1997145 (number)

1997145 is an odd 7-digits composite number following 1997144 and preceding 1997146. In scientific notation, it is written as 1.997145 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 1065120 positive integers (up to 1997145) that are relatively prime to 1997145.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-seven thousand one hundred forty-five

Notation

Scientific notation 1.997145 × 10^6
Engineering notation 1.997145 × 10^6

Prime Factorization of 1997145

Prime Factorization 15 × 3 × 44381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1997145
Product of the distinct prime numbers

The prime factorization of 1997145 is 15 × 3 × 44381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1997145)

Multiplication

n×y
n×2 3994290
n×3 5991435
n×4 7988580
n×5 9985725

Division

n÷y
n÷2 998572.5
n÷3 665715
n÷3 499286.25
n÷5 399429

Exponentiation

ny
n2 3988588151025
n3 7965788882878823625
n4 1.5908835438497E+25
n5 3.1772251151817E+31

Nth Root

y√n
2√n 1413.2038069578
3√n 125.93212519675
4√n 37.592603088344
5√n 18.200441349024

Divisors of 1997145

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 -1997144
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 1997145 can be divided by 8 positive divisors. The sum of these divisors (counting 1997145) is 1, the average is 0.125.

Base conversion 1997145

Base System Value
2 Binary 111100111100101011001
3 Ternary 10202110120100
4 Quaternary 13213211121
5 Quinary 1002402040
6 Senary 110450013
8 Octal 7474531
10 Decimal 1997145
12 Duodecimal 803909
16 Hexadecimal 1e7959
20 Vigesimal c9ch5
36 Base36 16t09

Cryptographic Hash Functions

md5 f4b27bfb387ed6e3debc0571e7517cd0
sha1 70457ce2dfe449b81dd49761abd355972b0d3faa
sha256 ff0a80667399e82a0abf89f480ed66dacb9fb9c24ea887a3274a6e06e1fed4a2
sha512 00a6fedb38fa15c8d0a3e97c872820f5a59f5c37f49d97a0b8e32fa4e1c141dad56c486526db1335ce5eccf68ef3f57d94e18950c947a8079c5afd3a8ebf5f15
ripemd-160 c639558ff148aeaa5e57c054c6eadd4c0ff4e001

1997145 as geometric shapes

Circle

Radius = n
Diameter 3994290
Circumference 12548432.120307
Area 12530519233455

Sphere

Radius = n
Volume 3.3367018445999E+19
Surface area 50122076933822
Circumference 12548432.120307

Square

Length = n
Perimeter 7988580
Area 3988588151025
Diagonal 2824389.5450256

Cube

Length = n
Surface area 23931528906150
Volume 7965788882878823625
Space diagonal 3459156.6100821

Equilateral Triangle

Length = n
Perimeter 5991435
Area 1727109332010.6
Altitude 1729578.3050411

Triangular Pyramid

Length = n
Surface area 1727109332010.6
Volume 9.38777222764E+17
Height 941463.18167521