1998749 (number)

1998749 is an odd 7-digits composite number following 1998748 and preceding 1998750. In scientific notation, it is written as 1.998749 × 10^6. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1989564 positive integers (up to 1998749) that are relatively prime to 1998749.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand seven hundred forty-nine

Notation

Scientific notation 1.998749 × 10^6
Engineering notation 1.998749 × 10^6

Prime Factorization of 1998749

Prime Factorization 223 × 8963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1998749
Product of the distinct prime numbers

The prime factorization of 1998749 is 223 × 8963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998749)

Multiplication

n×y
n×2 3997498
n×3 5996247
n×4 7994996
n×5 9993745

Division

n÷y
n÷2 999374.5
n÷3 666249.66666667
n÷3 499687.25
n÷5 399749.8

Exponentiation

ny
n2 3994997565001
n3 7984997388048183749
n4 1.5960005544364E+25
n5 3.1900045121792E+31

Nth Root

y√n
2√n 1413.7711978959
3√n 125.96583015653
4√n 37.600148907895
5√n 18.203363934392

Divisors of 1998749

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 -1998748
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 1998749 can be divided by 4 positive divisors. The sum of these divisors (counting 1998749) is 1, the average is 0.25.

Base conversion 1998749

Base System Value
2 Binary 111100111111110011101
3 Ternary 10202112202202
4 Quaternary 13213332131
5 Quinary 1002424444
6 Senary 110501245
8 Octal 7477635
10 Decimal 1998749
12 Duodecimal 804825
16 Hexadecimal 1e7f9d
20 Vigesimal c9gh9
36 Base36 16u8t

Cryptographic Hash Functions

md5 4cbbddc8db6ade4f44df527202439976
sha1 b222a80b1799e5e146d1cfa3ee43b3e3a002150f
sha256 ebe0d5fe125c0f29e6bdd7d7879538e7fe0e42c0464ce91a44e7c063b508f4f2
sha512 6e01aaefadb22ae2e3b020bc073c562c1db608dcb2683f22cf05d4b49bb7a0953e342a5dddf82aa1e86e57ac8e77898c00fd3d1175eb20c9eaa80741e460c098
ripemd-160 c7f2945da76aef2fc112a55b8c5e7d155b2ef47e

1998749 as geometric shapes

Circle

Radius = n
Diameter 3997498
Circumference 12558510.34954
Area 12550655001316

Sphere

Radius = n
Volume 3.3447478844301E+19
Surface area 50202620005265
Circumference 12558510.34954

Square

Length = n
Perimeter 7994996
Area 3994997565001
Diagonal 2826657.9435797

Cube

Length = n
Surface area 23969985390006
Volume 7984997388048183749
Space diagonal 3461934.8195775

Equilateral Triangle

Length = n
Perimeter 5996247
Area 1729884689673.9
Altitude 1730967.4097887

Triangular Pyramid

Length = n
Surface area 1729884689673.9
Volume 9.4104096680762E+17
Height 942219.31452655