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

18738961 (number)

18738961 is an odd 8-digits prime number following 18738960 and preceding 18738962. In scientific notation, it is written as 1.8738961 × 10^7. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 18738960 positive integers (up to 18738961) that are relatively prime to 18738961.

Interesting facts

18738961 has 2 divisors, whose sum is 18738962
The reverse of 18738961 is 16983781
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighteen million seven hundred thirty-eight thousand nine hundred sixty-one

Notation

Scientific notation	1.8738961 × 10^7
Engineering notation	1.8738961 × 10^6

Prime Factorization of 18738961

Prime Factorization 18738961

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18738961	Product of the distinct prime numbers

The prime factorization of 18738961 is 18738961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 4, 13, 62, 190, 650, 8280, 6744, 63367, 79832, 219746, 702040, 1534491, 9173634, 80816234, 64040017, 246706403, 941133953, 6061652000, 5815556980

Basic calculations (n = 18738961)

Multiplication

n×y

n×2	37477922
n×3	56216883
n×4	74955844
n×5	93694805

Division

n÷y

n÷2	9369480.5
n÷3	6246320.3333333
n÷3	4684740.25
n÷5	3747792.2

Exponentiation

n^y

n²	351148659359521
n³	6.5801610329403E+21
n⁴	1.2330538096999E+29
n⁵	2.3106147250868E+36

Nth Root

^y√n

²√n	4328.8521573276
³√n	265.61249566973
⁴√n	65.794013081189
⁵√n	28.480597844854

Divisors of 18738961

1, 18738961

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18738962	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9369481	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4328.8522728317	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998932705	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18738961 can be divided by 2 positive divisors. The sum of these divisors (counting 18738961) is 18738962, the average is 9369481.

Base conversion 18738961

Base	System	Value
2	Binary	1000111011110111100010001
3	Ternary	1022021001000121
4	Quaternary	1013132330101
5	Quinary	14244121321
6	Senary	1505350241
8	Octal	107367421
10	Decimal	18738961
12	Duodecimal	6338381
16	Hexadecimal	11def11
20	Vigesimal	5h2781
36	Base36	b5n2p

Cryptographic Hash Functions

md5	6b3ceec7662290b560658bac29550c5d
sha1	fc094131abe3175ab42ec1c787caf4efe82b846f
sha256	b91a5a2ba19af82e9860639af5ac4d3ec5da61473c1a34683222921b1635a097
sha512	897ba7b8d55cd8dbbb3b65c9b95068c6da7afb46f3b80c3536be3b0bbd03e2704da3bb86f1e84e3d3b11b6a5d18ae583b9cfe1d7fedad73a85c3751500f7b8ef
ripemd-160	80d766425ad80365b5b2ca0a173ca646d9738c2a

18738961 as geometric shapes

Circle

Radius = n

Diameter	37477922
Circumference	117740364.42701
Area	1.1031660485618E+15

Sphere

Radius = n

Volume	2.7562914080698E+22
Surface area	4.4126641942471E+15
Circumference	117740364.42701

Square

Length = n

Perimeter	74955844
Area	351148659359521
Diagonal	26500892.79098

Cube

Length = n

Surface area	2106891956157126
Volume	6.5801610329403E+21
Space diagonal	32456832.533052

Equilateral Triangle

Length = n

Perimeter	56216883
Area	1.520518297551E+14
Altitude	16228416.266526

Triangular Pyramid

Length = n

Surface area	1.520518297551E+14
Volume	7.7547941461527E+20
Height	8833630.9303268