1397987 (number)

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.

Interesting facts

Basic properties

Name

Name one million three hundred ninety-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.397987 × 10^6
Engineering notation 1.397987 × 10^6

Prime Factorization of 1397987

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.

Most popular turbo-numbers

Basic calculations (n = 1397987)

Multiplication

n×y
n×2 2795974
n×3 4193961
n×4 5591948
n×5 6989935

Division

n÷y
n÷2 698993.5
n÷3 465995.66666667
n÷3 349496.75
n÷5 279597.4

Exponentiation

ny
n2 1954367652169
n3 2732180570952783803
n4 3.8195529198446E+24
n5 5.3396853277547E+30

Nth Root

y√n
2√n 1182.365002865
3√n 111.81525132679
4√n 34.385534791028
5√n 16.947304261299

Divisors of 1397987

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 conversion 1397987

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

Cryptographic Hash Functions

md5 faf593adb7fda81fc719738a2e343dc9
sha1 9933ad1575794451850152e1da9cf80e02e5d8c5
sha256 8f76d77b8a2915afa27e4730684094fa5a2b0a915a346f84a186f5f7226e4508
sha512 981185eb87fd081a4a29103f53f5b399538bf3e53c672d15b2242743157707b68905513abdb7eff4cffc63df5ebb85fcb0bda01ac3b5a9f9a816f0791215780c
ripemd-160 107fd1cc7eb8acd6696684ee103a6bee85cfb5d2

1397987 as geometric shapes

Circle

Radius = n
Diameter 2795974
Circumference 8783811.3780281
Area 6139827058467.7

Sphere

Radius = n
Volume 1.1444531213315E+19
Surface area 24559308233871
Circumference 8783811.3780281

Square

Length = n
Perimeter 5591948
Area 1954367652169
Diagonal 1977052.1754213

Cube

Length = n
Surface area 11726205913014
Volume 2732180570952783803
Space diagonal 2421384.5123208

Equilateral Triangle

Length = n
Perimeter 4193961
Area 846266017556.45
Altitude 1210692.2561604

Triangular Pyramid

Length = n
Surface area 846266017556.45
Volume 3.2199056819114E+17
Height 659017.39180709