1397987 is an odd 7-digits composite number following 1397986
and preceding 1397988 . In scientific notation, it is written as 1.397987 × 10^6.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1391496 positive integers (up to 1397987) that are relatively prime to 1397987.
1397987 has 4 divisors, whose sum is 1404480
The reverse of 1397987 is 7897931
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 44
Digital Root 8
Name
one million three hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
1.397987 × 10^6
Engineering notation
1.397987 × 10^6
Prime Factorization
223 × 6269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1397987
Product of the distinct prime numbers
The prime factorization of 1397987 is 223 × 6269.
Since it has a total of 2 prime factors.
10 , 7 , 11 , 98 , 833 , 183 , 1702 , 7838 , 7991 , 64628 , 744505 , 504189 , 8833373 , 2138004 , 91647330 , 70856735 , 212603069 , 591367091 , 7105559759 , 4428232672
n×2
2795974
n×3
4193961
n×4
5591948
n×5
6989935
n÷2
698993.5
n÷3
465995.66666667
n÷3
349496.75
n÷5
279597.4
n2
1954367652169
n3
2732180570952783803
n4
3.8195529198446E+24
n5
5.3396853277547E+30
2 √n
1182.365002865
3 √n
111.81525132679
4 √n
34.385534791028
5 √n
16.947304261299
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
-1397986
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 1397987 can be divided by 4 positive divisors.
The sum of these divisors (counting 1397987) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010101010011100011
3
Ternary
2122000200022
4
Quaternary
11111103203
5
Quinary
324213422
6
Senary
45544055
8
Octal
5252343
10
Decimal
1397987
12
Duodecimal
57502b
16
Hexadecimal
1554e3
20
Vigesimal
8eej7
36
Base36
tyoz
md5
faf593adb7fda81fc719738a2e343dc9
sha1
9933ad1575794451850152e1da9cf80e02e5d8c5
sha256
8f76d77b8a2915afa27e4730684094fa5a2b0a915a346f84a186f5f7226e4508
sha512
981185eb87fd081a4a29103f53f5b399538bf3e53c672d15b2242743157707b68905513abdb7eff4cffc63df5ebb85fcb0bda01ac3b5a9f9a816f0791215780c
ripemd-160
107fd1cc7eb8acd6696684ee103a6bee85cfb5d2
Diameter
2795974
Circumference
8783811.3780281
Area
6139827058467.7
Volume
1.1444531213315E+19
Surface area
24559308233871
Circumference
8783811.3780281
Perimeter
5591948
Area
1954367652169
Diagonal
1977052.1754213
Surface area
11726205913014
Volume
2732180570952783803
Space diagonal
2421384.5123208
Perimeter
4193961
Area
846266017556.45
Altitude
1210692.2561604
Surface area
846266017556.45
Volume
3.2199056819114E+17
Height
659017.39180709