1387938 is an even 7-digits composite number following 1387937
and preceding 1387939 . In scientific notation, it is written as 1.387938 × 10^6.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 462644 positive integers (up to 1387938) that are relatively prime to 1387938.
1387938 has 8 divisors, whose sum is 2775888
The reverse of 1387938 is 8397831
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million three hundred eighty-seven thousand nine hundred thirty-eight
Scientific notation
1.387938 × 10^6
Engineering notation
1.387938 × 10^6
Prime Factorization
2 × 3 × 231323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387938
Product of the distinct prime numbers
The prime factorization of 1387938 is 2 × 3 × 231323.
Since it has a total of 3 prime factors.
9 , 8 , 18 , 5 , 203 , 633 , 6717 , 1362 , 34655 , 21727 , 553291 , 545608 , 469471 , 1076219 , 47419818 , 5398311 , 362075711 , 886980240 , 7328600754 , 3679702328
n×2
2775876
n×3
4163814
n×4
5551752
n×5
6939690
n÷2
693969
n÷3
462646
n÷3
346984.5
n÷5
277587.6
n2
1926371891844
n3
2673684750822177672
n4
3.7109086656866E+24
n5
5.1505111516358E+30
2 √n
1178.1078049143
3 √n
111.54669027983
4 √n
34.323575060216
5 √n
16.922869806222
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387938 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387938) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010010110110100010
3
Ternary
2121111220010
4
Quaternary
11102312202
5
Quinary
323403223
6
Senary
45425350
8
Octal
5226642
10
Decimal
1387938
12
Duodecimal
56b256
16
Hexadecimal
152da2
20
Vigesimal
8d9gi
36
Base36
tqxu
md5
d057a520d29f4f151c37bdae6996a682
sha1
ddf1897be5a202b894a50cdc8261e3dcc36208d2
sha256
9828b39212a286f4c4621acbcd9593184476f13d12ded0ef8e1e9ec417676a7e
sha512
1a0b1bdd978de4c40d6a1322ca94a49f1fef51296f9c48f4fbcbdd7bdfc0403e8f69ae7e7b8c90085399f8e14cbe14d10242dc35afc9ee14f90cc119ee56425e
ripemd-160
67d22b98048f37090c327000534c8d4bafcb05c4
Diameter
2775876
Circumference
8720671.6488762
Area
6051875783499
Volume
1.1199504494931E+19
Surface area
24207503133996
Circumference
8720671.6488762
Perimeter
5551752
Area
1926371891844
Diagonal
1962840.743333
Surface area
11558231351064
Volume
2673684750822177672
Space diagonal
2403979.1337555
Perimeter
4163814
Area
834143497736.6
Altitude
1201989.5668778
Surface area
834143497736.6
Volume
3.150967696769E+17
Height
654280.24777766