1998978 (number)

1998978 is an even 7-digits composite number following 1998977 and preceding 1998979. In scientific notation, it is written as 1.998978 × 10^6. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 663920 positive integers (up to 1998978) that are relatively prime to 1998978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998978 × 10^6
Engineering notation 1.998978 × 10^6

Prime Factorization of 1998978

Prime Factorization 2 × 3 × 431 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998978
Product of the distinct prime numbers

The prime factorization of 1998978 is 2 × 3 × 431 × 773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998978)

Multiplication

n×y
n×2 3997956
n×3 5996934
n×4 7995912
n×5 9994890

Division

n÷y
n÷2 999489
n÷3 666326
n÷3 499744.5
n÷5 399795.6

Exponentiation

ny
n2 3995913044484
n3 7987742265836537352
n4 1.5967321059077E+25
n5 3.1918323516032E+31

Nth Root

y√n
2√n 1413.852184636
3√n 125.97064067777
4√n 37.601225839539
5√n 18.203781033219

Divisors of 1998978

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 -1998977
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 1998978 can be divided by 16 positive divisors. The sum of these divisors (counting 1998978) is 1, the average is 0.0625.

Base conversion 1998978

Base System Value
2 Binary 111101000000010000010
3 Ternary 10202120002020
4 Quaternary 13220002002
5 Quinary 1002431403
6 Senary 110502310
8 Octal 7500202
10 Decimal 1998978
12 Duodecimal 804996
16 Hexadecimal 1e8082
20 Vigesimal c9h8i
36 Base36 16uf6

Cryptographic Hash Functions

md5 95b354606de8ca192e82ba515f0af1ec
sha1 fc140ecfb57fa81e80eda06247f773e0433a8ce3
sha256 0f31796aa3307be97d47d31ebfd4839476b71f7f056ef43ad28e3d9554564256
sha512 b6a21cea8a8075ee4a95594b5100820018b57d9669c22beaa0d9a4ef6e1faf83161259508422be50bcea673ef57f9641ec0cd4db331a2da1ebd89878a58e9a47
ripemd-160 ac30d9a9107b2f840289e00acc3f11ea8a30162e

1998978 as geometric shapes

Circle

Radius = n
Diameter 3997956
Circumference 12559949.198975
Area 12553531064935

Sphere

Radius = n
Volume 3.3458976561494E+19
Surface area 50214124259738
Circumference 12559949.198975

Square

Length = n
Perimeter 7995912
Area 3995913044484
Diagonal 2826981.7984854

Cube

Length = n
Surface area 23975478266904
Volume 7987742265836537352
Space diagonal 3462331.4592124

Equilateral Triangle

Length = n
Perimeter 5996934
Area 1730281103918.4
Altitude 1731165.7296062

Triangular Pyramid

Length = n
Surface area 1730281103918.4
Volume 9.4136445375724E+17
Height 942327.26616182