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

18888961 (number)

18888961 is an odd 8-digits composite number following 18888960 and preceding 18888962. In scientific notation, it is written as 1.8888961 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 14938560 positive integers (up to 18888961) that are relatively prime to 18888961.

Interesting facts

18888961 has 12 divisors, whose sum is 20880300
The reverse of 18888961 is 16988881
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	eighteen million eight hundred eighty-eight thousand nine hundred sixty-one

Notation

Scientific notation	1.8888961 × 10^7
Engineering notation	1.8888961 × 10^6

Prime Factorization of 18888961

Prime Factorization 49 × 13 × 13 × 2281

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1452997	Product of the distinct prime numbers

The prime factorization of 18888961 is 49 × 13 × 13 × 2281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 90, 52, 435, 754, 8864, 4931, 16919, 25596, 632193, 710053, 2114815, 4405187, 43158567, 77787327, 954323067, 671053666, 1075327445, 6252753825

Basic calculations (n = 18888961)

Multiplication

n×y

n×2	37777922
n×3	56666883
n×4	75555844
n×5	94444805

Division

n÷y

n÷2	9444480.5
n÷3	6296320.3333333
n÷3	4722240.25
n÷5	3777792.2

Exponentiation

n^y

n²	356792847659521
n³	6.7394461845196E+21
n⁴	1.2730113614099E+29
n⁵	2.4045861958229E+36

Nth Root

^y√n

²√n	4346.1432327985
³√n	266.31933025201
⁴√n	65.925285231074
⁵√n	28.526048350538

Divisors of 18888961

1, 13, 49, 169, 637, 2281, 8281, 29653, 111769, 385489, 1452997, 18888961

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	-18888960	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 18888961 can be divided by 12 positive divisors. The sum of these divisors (counting 18888961) is 1, the average is 0.083333333333333.

Base conversion 18888961

Base	System	Value
2	Binary	1001000000011100100000001
3	Ternary	1022112122210011
4	Quaternary	1020003210001
5	Quinary	14313421321
6	Senary	1512504521
8	Octal	110034401
10	Decimal	18888961
12	Duodecimal	63ab141
16	Hexadecimal	1203901
20	Vigesimal	5i1281
36	Base36	b8utd

Cryptographic Hash Functions

md5	3fd7f79fca298fd480a9a6c47d31901d
sha1	6fe75c16c32fdbdc1459f30f840d29df10d83aff
sha256	759a0cfa8e81ed095a0faf206528a2bcd1d6c0ed981de2eed5974cc8340f32a3
sha512	70524fb5ca4bd0e479c1f899bf9ca81ef5463d35f439e8acce55586252d711668a245df5e40ed7bfb858f30578428c747e74d033ce8d7e3b3e176bf2f972129e
ripemd-160	c8cb124fa6781fde412f67595c264162c8a385da

18888961 as geometric shapes

Circle

Radius = n

Diameter	37777922
Circumference	118682842.22309
Area	1.1208977890605E+15

Sphere

Radius = n

Volume	2.8230126163401E+22
Surface area	4.4835911562421E+15
Circumference	118682842.22309

Square

Length = n

Perimeter	75555844
Area	356792847659521
Diagonal	26713024.825336

Cube

Length = n

Surface area	2140757085957126
Volume	6.7394461845196E+21
Space diagonal	32716640.154187

Equilateral Triangle

Length = n

Perimeter	56666883
Area	1.5449583498087E+14
Altitude	16358320.077094

Triangular Pyramid

Length = n

Surface area	1.5449583498087E+14
Volume	7.9425134975261E+20
Height	8904341.6084455