1397986 is an even 7-digits composite number following 1397985
and preceding 1397987 . In scientific notation, it is written as 1.397986 × 10^6.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 668580 positive integers (up to 1397986) that are relatively prime to 1397986.
1397986 has 8 divisors, whose sum is 2188224
The reverse of 1397986 is 6897931
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 43
Digital Root 7
Name
one million three hundred ninety-seven thousand nine hundred eighty-six
Scientific notation
1.397986 × 10^6
Engineering notation
1.397986 × 10^6
Prime Factorization
2 × 23 × 30391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1397986
Product of the distinct prime numbers
The prime factorization of 1397986 is 2 × 23 × 30391.
Since it has a total of 3 prime factors.
4 , 10 , 79 , 47 , 147 , 869 , 7986 , 1845 , 85116 , 7026 , 606050 , 604631 , 8085639 , 2413836 , 54107234 , 18367828 , 852932668 , 802178662 , 5896780005 , 8515952340
n×2
2795972
n×3
4193958
n×4
5591944
n×5
6989930
n÷2
698993
n÷3
465995.33333333
n÷3
349496.5
n÷5
279597.2
n2
1954364856196
n3
2732174707854021256
n4
3.819541991134E+24
n5
5.3396662300175E+30
2 √n
1182.3645799837
3 √n
111.81522466577
4 √n
34.385528641911
5 √n
16.947301836769
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
-1397985
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 1397986 can be divided by 8 positive divisors.
The sum of these divisors (counting 1397986) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010101010011100010
3
Ternary
2122000200021
4
Quaternary
11111103202
5
Quinary
324213421
6
Senary
45544054
8
Octal
5252342
10
Decimal
1397986
12
Duodecimal
57502a
16
Hexadecimal
1554e2
20
Vigesimal
8eej6
36
Base36
tyoy
md5
9d131f63d8ee26704b376933f646ed72
sha1
88217c7f634c2aed86a322d8cd2a3a2dd7348e7c
sha256
0c816012698cf45d5f9df76fbdedf1ddce542fe0a4698559986264470d295028
sha512
222af4bada2f79da4da381473789ed9ff7c68eebb659a40ae6d1e5bbc930ca65fcf09bd77199f68633eb5a3dc31096c5d6ee736263c5829d33c1e2b7bfbc9a64
ripemd-160
37a689420d7469eb4269a4ebaa31187c69be2405
Diameter
2795972
Circumference
8783805.0948428
Area
6139818274659.4
Volume
1.1444506654024E+19
Surface area
24559273098638
Circumference
8783805.0948428
Perimeter
5591944
Area
1954364856196
Diagonal
1977050.7612077
Surface area
11726189137176
Volume
2732174707854021256
Space diagonal
2421382.78027
Perimeter
4193958
Area
846264806864.63
Altitude
1210691.390135
Surface area
846264806864.63
Volume
3.2198987721833E+17
Height
659016.92040257