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

21128429 (number)

21128429 is an odd 8-digits composite number following 21128428 and preceding 21128430. In scientific notation, it is written as 2.1128429 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 18110076 positive integers (up to 21128429) that are relatively prime to 21128429.

Interesting facts

21128429 has 4 divisors, whose sum is 24146784
The reverse of 21128429 is 92482112
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1128429 × 10^7
Engineering notation	2.1128429 × 10^6

Prime Factorization of 21128429

Prime Factorization 7 × 3018347

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21128429	Product of the distinct prime numbers

The prime factorization of 21128429 is 7 × 3018347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 46, 48, 635, 498, 5515, 1315, 5569, 18717, 397126, 21894, 8330137, 4559847, 57072964, 50905046, 512500862, 625928312, 4335789868, 7850560637

Basic calculations (n = 21128429)

Multiplication

n×y

n×2	42256858
n×3	63385287
n×4	84513716
n×5	105642145

Division

n÷y

n÷2	10564214.5
n÷3	7042809.6666667
n÷3	5282107.25
n÷5	4225685.8

Exponentiation

n^y

n²	446410512008041
n³	9.4319528078155E+21
n⁴	1.9928234523128E+29
n⁵	4.2105228821726E+36

Nth Root

^y√n

²√n	4596.5670885999
³√n	276.45369700991
⁴√n	67.797987349183
⁵√n	29.172486079301

Divisors of 21128429

1, 7, 3018347, 21128429

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	-21128428	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 21128429 can be divided by 4 positive divisors. The sum of these divisors (counting 21128429) is 1, the average is 0.25.

Base conversion 21128429

Base	System	Value
2	Binary	1010000100110010011101101
3	Ternary	1110202102202102
4	Quaternary	1100212103231
5	Quinary	20402102204
6	Senary	2032504445
8	Octal	120462355
10	Decimal	21128429
12	Duodecimal	70ab125
16	Hexadecimal	14264ed
20	Vigesimal	6c1119
36	Base36	ckust

Cryptographic Hash Functions

md5	d90011e6234a2499fadb52323601b940
sha1	a2872b5ee563a6760308819c1ff6f1c2f20c04ad
sha256	bc345c6e82ca96cba55bacda23db5d00583df41096cc3fde3502d757d167b76d
sha512	639f2d9e2d14e181a1ddcbda64c671b667d8af3afe35169cd8c7c873b9079619ba3d4aed3ffe50f7811120f71b8d98daba01f6d99a71463e14defcdcfb25a427
ripemd-160	c9316da0fe6499d54f902d1dc0481e5d2c3be399

21128429 as geometric shapes

Circle

Radius = n

Diameter	42256858
Circumference	132753834.65659
Area	1.4024399850097E+15

Sphere

Radius = n

Volume	3.9508471533385E+22
Surface area	5.6097599400389E+15
Circumference	132753834.65659

Square

Length = n

Perimeter	84513716
Area	446410512008041
Diagonal	29880110.843437

Cube

Length = n

Surface area	2678463072048246
Volume	9.4319528078155E+21
Space diagonal	36595512.512112

Equilateral Triangle

Length = n

Perimeter	63385287
Area	1.9330142195769E+14
Altitude	18297756.256056

Triangular Pyramid

Length = n

Surface area	1.9330142195769E+14
Volume	1.111566298373E+21
Height	9960036.9478123