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

21031205 (number)

21031205 is an odd 8-digits composite number following 21031204 and preceding 21031206. In scientific notation, it is written as 2.1031205 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 15530112 positive integers (up to 21031205) that are relatively prime to 21031205.

Interesting facts

21031205 has 8 divisors, whose sum is 25387800
The reverse of 21031205 is 50213012
Previous prime number is 169

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

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

Notation

Scientific notation	2.1031205 × 10^7
Engineering notation	2.1031205 × 10^6

Prime Factorization of 21031205

Prime Factorization 5 × 169 × 24889

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031205	Product of the distinct prime numbers

The prime factorization of 21031205 is 5 × 169 × 24889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 61, 90, 635, 659, 3661, 495, 69748, 47736, 905763, 138092, 5698847, 9140751, 62126672, 21130159, 375199301, 387054272, 3419961370, 8049067298

Basic calculations (n = 21031205)

Multiplication

n×y

n×2	42062410
n×3	63093615
n×4	84124820
n×5	105156025

Division

n÷y

n÷2	10515602.5
n÷3	7010401.6666667
n÷3	5257801.25
n÷5	4206241

Exponentiation

n^y

n²	442311583752025
n³	9.3023455917635E+21
n⁴	1.9563953712122E+29
n⁵	4.1145352113016E+36

Nth Root

^y√n

²√n	4585.979175705
³√n	276.02900433828
⁴√n	67.719858060284
⁵√n	29.145588662935

Divisors of 21031205

1, 5, 169, 845, 24889, 124445, 4206241, 21031205

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	-21031204	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 21031205 can be divided by 8 positive divisors. The sum of these divisors (counting 21031205) is 1, the average is 0.125.

Base conversion 21031205

Base	System	Value
2	Binary	1010000001110100100100101
3	Ternary	1110120111101112
4	Quaternary	1100032210211
5	Quinary	20340444310
6	Senary	2030434405
8	Octal	120164445
10	Decimal	21031205
12	Duodecimal	7062a05
16	Hexadecimal	140e925
20	Vigesimal	6b8i05
36	Base36	cirs5

Cryptographic Hash Functions

md5	392d0930f06ff9fc20beefb796b75c0c
sha1	846d60f6cb450f35e14ada4e590de4721b1af12e
sha256	df1a6cf01fb2481a0aa48b7e919526c0d543f668393ad08ac30ddbc699d89032
sha512	ee0273d5a6340bad4653e03ebe1a9bbebb4f905c92021219b2c30f29b5c8e5328e2ee40389db0a81747fcc2cdcc03fe30a3bccc4c5de7053e40158c320c8ec96
ripemd-160	5cc1baecb7d6f826fa924564174c14bb5a353af0

21031205 as geometric shapes

Circle

Radius = n

Diameter	42062410
Circumference	132142958.24828
Area	1.389562822113E+15

Sphere

Radius = n

Volume	3.8965574096317E+22
Surface area	5.5582512884521E+15
Circumference	132142958.24828

Square

Length = n

Perimeter	84124820
Area	442311583752025
Diagonal	29742615.344049

Cube

Length = n

Surface area	2653869502512150
Volume	9.3023455917635E+21
Space diagonal	36427115.604397

Equilateral Triangle

Length = n

Perimeter	63093615
Area	1.9152653395869E+14
Altitude	18213557.802198

Triangular Pyramid

Length = n

Surface area	1.9152653395869E+14
Volume	1.0962919414795E+21
Height	9914205.114683