18397988, eighteen million three hundred ninety-seven thousand nine hundred eighty-eight: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

18397988 has 12 divisors, whose sum is 36796032
The reverse of 18397988 is 88979381
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8

Name

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

Notation

Scientific notation	1.8397988 × 10^7
Engineering notation	1.8397988 × 10^6

Prime Factorization of 18397988

Prime Factorization 2 × 2 × 7 × 657071

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	9198994	Product of the distinct prime numbers

The prime factorization of 18397988 is 2 × 2 × 7 × 657071. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 40, 87, 819, 826, 1162, 5839, 48286, 88460, 254116, 141657, 80320, 7175987, 74910298, 3264916, 668507498, 112046796, 7982658510, 9766597234

Basic calculations (n = 18397988)

Multiplication

n×y

n×2	36795976
n×3	55193964
n×4	73591952
n×5	91989940

Division

n÷y

n÷2	9198994
n÷3	6132662.6666667
n÷3	4599497
n÷5	3679597.6

Exponentiation

n^y

n²	338485962448144
n³	6.2274606752894E+21
n⁴	1.1457274677445E+29
n⁵	2.1079080202833E+36

Nth Root

^y√n

²√n	4289.2875865346
³√n	263.9916013551
⁴√n	65.492652920267
⁵√n	28.37618887933

Divisors of 18397988

1, 2, 4, 7, 14, 28, 657071, 1314142, 2628284, 4599497, 9198994, 18397988

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	-18397987	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 18397988 can be divided by 12 positive divisors. The sum of these divisors (counting 18397988) is 1, the average is 0.083333333333333.

Base conversion 18397988

Base	System	Value
2	Binary	1000110001011101100100100
3	Ternary	1021121201021222
4	Quaternary	1012023230210
5	Quinary	14202213423
6	Senary	1454155512
8	Octal	106135444
10	Decimal	18397988
12	Duodecimal	61b2b98
16	Hexadecimal	118bb24
20	Vigesimal	5ejej8
36	Base36	aybz8

Cryptographic Hash Functions

md5	0e40408551bed1f7fcfc7d4b4a2854f9
sha1	383c80e81bc8df752fdbc937011f2b625db6aeec
sha256	bae92cf5cc2e65b689b99b1b90b092aa075f15f026b4618839a171ca7bbeb3cb
sha512	e6253a4ef116405bc155de2e0c6d443de962c128121855c4bc80ab0012b2306a2632720d01f364fa6db08c70a7302ae9b39d9ad62f6aa7bede03ee3525d9bfa8
ripemd-160	0df54190ff0940f874fbbd75c4ddcd00376033bc

18397988 as geometric shapes

Circle

Radius = n

Diameter	36795976
Circumference	115597967.88327
Area	1.0633850129704E+15

Sphere

Radius = n

Volume	2.6085526277345E+22
Surface area	4.2535400518814E+15
Circumference	115597967.88327

Square

Length = n

Perimeter	73591952
Area	338485962448144
Diagonal	26018684.149977

Cube

Length = n

Surface area	2030915774688864
Volume	6.2274606752894E+21
Space diagonal	31866249.973043

Equilateral Triangle

Length = n

Perimeter	55193964
Area	1.4656872115226E+14
Altitude	15933124.986521

Triangular Pyramid

Length = n

Surface area	1.4656872115226E+14
Volume	7.3391327884495E+20
Height	8672894.7166592