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

20421831 (number)

20421831 is an odd 8-digits composite number following 20421830 and preceding 20421832. In scientific notation, it is written as 2.0421831 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13614552 positive integers (up to 20421831) that are relatively prime to 20421831.

Interesting facts

20421831 has 4 divisors, whose sum is 27229112
The reverse of 20421831 is 13812402
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.0421831 × 10^7
Engineering notation	2.0421831 × 10^6

Prime Factorization of 20421831

Prime Factorization 3 × 6807277

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20421831	Product of the distinct prime numbers

The prime factorization of 20421831 is 3 × 6807277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 92, 31, 924, 898, 3884, 6637, 11987, 17658, 404385, 526674, 5808277, 4742616, 82386897, 1768035, 854879903, 437651640, 2335728217, 9459528449

Basic calculations (n = 20421831)

Multiplication

n×y

n×2	40843662
n×3	61265493
n×4	81687324
n×5	102109155

Division

n÷y

n÷2	10210915.5
n÷3	6807277
n÷3	5105457.75
n÷5	4084366.2

Exponentiation

n^y

n²	417051181392561
n³	8.5169487447492E+21
n⁴	1.7393168790093E+29
n⁵	3.5520035358576E+36

Nth Root

^y√n

²√n	4519.0520023562
³√n	273.33687565639
⁴√n	67.223894578909
⁵√n	28.974699168885

Divisors of 20421831

1, 3, 6807277, 20421831

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	-20421830	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 20421831 can be divided by 4 positive divisors. The sum of these divisors (counting 20421831) is 1, the average is 0.25.

Base conversion 20421831

Base	System	Value
2	Binary	1001101111001110011000111
3	Ternary	1102102112111010
4	Quaternary	1031321303013
5	Quinary	20211444311
6	Senary	2005413303
8	Octal	115716307
10	Decimal	20421831
12	Duodecimal	6a0a233
16	Hexadecimal	1379cc7
20	Vigesimal	67cebb
36	Base36	c5pl3

Cryptographic Hash Functions

md5	82b7be993f5003e487f95e9420b9494a
sha1	b5464ae77cc6417f1236a913b2e47d990acce107
sha256	3ebea871cc2e9aaaddb26c01d63923cb181cbdcaecddb0f3b3c059c7ac26078c
sha512	630e8801fc7ae094ee74f3f0327fd81131c02f5fb53a442b41941a9e4a151c381fd80277c03d8078d8d026c2b9164cc0c29ae2772f5e8206d881435797d54989
ripemd-160	c2625a3dbadee43790bf03322454a0721c00fb98

20421831 as geometric shapes

Circle

Radius = n

Diameter	40843662
Circumference	128314148.4849
Area	1.3102049276338E+15

Sphere

Radius = n

Volume	3.5675711476673E+22
Surface area	5.2408197105353E+15
Circumference	128314148.4849

Square

Length = n

Perimeter	81687324
Area	417051181392561
Diagonal	28880830.368691

Cube

Length = n

Surface area	2502307088355366
Volume	8.5169487447492E+21
Space diagonal	35371648.875585

Equilateral Triangle

Length = n

Perimeter	61265493
Area	1.8058845888213E+14
Altitude	17685824.437793

Triangular Pyramid

Length = n

Surface area	1.8058845888213E+14
Volume	1.0037320354051E+21
Height	9626943.4562304