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

21051431 (number)

21051431 is an odd 8-digits prime number following 21051430 and preceding 21051432. In scientific notation, it is written as 2.1051431 × 10^7. The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors. There are 21051430 positive integers (up to 21051431) that are relatively prime to 21051431.

Interesting facts

21051431 has 2 divisors, whose sum is 21051432
The reverse of 21051431 is 13415012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.1051431 × 10^7
Engineering notation	2.1051431 × 10^6

Prime Factorization of 21051431

Prime Factorization 21051431

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21051431	Product of the distinct prime numbers

The prime factorization of 21051431 is 21051431. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 35, 69, 203, 505, 3961, 4748, 37479, 9323, 281904, 718550, 6011525, 8966141, 10773284, 74156628, 104569269, 771178255, 8971147423, 3383484102

Basic calculations (n = 21051431)

Multiplication

n×y

n×2	42102862
n×3	63154293
n×4	84205724
n×5	105257155

Division

n÷y

n÷2	10525715.5
n÷3	7017143.6666667
n÷3	5262857.75
n÷5	4210286.2

Exponentiation

n^y

n²	443162747147761
n³	9.3292099933515E+21
n⁴	1.9639322045955E+29
n⁵	4.134358329372E+36

Nth Root

^y√n

²√n	4588.1838454883
³√n	276.11746295426
⁴√n	67.736133972115
⁵√n	29.151192450597

Divisors of 21051431

1, 21051431

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21051432	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10525716	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4588.1839544639	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999049946	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051431 can be divided by 2 positive divisors. The sum of these divisors (counting 21051431) is 21051432, the average is 10525716.

Base conversion 21051431

Base	System	Value
2	Binary	1010000010011100000100111
3	Ternary	1110121112010122
4	Quaternary	1100103200213
5	Quinary	20342121211
6	Senary	2031112155
8	Octal	120234047
10	Decimal	21051431
12	Duodecimal	707265b
16	Hexadecimal	1413827
20	Vigesimal	6bb8bb
36	Base36	cj7dz

Cryptographic Hash Functions

md5	3f2687bd5efeb003819d9c99633d0fae
sha1	123bbb335d2cbd4d1c5765035d70d67f16e93178
sha256	bdb8f4a5980b86f3136820aa6db1f92617c1262bf6aec9991d39d0b359b71b31
sha512	c6185d193d44f67e68a77788e4b5aa9febd2330cf29edd6f25511b06e59391e170c7592f63ebb69966f6b1d2aa883724e2e101a92e554e9d1d572eb488bbd7cc
ripemd-160	c5d5293f332a301f65bc38e581afd4c247a3819c

21051431 as geometric shapes

Circle

Radius = n

Diameter	42102862
Circumference	132270041.9543
Area	1.3922368307841E+15

Sphere

Radius = n

Volume	3.9078103438546E+22
Surface area	5.5689473231363E+15
Circumference	132270041.9543

Square

Length = n

Perimeter	84205724
Area	443162747147761
Diagonal	29771219.227561

Cube

Length = n

Surface area	2658976482886566
Volume	9.3292099933515E+21
Space diagonal	36462148.06403

Equilateral Triangle

Length = n

Perimeter	63154293
Area	1.9189509852043E+14
Altitude	18231074.032015

Triangular Pyramid

Length = n

Surface area	1.9189509852043E+14
Volume	1.0994579415687E+21
Height	9923739.7425205