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

18051985 (number)

18051985 is an odd 8-digits composite number following 18051984 and preceding 18051986. In scientific notation, it is written as 1.8051985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 12378480 positive integers (up to 18051985) that are relatively prime to 18051985.

Interesting facts

18051985 has 8 divisors, whose sum is 24757056
The reverse of 18051985 is 58915081
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighteen million fifty-one thousand nine hundred eighty-five

Notation

Scientific notation	1.8051985 × 10^7
Engineering notation	1.8051985 × 10^6

Prime Factorization of 18051985

Prime Factorization 5 × 7 × 515771

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18051985	Product of the distinct prime numbers

The prime factorization of 18051985 is 5 × 7 × 515771. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 21, 42, 591, 531, 5622, 2365, 45299, 16169, 80438, 122623, 4236758, 9797969, 66149096, 18645095, 998296487, 548922746, 4578020562, 907270664

Basic calculations (n = 18051985)

Multiplication

n×y

n×2	36103970
n×3	54155955
n×4	72207940
n×5	90259925

Division

n÷y

n÷2	9025992.5
n÷3	6017328.3333333
n÷3	4512996.25
n÷5	3610397

Exponentiation

n^y

n²	325874162440225
n³	5.8826754922585E+21
n⁴	1.0619396974612E+29
n⁵	1.9170119489474E+36

Nth Root

^y√n

²√n	4248.762761087
³√n	262.32619182072
⁴√n	65.182534172024
⁵√n	28.268645054019

Divisors of 18051985

1, 5, 7, 35, 515771, 2578855, 3610397, 18051985

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18051984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18051985 can be divided by 8 positive divisors. The sum of these divisors (counting 18051985) is 1, the average is 0.125.

Base conversion 18051985

Base	System	Value
2	Binary	1000100110111001110010001
3	Ternary	1020222010200001
4	Quaternary	1010313032101
5	Quinary	14110130420
6	Senary	1442530001
8	Octal	104671621
10	Decimal	18051985
12	Duodecimal	6066901
16	Hexadecimal	1137391
20	Vigesimal	5cg9j5
36	Base36	aqx01

Cryptographic Hash Functions

md5	be6c43700877b2e8e32bdb61d5b60cd5
sha1	38a358a6034d2077536c822c6d0e66add5cfb2ca
sha256	66ecb6e7b5f38a97ef14c40da6c431f0278b07b60555c77b3f6cfae945fdb24a
sha512	8fde977627af021b85aad9dc83eba735e93a43a2360b7a668dfceaf95ad193dd9e4da68341c091e28bcd5ff7a83844713f8fbfcde6846ce517f9d7e39dd92439
ripemd-160	5eff31278cc842bfd9c062dd8e8feff11edac1dd

18051985 as geometric shapes

Circle

Radius = n

Diameter	36103970
Circumference	113423966.91743
Area	1.0237638747169E+15

Sphere

Radius = n

Volume	2.4641293479909E+22
Surface area	4.0950554988678E+15
Circumference	113423966.91743

Square

Length = n

Perimeter	72207940
Area	325874162440225
Diagonal	25529362.014756

Cube

Length = n

Surface area	1955244974641350
Volume	5.8826754922585E+21
Space diagonal	31266955.197471

Equilateral Triangle

Length = n

Perimeter	54155955
Area	1.4110765155511E+14
Altitude	15633477.598736

Triangular Pyramid

Length = n

Surface area	1.4110765155511E+14
Volume	6.9327995534932E+20
Height	8509787.3382519