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

1387985 (number)

1387985 is an odd 7-digits composite number following 1387984 and preceding 1387986. In scientific notation, it is written as 1.387985 × 10^6. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 1110384 positive integers (up to 1387985) that are relatively prime to 1387985.

Interesting facts

1387985 has 4 divisors, whose sum is 1665588
The reverse of 1387985 is 5897831
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 41
Digital Root 5

Name

Name	one million three hundred eighty-seven thousand nine hundred eighty-five

Notation

Scientific notation	1.387985 × 10^6
Engineering notation	1.387985 × 10^6

Prime Factorization of 1387985

Prime Factorization 5 × 277597

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1387985	Product of the distinct prime numbers

The prime factorization of 1387985 is 5 × 277597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 4, 53, 672, 170, 6568, 9407, 83171, 91434, 169621, 644948, 8380517, 3791953, 19866592, 56767468, 163919310, 778518234, 6724730679, 6708595621

Basic calculations (n = 1387985)

Multiplication

n×y

n×2	2775970
n×3	4163955
n×4	5551940
n×5	6939925

Division

n÷y

n÷2	693992.5
n÷3	462661.66666667
n÷3	346996.25
n÷5	277597

Exponentiation

n^y

n²	1926502360225
n³	2673956378456896625
n⁴	3.7114113439525E+24
n⁵	5.1513832742359E+30

Nth Root

^y√n

²√n	1178.1277519862
³√n	111.54794937432
⁴√n	34.323865632912
⁵√n	16.92298441712

Divisors of 1387985

1, 5, 277597, 1387985

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	-1387984	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 1387985 can be divided by 4 positive divisors. The sum of these divisors (counting 1387985) is 1, the average is 0.25.

Base conversion 1387985

Base	System	Value
2	Binary	101010010110111010001
3	Ternary	2121111221212
4	Quaternary	11102313101
5	Quinary	323403420
6	Senary	45425505
8	Octal	5226721
10	Decimal	1387985
12	Duodecimal	56b295
16	Hexadecimal	152dd1
20	Vigesimal	8d9j5
36	Base36	tqz5

Cryptographic Hash Functions

md5	533ab56684c147b6baf4c3da565843ee
sha1	21f36be187883ec8758d1204cb8f8af8594a2581
sha256	5597ec40837c9d7c1a4c708519308de5b810ae085cf668e11eeadb8f34aad5de
sha512	9476d8ff506efdbfeb27651493d0eea570434d1e53d15d287ff2cdbcbbeb69f23783f850b39e32d4531571295adfe7326fa5865d9a16425e34bdcd53be467a60
ripemd-160	ae2145db6b5c104beacf617c99365a6cf27111c9

1387985 as geometric shapes

Circle

Radius = n

Diameter	2775970
Circumference	8720966.9585857
Area	6052285662006.3

Sphere

Radius = n

Volume	1.1200642286106E+19
Surface area	24209142648025
Circumference	8720966.9585857

Square

Length = n

Perimeter	5551940
Area	1926502360225
Diagonal	1962907.2113704

Cube

Length = n

Surface area	11559014161350
Volume	2673956378456896625
Space diagonal	2404060.5401435

Equilateral Triangle

Length = n

Perimeter	4163955
Area	834199992202.76
Altitude	1202030.2700717

Triangular Pyramid

Length = n

Surface area	834199992202.76
Volume	3.1512878130065E+17
Height	654302.40379014