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

21431428 (number)

21431428 is an even 8-digits composite number following 21431427 and preceding 21431429. In scientific notation, it is written as 2.1431428 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10715712 positive integers (up to 21431428) that are relatively prime to 21431428.

Interesting facts

21431428 has 6 divisors, whose sum is 37505006
The reverse of 21431428 is 82413412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.1431428 × 10^7
Engineering notation	2.1431428 × 10^6

Prime Factorization of 21431428

Prime Factorization 2 × 2 × 5357857

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10715714	Product of the distinct prime numbers

The prime factorization of 21431428 is 2 × 2 × 5357857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 52, 54, 93, 26, 8411, 2579, 11503, 34962, 169563, 640100, 4136882, 9219545, 38804882, 89895853, 736651922, 839545955, 7363479958, 1440709534

Basic calculations (n = 21431428)

Multiplication

n×y

n×2	42862856
n×3	64294284
n×4	85725712
n×5	107157140

Division

n÷y

n÷2	10715714
n÷3	7143809.3333333
n÷3	5357857
n÷5	4286285.6

Exponentiation

n^y

n²	459306106119184
n³	9.8435857432537E+21
n⁴	2.1096209911837E+29
n⁵	4.5212190379841E+36

Nth Root

^y√n

²√n	4629.4090335593
³√n	277.76895386489
⁴√n	68.039760681231
⁵√n	29.255681676277

Divisors of 21431428

1, 2, 4, 5357857, 10715714, 21431428

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21431427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431428 can be divided by 6 positive divisors. The sum of these divisors (counting 21431428) is 1, the average is 0.16666666666667.

Base conversion 21431428

Base	System	Value
2	Binary	1010001110000010010000100
3	Ternary	1111022211101121
4	Quaternary	1101300102010
5	Quinary	20441301203
6	Senary	2043203324
8	Octal	121602204
10	Decimal	21431428
12	Duodecimal	7216544
16	Hexadecimal	1470484
20	Vigesimal	6diib8
36	Base36	crclg

Cryptographic Hash Functions

md5	ceedbd8a78a1eccea011a7d91d6778c0
sha1	40910f5d2f766a9494049c2bc58d95dc76c04c7b
sha256	4ea0e0a4715fc57ff39ffad2daa381b1bf8d3225a22caf623c96e03254b5a4f9
sha512	2b83b2658126068a47718409567e165217539bd0f97cc6b69e13b687c915f8b49178bb68c1fc48ae3ec158df61af448b75f4e2cd043eea2e2c19acd537a56f32
ripemd-160	5b99249f0294a81ec454d2e7aeb6f4c0b85855a1

21431428 as geometric shapes

Circle

Radius = n

Diameter	42862856
Circumference	134657633.52148
Area	1.442952688733E+15

Sphere

Radius = n

Volume	4.1232715541316E+22
Surface area	5.7718107549318E+15
Circumference	134657633.52148

Square

Length = n

Perimeter	85725712
Area	459306106119184
Diagonal	30308616.138622

Cube

Length = n

Surface area	2755836636715104
Volume	9.8435857432537E+21
Space diagonal	37120322.174754

Equilateral Triangle

Length = n

Perimeter	64294284
Area	1.9888537800626E+14
Altitude	18560161.087377

Triangular Pyramid

Length = n

Surface area	1.9888537800626E+14
Volume	1.160077705041E+21
Height	10102872.046207