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

18890081 (number)

18890081 is an odd 8-digits composite number following 18890080 and preceding 18890082. In scientific notation, it is written as 1.8890081 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16191492 positive integers (up to 18890081) that are relatively prime to 18890081.

Interesting facts

18890081 has 4 divisors, whose sum is 21588672
The reverse of 18890081 is 18009881
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	eighteen million eight hundred ninety thousand eighty-one

Notation

Scientific notation	1.8890081 × 10^7
Engineering notation	1.8890081 × 10^6

Prime Factorization of 18890081

Prime Factorization 7 × 2698583

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18890081	Product of the distinct prime numbers

The prime factorization of 18890081 is 7 × 2698583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 75, 65, 981, 341, 841, 7980, 61503, 30734, 476464, 97543, 8830424, 1734195, 53599628, 4447460, 891285316, 613180717, 1518619851, 115350050

Basic calculations (n = 18890081)

Multiplication

n×y

n×2	37780162
n×3	56670243
n×4	75560324
n×5	94450405

Division

n÷y

n÷2	9445040.5
n÷3	6296693.6666667
n÷3	4722520.25
n÷5	3778016.2

Exponentiation

n^y

n²	356835160186561
n³	6.7406450795721E+21
n⁴	1.2733133154537E+29
n⁵	2.4052991667299E+36

Nth Root

^y√n

²√n	4346.2720807607
³√n	266.32459385111
⁴√n	65.92626245102
⁵√n	28.526386626597

Divisors of 18890081

1, 7, 2698583, 18890081

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	-18890080	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 18890081 can be divided by 4 positive divisors. The sum of these divisors (counting 18890081) is 1, the average is 0.25.

Base conversion 18890081

Base	System	Value
2	Binary	1001000000011110101100001
3	Ternary	1022112201022122
4	Quaternary	1020003311201
5	Quinary	14313440311
6	Senary	1512514025
8	Octal	110036541
10	Decimal	18890081
12	Duodecimal	63ab915
16	Hexadecimal	1203d61
20	Vigesimal	5i1541
36	Base36	b8voh

Cryptographic Hash Functions

md5	7808a3fc343b325022ecb2b37f054575
sha1	4b8ca826206f1a7ed875d0dba2cb153cc7f33f10
sha256	0fe0a7cfe8083c689d67b810a4704d070424943bd6fb7fc161628095f1683ec6
sha512	cded4b2042e9e91317343ddc2cb27537ddc8452c5d4494cec4f3a7b656798223e2f2e1d5434e8141685294c94fafff8cdea4c2dd9e6a22ddf0e998ac036a9639
ripemd-160	2d2ec7540920bba9cca73e68f1e7b4fee247f2d8

18890081 as geometric shapes

Circle

Radius = n

Diameter	37780162
Circumference	118689879.39063
Area	1.1210307177846E+15

Sphere

Radius = n

Volume	2.8235148083253E+22
Surface area	4.4841228711385E+15
Circumference	118689879.39063

Square

Length = n

Perimeter	75560324
Area	356835160186561
Diagonal	26714608.744526

Cube

Length = n

Surface area	2141010961119366
Volume	6.7406450795721E+21
Space diagonal	32718580.051092

Equilateral Triangle

Length = n

Perimeter	56670243
Area	1.5451415684253E+14
Altitude	16359290.025546

Triangular Pyramid

Length = n

Surface area	1.5451415684253E+14
Volume	7.9439264088953E+20
Height	8904869.5815088