1387965 is an odd 7-digits composite number following 1387964
and preceding 1387966 . In scientific notation, it is written as 1.387965 × 10^6.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 696576 positive integers (up to 1387965) that are relatively prime to 1387965.
1387965 has 16 divisors, whose sum is 2351808
The reverse of 1387965 is 5697831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million three hundred eighty-seven thousand nine hundred sixty-five
Scientific notation
1.387965 × 10^6
Engineering notation
1.387965 × 10^6
Prime Factorization
3 × 5 × 17 × 5443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1387965
Product of the distinct prime numbers
The prime factorization of 1387965 is 3 × 5 × 17 × 5443.
Since it has a total of 4 prime factors.
8 , 1 , 74 , 22 , 853 , 547 , 1201 , 8099 , 44011 , 83596 , 552688 , 22198 , 2548666 , 9328616 , 32204803 , 36857691 , 640075060 , 486317190 , 2924131580 , 6805879924
n×2
2775930
n×3
4163895
n×4
5551860
n×5
6939825
n÷2
693982.5
n÷3
462655
n÷3
346991.25
n÷5
277593
n2
1926446841225
n3
2673840789980857125
n4
3.7111974320658E+24
n5
5.1510121437972E+30
2 √n
1178.1192639118
3 √n
111.5474135929
4 √n
34.323741985858
5 √n
16.922935646905
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 5443 , 16329 , 27215 , 81645 , 92531 , 277593 , 462655 , 1387965
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
-1387964
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 1387965 can be divided by 16 positive divisors.
The sum of these divisors (counting 1387965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010010110110111101
3
Ternary
2121111221010
4
Quaternary
11102312331
5
Quinary
323403330
6
Senary
45425433
8
Octal
5226675
10
Decimal
1387965
12
Duodecimal
56b279
16
Hexadecimal
152dbd
20
Vigesimal
8d9i5
36
Base36
tqyl
md5
5b69627e98fa5d1468e160737db5273b
sha1
c69638f509a94b3207d4e3e575aca3d1246f8115
sha256
9d46b5f274d996ac2b2b9cf174af8643c0dd6d97e63d937af3c56f3377cac344
sha512
0d75226bed8823c43d3e86c32f2f60e881459d1f9e38aa461c1ad896ce1e8052fe14934901df93ba44ce788bfdd47bf28202d7843fd4b9a920a3821919220bde
ripemd-160
a434194df33e5c95b055ef7a70b8c26c918eccb8
Diameter
2775930
Circumference
8720841.2948795
Area
6052111243923.7
Volume
1.120015811023E+19
Surface area
24208444975695
Circumference
8720841.2948795
Perimeter
5551860
Area
1926446841225
Diagonal
1962878.9270992
Surface area
11558681047350
Volume
2673840789980857125
Space diagonal
2404025.8991273
Perimeter
4163895
Area
834175951770.57
Altitude
1202012.9495637
Surface area
834175951770.57
Volume
3.1511515906811E+17
Height
654292.97569972