1388215 is an odd 7-digits composite number following 1388214
and preceding 1388216 . In scientific notation, it is written as 1.388215 × 10^6.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 1110568 positive integers (up to 1388215) that are relatively prime to 1388215.
1388215 has 4 divisors, whose sum is 1665864
The reverse of 1388215 is 5128831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 28
Digital Root 1
Name
one million three hundred eighty-eight thousand two hundred fifteen
Scientific notation
1.388215 × 10^6
Engineering notation
1.388215 × 10^6
Prime Factorization
5 × 277643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388215
Product of the distinct prime numbers
The prime factorization of 1388215 is 5 × 277643.
Since it has a total of 2 prime factors.
3 , 1 , 57 , 71 , 982 , 774 , 4889 , 4295 , 78784 , 78206 , 994408 , 101456 , 9820412 , 7964760 , 28255455 , 22271482 , 45557920 , 971857670 , 9037288166 , 3448148110
n×2
2776430
n×3
4164645
n×4
5552860
n×5
6941075
n÷2
694107.5
n÷3
462738.33333333
n÷3
347053.75
n÷5
277643
n2
1927140886225
n3
2675285885370838375
n4
3.7138719953601E+24
n5
5.1556528120388E+30
2 √n
1178.2253604468
3 √n
111.5541104907
4 √n
34.325287477992
5 √n
16.923545234197
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
-1388214
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 1388215 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388215) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010010111010110111
3
Ternary
2121112021101
4
Quaternary
11102322313
5
Quinary
323410330
6
Senary
45430531
8
Octal
5227267
10
Decimal
1388215
12
Duodecimal
56b447
16
Hexadecimal
152eb7
20
Vigesimal
8daaf
36
Base36
tr5j
md5
ad995508d10ec703926c4bafcfa046a1
sha1
39b249187c4f7835eaa85b29919662ef3c3249dc
sha256
11c74595bb94fa2c35191da3d4f80f728ef09a4b0033e0de5d79630df792cbbe
sha512
d39b0448ad86a3c17293529a6499c8cfbabf6bf039346c2ac21f47f80c98a46532da6848535c69e5d99409cfb97428f901e246ff6ca4469f15c87cb065778e1b
ripemd-160
cc08da0191d5d5a8ccbae00585bbf7b7376808d4
Diameter
2776430
Circumference
8722412.0912063
Area
6054291650597
Volume
1.1206211311645E+19
Surface area
24217166602388
Circumference
8722412.0912063
Perimeter
5552860
Area
1927140886225
Diagonal
1963232.4804898
Surface area
11562845317350
Volume
2675285885370838375
Space diagonal
2404458.9118292
Perimeter
4164645
Area
834476482071.25
Altitude
1202229.4559146
Surface area
834476482071.25
Volume
3.1528546519306E+17
Height
654410.82682992