notation 2.05121361 × 10^6

Prime Factorization of 205121361

Prime Factorization 3 × 2039 × 33533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 205121361
Product of the distinct prime numbers

The prime factorization of 205121361 is 3 × 2039 × 33533. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 97, 100, 291, 474, 1098, 3906, 10452, 60665, 895994, 428223, 6047590, 8954513, 60368885, 39548651, 388100644, 276677965, 7727493424, 3299531832

Basic calculations (n = 205121361)

Multiplication

n×y
n×2 410242722
n×3 615364083
n×4 820485444
n×5 1025606805

Division

n÷y
n÷2 102560680.5
n÷3 68373787
n÷3 51280340.25
n÷5 41024272.2

Exponentiation

ny
n2 42074772738492321
n3 8.6304346478852E+24
n4 1.7702865009958E+33
n5 3.6312357644418E+41

Nth Root

y√n
2√n 14322.058546173
3√n 589.7531870081
4√n 119.67480330534
5√n 45.962344956597

Divisors of 205121361

1, 3, 2039, 6117, 33533, 100599, 68373787, 205121361

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205121360
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205121361 can be divided by 8 positive divisors. The sum of these divisors (counting 205121361) is 1, the average is 0.125.

Base conversion 205121361

Base System Value
2 Binary 1100001110011110011101010001
3 Ternary 112021222020121110
4 Quaternary 30032132131101
5 Quinary 410002340421
6 Senary 32204243533
8 Octal 1416363521
10 Decimal 205121361
12 Duodecimal 588405a9
16 Hexadecimal c39e751
20 Vigesimal 3420381
36 Base36 3e4gnl

Cryptographic Hash Functions

md5 4cd10eb4b88d6ff3c9cabc4304c0d058
sha1 9bbdd3cc19f58bd0be8a4d090552866587af8d91
sha256 174e956a3938ea0256263bc8f12ec3cda031a0b7aab1895df930229bf6b13355
sha512 f9f5b07281489c1dc97faa3c732af6bb4f5dbf8fa484967e3e9874774ce91a47e60fa78adfa93393ee6988aa6c215fd0e96c647927ef3c2dedc96a0f97e3961c
ripemd-160 406ddf74c3a4ccfbf2111f3891adf573a6221eb3

205121361 as geometric shapes

Circle

Radius = n
Diameter 410242722
Circumference 1288815521.6239
Area 1.3218179693671E+17

Sphere

Radius = n
Volume 3.6151080116111E+25
Surface area 5.2872718774683E+17
Circumference 1288815521.6239

Square

Length = n
Perimeter 820485444
Area 42074772738492321
Diagonal 290085410.65863

Cube

Length = n
Surface area 252448636430953926
Volume 8.6304346478852E+24
Space diagonal 355280618.96968

Equilateral Triangle

Length = n
Perimeter 615364083
Area 1.8218911024996E+16
Altitude 177640309.48484

Triangular Pyramid

Length = n
Surface area 1.8218911024996E+16
Volume 1.0171064773512E+24
Height 96695136.886209