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

1388891 (number)

1388891 is an odd 7-digits composite number following 1388890 and preceding 1388892. In scientific notation, it is written as 1.388891 × 10^6. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 1190472 positive integers (up to 1388891) that are relatively prime to 1388891.

Interesting facts

1388891 has 4 divisors, whose sum is 1587312
The reverse of 1388891 is 1988831
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.388891 × 10^6
Engineering notation	1.388891 × 10^6

Prime Factorization of 1388891

Prime Factorization 7 × 198413

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1388891	Product of the distinct prime numbers

The prime factorization of 1388891 is 7 × 198413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 5, 27, 67, 658, 8917, 4131, 65214, 95930, 705212, 143395, 6750961, 6120, 83917783, 19712936, 636904580, 786956441, 3392164586, 4176298759

Basic calculations (n = 1388891)

Multiplication

n×y

n×2	2777782
n×3	4166673
n×4	5555564
n×5	6944455

Division

n÷y

n÷2	694445.5
n÷3	462963.66666667
n÷3	347222.75
n÷5	277778.2

Exponentiation

n^y

n²	1929018209881
n³	2679196030539831971
n⁴	3.7211112540525E+24
n⁵	5.1682179307522E+30

Nth Root

^y√n

²√n	1178.5121976458
³√n	111.57221487689
⁴√n	34.329465443636
⁵√n	16.925193118545

Divisors of 1388891

1, 7, 198413, 1388891

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	-1388890	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 1388891 can be divided by 4 positive divisors. The sum of these divisors (counting 1388891) is 1, the average is 0.25.

Base conversion 1388891

Base	System	Value
2	Binary	101010011000101011011
3	Ternary	2121120012102
4	Quaternary	11103011123
5	Quinary	323421031
6	Senary	45434015
8	Octal	5230533
10	Decimal	1388891
12	Duodecimal	56b90b
16	Hexadecimal	15315b
20	Vigesimal	8dc4b
36	Base36	trob

Cryptographic Hash Functions

md5	85dd903e583f8ea913abf51f18bcbac3
sha1	1a920c1fdb2e45dd11d09c4895d18121f79b388f
sha256	c2154a8fe661a27326b51ed7c9d034be71d52a3b697b9d11b5511d8cb039e1fe
sha512	29c6a6fdd99746d49cdd92170e772e4d82c27b98b68ea695a1f50d07ccd47235ba9a0cca20c2cfce419d24e6efcae0c2f915af15a1cf82e34007a50e6e8d9cf5
ripemd-160	058a67e4cbb1f5d201a00af0e8c658c68d37425d

1388891 as geometric shapes

Circle

Radius = n

Diameter	2777782
Circumference	8726659.524474
Area	6060189436803.1

Sphere

Radius = n

Volume	1.1222590089428E+19
Surface area	24240757747212
Circumference	8726659.524474

Square

Length = n

Perimeter	5555564
Area	1929018209881
Diagonal	1964188.4888579

Cube

Length = n

Surface area	11574109259286
Volume	2679196030539831971
Space diagonal	2405629.7781751

Equilateral Triangle

Length = n

Perimeter	4166673
Area	835289387059.86
Altitude	1202814.8890876

Triangular Pyramid

Length = n

Surface area	835289387059.86
Volume	3.1574628022047E+17
Height	654729.49628598