1998487 (number)

1998487 is an odd 7-digits composite number following 1998486 and preceding 1998488. In scientific notation, it is written as 1.998487 × 10^6. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 1932000 positive integers (up to 1998487) that are relatively prime to 1998487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998487 × 10^6
Engineering notation 1.998487 × 10^6

Prime Factorization of 1998487

Prime Factorization 47 × 101 × 421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1998487
Product of the distinct prime numbers

The prime factorization of 1998487 is 47 × 101 × 421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998487)

Multiplication

n×y
n×2 3996974
n×3 5995461
n×4 7993948
n×5 9992435

Division

n÷y
n÷2 999243.5
n÷3 666162.33333333
n÷3 499621.75
n÷5 399697.4

Exponentiation

ny
n2 3993950289169
n3 7981857731550487303
n4 1.5951638912353E+25
n5 3.1879142995032E+31

Nth Root

y√n
2√n 1413.6785348869
3√n 125.96032596539
4√n 37.59891667172
5√n 18.202886682727

Divisors of 1998487

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 -1998486
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 1998487 can be divided by 8 positive divisors. The sum of these divisors (counting 1998487) is 1, the average is 0.125.

Base conversion 1998487

Base System Value
2 Binary 111100111111010010111
3 Ternary 10202112102001
4 Quaternary 13213322113
5 Quinary 1002422422
6 Senary 110500131
8 Octal 7477227
10 Decimal 1998487
12 Duodecimal 804647
16 Hexadecimal 1e7e97
20 Vigesimal c9g47
36 Base36 16u1j

Cryptographic Hash Functions

md5 afedf0677e78404cca248ed1c9db7ff5
sha1 603e3cc8d5e4b1838736b532c14c8f0194a17608
sha256 a7afb4c142f6b416cf0a5ec91db07514021d0fe87cc9c48954453ffed7c59d19
sha512 48bcafbb43d9bc9a6761c535b18c44fa6b420bc3929d30d392f7b0c718ce844746fd66f8e011a07a13b792589b9380e7fb7b8dab53125766b38f860f5717ff9b
ripemd-160 c028aafcb02960a79982edc8e183bf2e4e6bf720

1998487 as geometric shapes

Circle

Radius = n
Diameter 3996974
Circumference 12556864.154989
Area 12547364887256

Sphere

Radius = n
Volume 3.3434327481917E+19
Surface area 50189459549025
Circumference 12556864.154989

Square

Length = n
Perimeter 7993948
Area 3993950289169
Diagonal 2826287.4196263

Cube

Length = n
Surface area 23963701735014
Volume 7981857731550487303
Space diagonal 3461481.0222659

Equilateral Triangle

Length = n
Perimeter 5995461
Area 1729431205936.3
Altitude 1730740.511133

Triangular Pyramid

Length = n
Surface area 1729431205936.3
Volume 9.4067095474094E+17
Height 942095.80654211