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

18881372 (number)

18881372 is an even 8-digits composite number following 18881371 and preceding 18881373. In scientific notation, it is written as 1.8881372 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 9440684 positive integers (up to 18881372) that are relatively prime to 18881372.

Interesting facts

18881372 has 6 divisors, whose sum is 33042408
The reverse of 18881372 is 27318881
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighteen million eight hundred eighty-one thousand three hundred seventy-two

Notation

Scientific notation	1.8881372 × 10^7
Engineering notation	1.8881372 × 10^6

Prime Factorization of 18881372

Prime Factorization 2 × 2 × 4720343

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	9440686	Product of the distinct prime numbers

The prime factorization of 18881372 is 2 × 2 × 4720343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 22, 72, 789, 166, 4023, 1678, 84229, 55412, 317028, 662739, 1792283, 8194987, 21540209, 83746224, 435812240, 505255858, 7565743446, 6303647901

Basic calculations (n = 18881372)

Multiplication

n×y

n×2	37762744
n×3	56644116
n×4	75525488
n×5	94406860

Division

n÷y

n÷2	9440686
n÷3	6293790.6666667
n÷3	4720343
n÷5	3776274.4

Exponentiation

n^y

n²	356506208602384
n³	6.7313263449312E+21
n⁴	1.2709667677205E+29
n⁵	2.3997596340968E+36

Nth Root

^y√n

²√n	4345.2700721589
³√n	266.28365918591
⁴√n	65.918662548317
⁵√n	28.523755805385

Divisors of 18881372

1, 2, 4, 4720343, 9440686, 18881372

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18881371	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18881372 can be divided by 6 positive divisors. The sum of these divisors (counting 18881372) is 1, the average is 0.16666666666667.

Base conversion 18881372

Base	System	Value
2	Binary	1001000000001101101011100
3	Ternary	1022112021101002
4	Quaternary	1020001231130
5	Quinary	14313200442
6	Senary	1512405432
8	Octal	110015534
10	Decimal	18881372
12	Duodecimal	63a6878
16	Hexadecimal	1201b5c
20	Vigesimal	5i038c
36	Base36	b8oyk

Cryptographic Hash Functions

md5	9bb5e3ed46303eba2e5607892bb4b7e1
sha1	c4950d096086e62fc36d2fd8fb67a2f408c1392e
sha256	3724da072746968a5c29cb05aedaaf3f330b9077e3df0cd33c465b42f035d66b
sha512	1bcf83bf7ea337cb9a959426ab99bd268769245579e25f1749ad7d4f81072ac6d3dcf25da4c61ee3c0411364e7dcb3f04c936cc3533d90c026366698c481e688
ripemd-160	a974663d81504c966c433c6d360fc9bcd24f762e

18881372 as geometric shapes

Circle

Radius = n

Diameter	37762744
Circumference	118635159.12979
Area	1.1199972859044E+15

Sphere

Radius = n

Volume	2.8196113858868E+22
Surface area	4.4799891436176E+15
Circumference	118635159.12979

Square

Length = n

Perimeter	75525488
Area	356506208602384
Diagonal	26702292.358612

Cube

Length = n

Surface area	2139037251614304
Volume	6.7313263449312E+21
Space diagonal	32703495.620608

Equilateral Triangle

Length = n

Perimeter	56644116
Area	1.5437171662827E+14
Altitude	16351747.810304

Triangular Pyramid

Length = n

Surface area	1.5437171662827E+14
Volume	7.9329441748009E+20
Height	8900764.1195372