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

1387989 (number)

1387989 is an odd 7-digits composite number following 1387988 and preceding 1387990. In scientific notation, it is written as 1.387989 × 10^6. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 925308 positive integers (up to 1387989) that are relatively prime to 1387989.

Interesting facts

1387989 has 8 divisors, whose sum is 2056320
The reverse of 1387989 is 9897831
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	1.387989 × 10^6
Engineering notation	1.387989 × 10^6

Prime Factorization of 1387989

Prime Factorization 3 × 9 × 51407

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1387989	Product of the distinct prime numbers

The prime factorization of 1387989 is 3 × 9 × 51407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 94, 63, 941, 591, 5281, 3101, 39455, 45775, 531781, 490948, 3222579, 826704, 46360994, 2304252, 437952935, 820436198, 8972716726, 3348493446

Basic calculations (n = 1387989)

Multiplication

n×y

n×2	2775978
n×3	4163967
n×4	5551956
n×5	6939945

Division

n÷y

n÷2	693994.5
n÷3	462663
n÷3	346997.25
n÷5	277597.8

Exponentiation

n^y

n²	1926513464121
n³	2673979496551842669
n⁴	3.7114541274395E+24
n⁵	5.1514575028906E+30

Nth Root

^y√n

²√n	1178.1294495937
³√n	111.54805652998
⁴√n	34.323890362162
⁵√n	16.922994171096

Divisors of 1387989

1, 3, 9, 27, 51407, 154221, 462663, 1387989

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1387988	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387989 can be divided by 8 positive divisors. The sum of these divisors (counting 1387989) is 1, the average is 0.125.

Base conversion 1387989

Base	System	Value
2	Binary	101010010110111010101
3	Ternary	2121111222000
4	Quaternary	11102313111
5	Quinary	323403424
6	Senary	45425513
8	Octal	5226725
10	Decimal	1387989
12	Duodecimal	56b299
16	Hexadecimal	152dd5
20	Vigesimal	8d9j9
36	Base36	tqz9

Cryptographic Hash Functions

md5	3d89ad54cc668a074c37ed84f26f6acd
sha1	6e8e20e0011fd557b030532364d82c343fbce8fd
sha256	af1ae1339111a5f1d35fddecb44583081316ad0deefa6c55a4e03efe3184ebaf
sha512	a521e5c1dd2f8b6670ced87d87078be675d9c20c096efd6d334ef7f7c84792947e78cd559962ceea9d34fed590dc8c5577a36b47aceda7e9aafe3ae2fcaa3e1b
ripemd-160	d683dbae636efc93ffb20a0e093ee7a4225c9e44

1387989 as geometric shapes

Circle

Radius = n

Diameter	2775978
Circumference	8720992.0913269
Area	6052320545924.4

Sphere

Radius = n

Volume	1.1200739122956E+19
Surface area	24209282183697
Circumference	8720992.0913269

Square

Length = n

Perimeter	5551956
Area	1926513464121
Diagonal	1962912.8682247

Cube

Length = n

Surface area	11559080784726
Volume	2673979496551842669
Space diagonal	2404067.4683467

Equilateral Triangle

Length = n

Perimeter	4163967
Area	834204800330.77
Altitude	1202033.7341734

Triangular Pyramid

Length = n

Surface area	834204800330.77
Volume	3.1513150579427E+17
Height	654304.28940822