1381288 is an even 7-digits composite number following 1381287
and preceding 1381289 . In scientific notation, it is written as 1.381288 × 10^6.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 660528 positive integers (up to 1381288) that are relatively prime to 1381288.
1381288 has 16 divisors, whose sum is 2702880
The reverse of 1381288 is 8821831
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million three hundred eighty-one thousand two hundred eighty-eight
Scientific notation
1.381288 × 10^6
Engineering notation
1.381288 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 7507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
345322
Product of the distinct prime numbers
The prime factorization of 1381288 is 2 × 2 × 2 × 23 × 7507.
Since it has a total of 5 prime factors.
4 , 8 , 2 , 70 , 215 , 671 , 4926 , 1770 , 95706 , 75353 , 688120 , 591655 , 2305021 , 175380 , 13570916 , 7430576 , 576544119 , 546566850 , 8029389430 , 5048566243
n×2
2762576
n×3
4143864
n×4
5525152
n×5
6906440
n÷2
690644
n÷3
460429.33333333
n÷3
345322
n÷5
276257.6
n2
1907956538944
n3
2635437471764879872
n4
3.6402981544992E+24
n5
5.0283001572318E+30
2 √n
1175.2820937971
3 √n
111.36825451044
4 √n
34.282387515998
5 √n
16.906622195016
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 7507 , 15014 , 30028 , 60056 , 172661 , 345322 , 690644 , 1381288
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1381287
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1381288 can be divided by 16 positive divisors.
The sum of these divisors (counting 1381288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010001001110101000
3
Ternary
2121011202211
4
Quaternary
11101032220
5
Quinary
323200123
6
Senary
45334504
8
Octal
5211650
10
Decimal
1381288
12
Duodecimal
567434
16
Hexadecimal
1513a8
20
Vigesimal
8cd48
36
Base36
tlt4
md5
babc7590fde88706849d215ad7c6c272
sha1
f2f87145f8c5c364320d0e5d4db6ca3592c171fa
sha256
1c68ee772f80d228d58f0049baae6a833cb7e9822cb1df013f9b8d3cde48285e
sha512
72b2cb7bf0d9e9b297aaeba38a65fd07ec28e9d98cae9ed96516a876fd75546325b71034566559b16b6c3e8d3490dc70dfb3f5b9bbea4b91e683bd9c8b64ca27
ripemd-160
77f5bd2178d3570b37e24d7ddd04d01cfc449129
Diameter
2762576
Circumference
8678888.4665835
Area
5994022246115.1
Volume
1.1039294667056E+19
Surface area
23976088984460
Circumference
8678888.4665835
Perimeter
5525152
Area
1907956538944
Diagonal
1953436.2231432
Surface area
11447739233664
Volume
2635437471764879872
Space diagonal
2392460.9958852
Perimeter
4143864
Area
826169416021.07
Altitude
1196230.4979426
Surface area
826169416021.07
Volume
3.1058928461301E+17
Height
651145.4077144