1998081 (number)

1998081 is an odd 7-digits composite number following 1998080 and preceding 1998082. In scientific notation, it is written as 1.998081 × 10^6. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 1300320 positive integers (up to 1998081) that are relatively prime to 1998081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998081 × 10^6
Engineering notation 1.998081 × 10^6

Prime Factorization of 1998081

Prime Factorization 43 × 3 × 9 × 1721

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998081
Product of the distinct prime numbers

The prime factorization of 1998081 is 43 × 3 × 9 × 1721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998081)

Multiplication

n×y
n×2 3996162
n×3 5994243
n×4 7992324
n×5 9990405

Division

n÷y
n÷2 999040.5
n÷3 666027
n÷3 499520.25
n÷5 399616.2

Exponentiation

ny
n2 3992327682561
n3 7976994088299165441
n4 1.5938680324943E+25
n5 3.1846774322342E+31

Nth Root

y√n
2√n 1413.5349305907
3√n 125.95179561954
4√n 37.597006936599
5√n 18.202147025915

Divisors of 1998081

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 -1998080
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 1998081 can be divided by 16 positive divisors. The sum of these divisors (counting 1998081) is 1, the average is 0.0625.

Base conversion 1998081

Base System Value
2 Binary 111100111110100000001
3 Ternary 10202111212000
4 Quaternary 13213310001
5 Quinary 1002414311
6 Senary 110454213
8 Octal 7476401
10 Decimal 1998081
12 Duodecimal 804369
16 Hexadecimal 1e7d01
20 Vigesimal c9f41
36 Base36 16tq9

Cryptographic Hash Functions

md5 00aa1041c550270df4024df35caf6cac
sha1 30fe34e4f9a800ba49bf27cfd0c94ba73746ac30
sha256 d31f5b6ad8f350285bcb9f0f702ded34553d5024e4dbed521ec7460248f77d10
sha512 547e7cde5a87a71b1a8e798ea34510530432fe45a1e1ddff8019260c0aa20d725b95b6fabef8ce28420de4ee18758cb5612fa29ff12770d36520355cf5a422ca
ripemd-160 109056cb259dc3b2e1701be98608907714b02df9

1998081 as geometric shapes

Circle

Radius = n
Diameter 3996162
Circumference 12554313.181755
Area 12542267318257

Sphere

Radius = n
Volume 3.3413954700706E+19
Surface area 50169069273027
Circumference 12554313.181755

Square

Length = n
Perimeter 7992324
Area 3992327682561
Diagonal 2825713.24892

Cube

Length = n
Surface area 23953966095366
Volume 7976994088299165441
Space diagonal 3460777.809638

Equilateral Triangle

Length = n
Perimeter 5994243
Area 1728728596664.8
Altitude 1730388.904819

Triangular Pyramid

Length = n
Surface area 1728728596664.8
Volume 9.4009776888689E+17
Height 941904.41630667