1386987 is an odd 7-digits composite number following 1386986
and preceding 1386988 . In scientific notation, it is written as 1.386987 × 10^6.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 792552 positive integers (up to 1386987) that are relatively prime to 1386987.
1386987 has 4 divisors, whose sum is 1453056
The reverse of 1386987 is 7896831
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
one million three hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
1.386987 × 10^6
Engineering notation
1.386987 × 10^6
Prime Factorization
21 × 66047
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1386987
Product of the distinct prime numbers
The prime factorization of 1386987 is 21 × 66047.
Since it has a total of 2 prime factors.
3 , 10 , 33 , 5 , 197 , 645 , 6432 , 7861 , 99608 , 46171 , 757264 , 20804 , 9737962 , 8163797 , 72136426 , 65209737 , 652086454 , 584222952 , 5358817352 , 1129436201
n×2
2773974
n×3
4160961
n×4
5547948
n×5
6934935
n÷2
693493.5
n÷3
462329
n÷3
346746.75
n÷5
277397.4
n2
1923732938169
n3
2668192576712206803
n4
3.7007484173963E+24
n5
5.1328899451993E+30
2 √n
1177.7041224348
3 √n
111.52120759972
4 √n
34.317694013946
5 √n
16.920550097146
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
-1386986
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 1386987 can be divided by 4 positive divisors.
The sum of these divisors (counting 1386987) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010010100111101011
3
Ternary
2121110120220
4
Quaternary
11102213223
5
Quinary
323340422
6
Senary
45421123
8
Octal
5224753
10
Decimal
1386987
12
Duodecimal
56a7a3
16
Hexadecimal
1529eb
20
Vigesimal
8d797
36
Base36
tq7f
md5
865f54b99345a84da1887872e7deca1d
sha1
1371b5622c4dc533919363176c49801c4f7bf4c1
sha256
87a0c6e7fb74c451da3e68e9e9d527f0f258db21fa6c8f9db411b7b65d284806
sha512
d410c00f9cb5ff0972b49c3e6e8d8a6b8375578c08f77875720d01fe3fc6a55eff1e34f320e8b8b7a040bf25c44c134c7fb5d13bf1f997e90a14439cd11cfd45
ripemd-160
20e0674312f7e1a981ac7dbd7691bb10be22887f
Diameter
2773974
Circumference
8714696.3396491
Area
6043585266020.4
Volume
1.1176498929816E+19
Surface area
24174341064082
Circumference
8714696.3396491
Perimeter
5547948
Area
1923732938169
Diagonal
1961495.8262352
Surface area
11542397629014
Volume
2668192576712206803
Space diagonal
2402331.9534375
Perimeter
4160961
Area
833000797275.62
Altitude
1201165.9767188
Surface area
833000797275.62
Volume
3.144495107508E+17
Height
653831.94207839