1998988 (number)

1998988 is an even 7-digits composite number following 1998987 and preceding 1998989. In scientific notation, it is written as 1.998988 × 10^6. The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors. There are 999492 positive integers (up to 1998988) that are relatively prime to 1998988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998988 × 10^6
Engineering notation 1.998988 × 10^6

Prime Factorization of 1998988

Prime Factorization 2 × 2 × 499747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 999494
Product of the distinct prime numbers

The prime factorization of 1998988 is 2 × 2 × 499747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998988)

Multiplication

n×y
n×2 3997976
n×3 5996964
n×4 7995952
n×5 9994940

Division

n÷y
n÷2 999494
n÷3 666329.33333333
n÷3 499747
n÷5 399797.6

Exponentiation

ny
n2 3995953024144
n3 7987862143827566272
n4 1.5967640571166E+25
n5 3.1919121890073E+31

Nth Root

y√n
2√n 1413.8557210692
3√n 125.97085073583
4√n 37.601272865013
5√n 18.20379924627

Divisors of 1998988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998988 can be divided by 6 positive divisors. The sum of these divisors (counting 1998988) is 1, the average is 0.16666666666667.

Base conversion 1998988

Base System Value
2 Binary 111101000000010001100
3 Ternary 10202120002121
4 Quaternary 13220002030
5 Quinary 1002431423
6 Senary 110502324
8 Octal 7500214
10 Decimal 1998988
12 Duodecimal 8049a4
16 Hexadecimal 1e808c
20 Vigesimal c9h98
36 Base36 16ufg

Cryptographic Hash Functions

md5 2a3566dac918300206d31b73a0787b82
sha1 9e2c8a743105dec727a048b81e776438a9624419
sha256 fbea603204f1f0b9b7afdb9ac6a272e144365666f93a98dd69bff4ff7650c072
sha512 ce10d9619b8d74ad30ac98040f6fc5d297b2ffc628d3a09bdee6a803c921531c2b6d73362a3e1d197c25f5eec1bfcc3b45181712b2c8db36c676bcb9a63c9d64
ripemd-160 b66dca2421dc64c8ea388c71aabf32bd305ac30b

1998988 as geometric shapes

Circle

Radius = n
Diameter 3997976
Circumference 12560012.030828
Area 12553656664741

Sphere

Radius = n
Volume 3.3459478705249E+19
Surface area 50214626658963
Circumference 12560012.030828

Square

Length = n
Perimeter 7995952
Area 3995953024144
Diagonal 2826995.9406211

Cube

Length = n
Surface area 23975718144864
Volume 7987862143827566272
Space diagonal 3462348.7797205

Equilateral Triangle

Length = n
Perimeter 5996964
Area 1730298415619
Altitude 1731174.3898602

Triangular Pyramid

Length = n
Surface area 1730298415619
Volume 9.4137858151396E+17
Height 942331.98020702