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

1387890 (number)

1387890 is an even 7-digits composite number following 1387889 and preceding 1387891. In scientific notation, it is written as 1.387890 × 10^6. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 317088 positive integers (up to 1387890) that are relatively prime to 1387890.

Interesting facts

1387890 has 16 divisors, whose sum is 2433216
The reverse of 1387890 is 0987831
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 36
Digital Root 9

Name

Name	one million three hundred eighty-seven thousand eight hundred ninety

Notation

Scientific notation	1.387890 × 10^6
Engineering notation	1.387890 × 10^6

Prime Factorization of 1387890

Prime Factorization 2 × 45 × 7 × 2203

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1387890	Product of the distinct prime numbers

The prime factorization of 1387890 is 2 × 45 × 7 × 2203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 76, 4, 400, 958, 4018, 412, 45789, 81139, 346306, 218554, 730655, 3442347, 96352348, 35103818, 45432091, 582560853, 7188811945, 7848709582

Basic calculations (n = 1387890)

Multiplication

n×y

n×2	2775780
n×3	4163670
n×4	5551560
n×5	6939450

Division

n÷y

n÷2	693945
n÷3	462630
n÷3	346972.5
n÷5	277578

Exponentiation

n^y

n²	1926238652100
n³	2673407362863069000
n⁴	3.710395344844E+24
n⁵	5.1496205951556E+30

Nth Root

^y√n

²√n	1178.0874330881
³√n	111.54540436675
⁴√n	34.323278297506
⁵√n	16.922752753588

Divisors of 1387890

1, 2, 7, 14, 45, 90, 315, 630, 2203, 4406, 15421, 30842, 99135, 198270, 693945, 1387890

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1387889	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387890 can be divided by 16 positive divisors. The sum of these divisors (counting 1387890) is 1, the average is 0.0625.

Base conversion 1387890

Base	System	Value
2	Binary	101010010110101110010
3	Ternary	2121111211100
4	Quaternary	11102311302
5	Quinary	323403030
6	Senary	45425230
8	Octal	5226562
10	Decimal	1387890
12	Duodecimal	56b216
16	Hexadecimal	152d72
20	Vigesimal	8d9ea
36	Base36	tqwi

Cryptographic Hash Functions

md5	a19ac5936862668cc87332cdd648f9c5
sha1	b42a8f40cde46f075830b33bb7b6551bc860e95b
sha256	41f8a599f241717f4c9b7e4645faccd546beca41fcc12c19b09e57a3714511cc
sha512	9269dfa6553b311db075ff76440b6a60e9be6231c023cac79f56d9744022efa3fa1c775dffd9f097022c0463bd4684598ca335d8526b5ad088e6fe665fd16418
ripemd-160	8d1b3bc976ddd9d31a75f82825297a56780e801e

1387890 as geometric shapes

Circle

Radius = n

Diameter	2775780
Circumference	8720370.0559815
Area	6051457198498.1

Sphere

Radius = n

Volume	1.1198342574965E+19
Surface area	24205828793992
Circumference	8720370.0559815

Square

Length = n

Perimeter	5551560
Area	1926238652100
Diagonal	1962772.861082

Cube

Length = n

Surface area	11557431912600
Volume	2673407362863069000
Space diagonal	2403895.9953168

Equilateral Triangle

Length = n

Perimeter	4163670
Area	834085803235.05
Altitude	1201947.9976584

Triangular Pyramid

Length = n

Surface area	834085803235.05
Volume	3.1506407919242E+17
Height	654257.62036067