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

18897988 (number)

18897988 is an even 8-digits composite number following 18897987 and preceding 18897989. In scientific notation, it is written as 1.8897988 × 10^7. The sum of its digits is 58. It has a total of 3 prime factors and 6 positive divisors. There are 9448992 positive integers (up to 18897988) that are relatively prime to 18897988.

Interesting facts

18897988 has 6 divisors, whose sum is 33071486
The reverse of 18897988 is 88979881
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4

Name

Name	eighteen million eight hundred ninety-seven thousand nine hundred eighty-eight

Notation

Scientific notation	1.8897988 × 10^7
Engineering notation	1.8897988 × 10^6

Prime Factorization of 18897988

Prime Factorization 2 × 2 × 4724497

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	9448994	Product of the distinct prime numbers

The prime factorization of 18897988 is 2 × 2 × 4724497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 63, 18, 566, 301, 5489, 7115, 39427, 8344, 826478, 528886, 3537091, 8257011, 20558236, 40779080, 641416968, 822220643, 9354765313, 4776547039

Basic calculations (n = 18897988)

Multiplication

n×y

n×2	37795976
n×3	56693964
n×4	75591952
n×5	94489940

Division

n÷y

n÷2	9448994
n÷3	6299329.3333333
n÷3	4724497
n÷5	3779597.6

Exponentiation

n^y

n²	357133950448144
n³	6.7491131099616E+21
n⁴	1.275446585627E+29
n⁵	2.410337426982E+36

Nth Root

^y√n

²√n	4347.1816157138
³√n	266.36174800295
⁴√n	65.933160213308
⁵√n	28.528774338782

Divisors of 18897988

1, 2, 4, 4724497, 9448994, 18897988

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	-18897987	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 18897988 can be divided by 6 positive divisors. The sum of these divisors (counting 18897988) is 1, the average is 0.16666666666667.

Base conversion 18897988

Base	System	Value
2	Binary	1001000000101110001000100
3	Ternary	1022120010011111
4	Quaternary	1020011301010
5	Quinary	14314213423
6	Senary	1513014404
8	Octal	110056104
10	Decimal	18897988
12	Duodecimal	63b4404
16	Hexadecimal	1205c44
20	Vigesimal	5i24j8
36	Base36	b91s4

Cryptographic Hash Functions

md5	3d89c01021e4d8871a99a3d584dc4c87
sha1	ae14744a4d16ebe3ffb09ea43ee99dc7a16c9ec5
sha256	555583e0d17332a3f4d722098bf3b3c8d46c905cb8ed6d209becbc008b0a6c1c
sha512	a9300afe008240ea21cb1b20e8d8dd3a657f43197906b268cbdc2152dd9aa7e69244851fc0a1f08b80cff5984dc8ced5bc2a701201319ef0c2b06c8cdbdeee6e
ripemd-160	91b26da0f1e434fac8ad3d1ec536a60007921aa1

18897988 as geometric shapes

Circle

Radius = n

Diameter	37795976
Circumference	118739560.53686
Area	1.1219693950754E+15

Sphere

Radius = n

Volume	2.8270618886003E+22
Surface area	4.4878775803016E+15
Circumference	118739560.53686

Square

Length = n

Perimeter	75591952
Area	357133950448144
Diagonal	26725790.931164

Cube

Length = n

Surface area	2142803702688864
Volume	6.7491131099616E+21
Space diagonal	32732275.376827

Equilateral Triangle

Length = n

Perimeter	56693964
Area	1.5464353682099E+14
Altitude	16366137.688413

Triangular Pyramid

Length = n

Surface area	1.5464353682099E+14
Volume	7.9539060784148E+20
Height	8908596.9770547