1998385 (number)

1998385 is an odd 7-digits composite number following 1998384 and preceding 1998386. In scientific notation, it is written as 1.998385 × 10^6. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 1598704 positive integers (up to 1998385) that are relatively prime to 1998385.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand three hundred eighty-five

Notation

Scientific notation 1.998385 × 10^6
Engineering notation 1.998385 × 10^6

Prime Factorization of 1998385

Prime Factorization 5 × 399677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1998385
Product of the distinct prime numbers

The prime factorization of 1998385 is 5 × 399677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998385)

Multiplication

n×y
n×2 3996770
n×3 5995155
n×4 7993540
n×5 9991925

Division

n÷y
n÷2 999192.5
n÷3 666128.33333333
n÷3 499596.25
n÷5 399677

Exponentiation

ny
n2 3993542608225
n3 7980635645137716625
n4 1.5948382563709E+25
n5 3.1871008489577E+31

Nth Root

y√n
2√n 1413.6424583324
3√n 125.95818298225
4√n 37.598436913419
5√n 18.202700868924

Divisors of 1998385

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 -1998384
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 1998385 can be divided by 4 positive divisors. The sum of these divisors (counting 1998385) is 1, the average is 0.25.

Base conversion 1998385

Base System Value
2 Binary 111100111111000110001
3 Ternary 10202112021021
4 Quaternary 13213320301
5 Quinary 1002422020
6 Senary 110455441
8 Octal 7477061
10 Decimal 1998385
12 Duodecimal 804581
16 Hexadecimal 1e7e31
20 Vigesimal c9fj5
36 Base36 16typ

Cryptographic Hash Functions

md5 bfb947d9e1cb27057a78112ec6d3fc2f
sha1 a747497308b5bf44d8e51dc19f44721814825ea2
sha256 a95ff365c319fe04bb0de09918813dfb93ccbc52e8cf96a19101e009242f77a2
sha512 d23de2be4e3867c6faad26de5d3f2e2c8713dbd7b9b4d19c4c95f76e8cd458a1db3f356aa065ce77842420b14fc10319f27eb5dc014019d6f77459ae910b440c
ripemd-160 c3b73696f43d2cf39dee86504458b688d5d03010

1998385 as geometric shapes

Circle

Radius = n
Diameter 3996770
Circumference 12556223.270088
Area 12546084119797

Sphere

Radius = n
Volume 3.3429208418322E+19
Surface area 50184336479190
Circumference 12556223.270088

Square

Length = n
Perimeter 7993540
Area 3993542608225
Diagonal 2826143.169843

Cube

Length = n
Surface area 23961255649350
Volume 7980635645137716625
Space diagonal 3461304.3530835

Equilateral Triangle

Length = n
Perimeter 5995155
Area 1729254674909.2
Altitude 1730652.1765418

Triangular Pyramid

Length = n
Surface area 1729254674909.2
Volume 9.4052693047599E+17
Height 942047.72328099