Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

205121221 (number)

205121221 is an odd 9-digits composite number following 205121220 and preceding 205121222. In scientific notation, it is written as 2.05121221 × 10^8. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 205016812 positive integers (up to 205121221) that are relatively prime to 205121221.

Interesting facts

205121221 has 4 divisors, whose sum is 205225632
The reverse of 205121221 is 122121502
Previous prime number is 2003

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 16
Digital Root 7

Name

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

Notation

Scientific notation	2.05121221 × 10^8
Engineering notation	2.05121221 × 10^6

Prime Factorization of 205121221

Prime Factorization 2003 × 102407

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	205121221	Product of the distinct prime numbers

The prime factorization of 205121221 is 2003 × 102407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 4, 94, 107, 447, 1080, 6229, 31519, 98723, 93733, 93328, 9661063, 7445171, 69843758, 17509514, 898461149, 324507095, 6146272595, 4367466144

Basic calculations (n = 205121221)

Multiplication

n×y

n×2	410242442
n×3	615363663
n×4	820484884
n×5	1025606105

Division

n÷y

n÷2	102560610.5
n÷3	68373740.333333
n÷3	51280305.25
n÷5	41024244.2

Exponentiation

n^y

n²	42074715304530841
n³	8.6304169764928E+24
n⁴	1.7702816679573E+33
n⁵	3.6312233724532E+41

Nth Root

^y√n

²√n	14322.053658606
³√n	589.75305283474
⁴√n	119.67478288514
⁵√n	45.962338682526

Divisors of 205121221

1, 2003, 102407, 205121221

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	-205121220	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 205121221 can be divided by 4 positive divisors. The sum of these divisors (counting 205121221) is 1, the average is 0.25.

Base conversion 205121221

Base	System	Value
2	Binary	1100001110011110011011000101
3	Ternary	112021222020102021
4	Quaternary	30032132123011
5	Quinary	410002334341
6	Senary	32204243141
8	Octal	1416363305
10	Decimal	205121221
12	Duodecimal	588404b1
16	Hexadecimal	c39e6c5
20	Vigesimal	3420311
36	Base36	3e4gjp

Cryptographic Hash Functions

md5	b5bafda81c73417473327c3bfd2ff49d
sha1	2788fa971a39c53b517e128a3f59897c50c16d86
sha256	dacca1fe66ede37950bb0b61aeb5f6e728daa160e32d8b6ede14285eda9d6fa1
sha512	97aa9c6af6102116d31dfae64c37b23c0a875c3ac69abb68feb0e8c730fe4ff1493ade3a1297704741812dfff7f11be16acb59d9ea6e75afe53332be48b5e2b1
ripemd-160	7d25e6adc6f2247544915df5b3aab97fb192ac2f

205121221 as geometric shapes

Circle

Radius = n

Diameter	410242442
Circumference	1288814641.9779
Area	1.321816165026E+17

Sphere

Radius = n

Volume	3.6151006094355E+25
Surface area	5.2872646601038E+17
Circumference	1288814641.9779

Square

Length = n

Perimeter	820484884
Area	42074715304530841
Diagonal	290085212.66873

Cube

Length = n

Surface area	252448291827185046
Volume	8.6304169764928E+24
Space diagonal	355280376.48256

Equilateral Triangle

Length = n

Perimeter	615363663
Area	1.8218886155361E+16
Altitude	177640188.24128

Triangular Pyramid

Length = n

Surface area	1.8218886155361E+16
Volume	1.0171043947576E+24
Height	96695070.889576