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

18821428 (number)

18821428 is an even 8-digits composite number following 18821427 and preceding 18821429. In scientific notation, it is written as 1.8821428 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 9256320 positive integers (up to 18821428) that are relatively prime to 18821428.

Interesting facts

18821428 has 12 divisors, whose sum is 33477892
The reverse of 18821428 is 82412881
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	1.8821428 × 10^7
Engineering notation	1.8821428 × 10^6

Prime Factorization of 18821428

Prime Factorization 2 × 2 × 61 × 77137

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	9410714	Product of the distinct prime numbers

The prime factorization of 18821428 is 2 × 2 × 61 × 77137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 52, 42, 606, 389, 5857, 2213, 58854, 59024, 875090, 652589, 129489, 5682984, 84589333, 2279786, 919917696, 28998993, 4231934343, 8009297277

Basic calculations (n = 18821428)

Multiplication

n×y

n×2	37642856
n×3	56464284
n×4	75285712
n×5	94107140

Division

n÷y

n÷2	9410714
n÷3	6273809.3333333
n÷3	4705357
n÷5	3764285.6

Exponentiation

n^y

n²	354246151959184
n³	6.6674184433768E+21
n⁴	1.2549033617789E+29
n⁵	2.3619073270679E+36

Nth Root

^y√n

²√n	4338.3669738739
³√n	266.00156405133
⁴√n	65.866281008373
⁵√n	28.505621493036

Divisors of 18821428

1, 2, 4, 61, 122, 244, 77137, 154274, 308548, 4705357, 9410714, 18821428

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18821427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821428 can be divided by 12 positive divisors. The sum of these divisors (counting 18821428) is 1, the average is 0.083333333333333.

Base conversion 18821428

Base	System	Value
2	Binary	1000111110011000100110100
3	Ternary	1022102020010221
4	Quaternary	1013303010310
5	Quinary	14304241203
6	Senary	1511224124
8	Octal	107630464
10	Decimal	18821428
12	Duodecimal	6378044
16	Hexadecimal	11f3134
20	Vigesimal	5hcdb8
36	Base36	b7epg

Cryptographic Hash Functions

md5	ea10c7594e9ebd61dcffa9b050a56204
sha1	8929ca7d454b9743f5fdd03497d4b6d9de5064ed
sha256	fc6c6fdf654598ce00b5b217064e1f90e2dff0a3fd080f086a3708e58b5c46ef
sha512	593aaff70e2adfb5103a5fcf0b9f43045a809d18ca97dd278c54b70dd0d1218f68e6b2c478437c0a0675f56b1a2fefbee9c7d23068ea944d2ddd415753b76bf8
ripemd-160	fb169845579de9780404717f9727c4a38b96b603

18821428 as geometric shapes

Circle

Radius = n

Diameter	37642856
Circumference	118258519.86974
Area	1.1128971085574E+15

Sphere

Radius = n

Volume	2.7928417066829E+22
Surface area	4.4515884342297E+15
Circumference	118258519.86974

Square

Length = n

Perimeter	75285712
Area	354246151959184
Diagonal	26617518.740829

Cube

Length = n

Surface area	2125476911755104
Volume	6.6674184433768E+21
Space diagonal	32599669.566999

Equilateral Triangle

Length = n

Perimeter	56464284
Area	1.5339308339477E+14
Altitude	16299834.7835

Triangular Pyramid

Length = n

Surface area	1.5339308339477E+14
Volume	7.8576279905334E+20
Height	8872506.2469429