1388992 is an even 7-digits composite number following 1388991
and preceding 1388993 . In scientific notation, it is written as 1.388992 × 10^6.
The sum of its digits is 40. It has a total of 8 prime factors and 28 positive divisors.
There are 631040 positive integers (up to 1388992) that are relatively prime to 1388992.
1388992 has 28 divisors, whose sum is 3008376
The reverse of 1388992 is 2998831
Previous prime number is 11
Is Prime? no
Number parity even
Number length 7
Sum of Digits 40
Digital Root 4
Name
one million three hundred eighty-eight thousand nine hundred ninety-two
Scientific notation
1.388992 × 10^6
Engineering notation
1.388992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 11 × 1973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
43406
Product of the distinct prime numbers
The prime factorization of 1388992 is 2 × 2 × 2 × 2 × 2 × 2 × 11 × 1973.
Since it has a total of 8 prime factors.
5 , 7 , 65 , 10 , 514 , 945 , 5254 , 3134 , 49921 , 29386 , 343111 , 271149 , 240495 , 8443358 , 78749227 , 72474180 , 949376767 , 544129872 , 138776604 , 1851472526
n×2
2777984
n×3
4166976
n×4
5555968
n×5
6944960
n÷2
694496
n÷3
462997.33333333
n÷3
347248
n÷5
277798.4
n2
1929298776064
n3
2679780565562687488
n4
3.722193767322E+24
n5
5.1700973652602E+30
2 √n
1178.5550475052
3 √n
111.57491931772
4 √n
34.330089535351
5 √n
16.92543927102
1 , 2 , 4 , 8 , 11 , 16 , 22 , 32 , 44 , 64 , 88 , 176 , 352 , 704 , 1973 , 3946 , 7892 , 15784 , 21703 , 31568 , 43406 , 63136 , 86812 , 126272 , 173624 , 347248 , 694496 , 1388992
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388992 can be divided by 28 positive divisors.
The sum of these divisors (counting 1388992) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
101010011000111000000
3
Ternary
2121120100011
4
Quaternary
11103013000
5
Quinary
323421432
6
Senary
45434304
8
Octal
5230700
10
Decimal
1388992
12
Duodecimal
56b994
16
Hexadecimal
1531c0
20
Vigesimal
8dc9c
36
Base36
trr4
md5
b2acc0a6aad6934fbd316fadb51f29ee
sha1
a357c0c2d11ffc707899c07d6560433e1c292bb7
sha256
455dd7bc0aad878bf18e04a6aac41ed8fd1e702e1641548a6c7e7c7417d98d0f
sha512
a4aed6090c1bdc1a406e1e2f3e5f6c13995a774549582f78d828c8496fc81050b6e667f795033eb46f6bfcda84199d6cddf7fab0ce5afa20cf7711e16ffd3fd6
ripemd-160
272beed9a4cdfe785397070b551917664f011fe6
Diameter
2777984
Circumference
8727294.12619
Area
6061070861462.4
Volume
1.1225038584006E+19
Surface area
24244283445850
Circumference
8727294.12619
Perimeter
5555968
Area
1929298776064
Diagonal
1964331.3244277
Surface area
11575792656384
Volume
2679780565562687488
Space diagonal
2405804.7153067
Perimeter
4166976
Area
835410875780.82
Altitude
1202902.3576534
Surface area
835410875780.82
Volume
3.1581516833355E+17
Height
654777.10814258