1998685 (number)

1998685 is an odd 7-digits composite number following 1998684 and preceding 1998686. In scientific notation, it is written as 1.998685 × 10^6. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 1456128 positive integers (up to 1998685) that are relatively prime to 1998685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998685 × 10^6
Engineering notation 1.998685 × 10^6

Prime Factorization of 1998685

Prime Factorization 5 × 97 × 13 × 317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998685
Product of the distinct prime numbers

The prime factorization of 1998685 is 5 × 97 × 13 × 317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998685)

Multiplication

n×y
n×2 3997370
n×3 5996055
n×4 7994740
n×5 9993425

Division

n÷y
n÷2 999342.5
n÷3 666228.33333333
n÷3 499671.25
n÷5 399737

Exponentiation

ny
n2 3994741729225
n3 7984230373076069125
n4 1.5957961483212E+25
n5 3.1894938247073E+31

Nth Root

y√n
2√n 1413.7485632177
3√n 125.96448566569
4√n 37.599847914821
5√n 18.203247358452

Divisors of 1998685

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998685 can be divided by 16 positive divisors. The sum of these divisors (counting 1998685) is 1, the average is 0.0625.

Base conversion 1998685

Base System Value
2 Binary 111100111111101011101
3 Ternary 10202112200101
4 Quaternary 13213331131
5 Quinary 1002424220
6 Senary 110501101
8 Octal 7477535
10 Decimal 1998685
12 Duodecimal 804791
16 Hexadecimal 1e7f5d
20 Vigesimal c9ge5
36 Base36 16u71

Cryptographic Hash Functions

md5 0a8ce416bbc70f82032a2c1b0bdf48c0
sha1 9ca102a53372b0f03eef2ad4a5b57938535d9073
sha256 2bd5a7ae0415f4f27e528b50ed50374cf6d3171fac86c5c5fe58803f8cc55e7d
sha512 79c70e52582298563ff7bf96477c1a6728bfdb522b89ece4846443fefffd154d760081d1c29c92857f071a30bcfff2978883992ed2b33ff2156e48c07347a374
ripemd-160 2c48ab4aeda943daf0a72dd2a1c156fa583e9a45

1998685 as geometric shapes

Circle

Radius = n
Diameter 3997370
Circumference 12558108.22568
Area 12549851269522

Sphere

Radius = n
Volume 3.3444265979499E+19
Surface area 50199405078087
Circumference 12558108.22568

Square

Length = n
Perimeter 7994740
Area 3994741729225
Diagonal 2826567.4339117

Cube

Length = n
Surface area 23968450375350
Volume 7984230373076069125
Space diagonal 3461823.9683258

Equilateral Triangle

Length = n
Perimeter 5996055
Area 1729773909533.3
Altitude 1730911.9841629

Triangular Pyramid

Length = n
Surface area 1729773909533.3
Volume 9.4095057322628E+17
Height 942189.14463722