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

21005429 (number)

21005429 is an odd 8-digits composite number following 21005428 and preceding 21005430. In scientific notation, it is written as 2.1005429 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20979084 positive integers (up to 21005429) that are relatively prime to 21005429.

Interesting facts

21005429 has 4 divisors, whose sum is 21031776
The reverse of 21005429 is 92450012
Previous prime number is 823

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million five thousand four hundred twenty-nine

Notation

Scientific notation	2.1005429 × 10^7
Engineering notation	2.1005429 × 10^6

Prime Factorization of 21005429

Prime Factorization 823 × 25523

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21005429	Product of the distinct prime numbers

The prime factorization of 21005429 is 823 × 25523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 69, 98, 85, 592, 8902, 5884, 10802, 73989, 891928, 302738, 8833980, 5382402, 52247333, 7789332, 330247712, 754438471, 6607285029, 6895807627

Basic calculations (n = 21005429)

Multiplication

n×y

n×2	42010858
n×3	63016287
n×4	84021716
n×5	105027145

Division

n÷y

n÷2	10502714.5
n÷3	7001809.6666667
n÷3	5251357.25
n÷5	4201085.8

Exponentiation

n^y

n²	441228047474041
n³	9.2681844240246E+21
n⁴	1.9468218987775E+29
n⁵	4.0893829170417E+36

Nth Root

^y√n

²√n	4583.1680091395
³√n	275.91619050922
⁴√n	67.699099027532
⁵√n	29.138440948263

Divisors of 21005429

1, 823, 25523, 21005429

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	-21005428	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 21005429 can be divided by 4 positive divisors. The sum of these divisors (counting 21005429) is 1, the average is 0.25.

Base conversion 21005429

Base	System	Value
2	Binary	1010000001000010001110101
3	Ternary	1110112012000212
4	Quaternary	1100020101311
5	Quinary	20334133204
6	Senary	2030115205
8	Octal	120102165
10	Decimal	21005429
12	Duodecimal	704bb05
16	Hexadecimal	1408475
20	Vigesimal	6b5db9
36	Base36	ci7w5

Cryptographic Hash Functions

md5	84d6674a2c37ea0301d062d026bbf24f
sha1	71422d5c2c7d7641b26157cb7818c05c28ab1d60
sha256	8b6a0aaae37f0adf45bbf885f6ef3021d651cddfa0cae4d3290fb3a81b8f186d
sha512	32be787c4541b6dce7f6cb3e089f0baae32df68e767c5df520cf4374feed35ae1711680955b095a2c7e921eecd61bd474eb641d725d25c24179fd3d2ce148cca
ripemd-160	62107b9f22f3e45afdeeecc806c5174a0d44bd29

21005429 as geometric shapes

Circle

Radius = n

Diameter	42010858
Circumference	131981002.8638
Area	1.3861587925022E+15

Sphere

Radius = n

Volume	3.8822480131508E+22
Surface area	5.5446351700089E+15
Circumference	131981002.8638

Square

Length = n

Perimeter	84021716
Area	441228047474041
Diagonal	29706162.575265

Cube

Length = n

Surface area	2647368284844246
Volume	9.2681844240246E+21
Space diagonal	36382470.262781

Equilateral Triangle

Length = n

Perimeter	63016287
Area	1.9105734898736E+14
Altitude	18191235.13139

Triangular Pyramid

Length = n

Surface area	1.9105734898736E+14
Volume	1.0922660092526E+21
Height	9902054.191755