1387939 is an odd 7-digits composite number following 1387938
and preceding 1387940 . In scientific notation, it is written as 1.387939 × 10^6.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1189656 positive integers (up to 1387939) that are relatively prime to 1387939.
1387939 has 4 divisors, whose sum is 1586224
The reverse of 1387939 is 9397831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4
Name
one million three hundred eighty-seven thousand nine hundred thirty-nine
Scientific notation
1.387939 × 10^6
Engineering notation
1.387939 × 10^6
Prime Factorization
7 × 198277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387939
Product of the distinct prime numbers
The prime factorization of 1387939 is 7 × 198277.
Since it has a total of 2 prime factors.
1 , 5 , 5 , 56 , 30 , 769 , 9500 , 812 , 63582 , 21757 , 476907 , 894248 , 6493619 , 7728392 , 2830685 , 87934589 , 440903626 , 487000464 , 7833144386 , 1733128420
n×2
2775878
n×3
4163817
n×4
5551756
n×5
6939695
n÷2
693969.5
n÷3
462646.33333333
n÷3
346984.75
n÷5
277587.8
n2
1926374667721
n3
2673690529942017019
n4
3.7109193604372E+24
n5
5.1505297062058E+30
2 √n
1178.1082293236
3 √n
111.54671706937
4 √n
34.323581242691
5 √n
16.922872244784
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
-1387938
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 1387939 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387939) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010010110110100011
3
Ternary
2121111220011
4
Quaternary
11102312203
5
Quinary
323403224
6
Senary
45425351
8
Octal
5226643
10
Decimal
1387939
12
Duodecimal
56b257
16
Hexadecimal
152da3
20
Vigesimal
8d9gj
36
Base36
tqxv
md5
3e93036b6a559b2dbd3db55a1764eeae
sha1
4754040f5b00812990cbbef3489ec0213d9d99b2
sha256
6068c97a296417061ea5e1d44062ba1fbaf32fb540a90132ac1d21c65934677b
sha512
982c74e7d943781420702eaa3427b78e099e933a4328791884f5f710862cab5c23a7fcf639917e341d7a1c541bfd153b933b6ea16595c1ba9d37387e2ff4aa9a
ripemd-160
628b2792d927222d96f1c6885563b8ab1dc4e896
Diameter
2775878
Circumference
8720677.9320615
Area
6051884504173.8
Volume
1.1199528702451E+19
Surface area
24207538016695
Circumference
8720677.9320615
Perimeter
5551756
Area
1926374667721
Diagonal
1962842.1575466
Surface area
11558248006326
Volume
2673690529942017019
Space diagonal
2403980.8658063
Perimeter
4163817
Area
834144699726.6
Altitude
1201990.4329032
Surface area
834144699726.6
Volume
3.1509745075271E+17
Height
654280.71918218