198981 (number)

198981 is an odd 6-digits composite number following 198980 and preceding 198982. In scientific notation, it is written as 1.98981 × 10^5. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 132648 positive integers (up to 198981) that are relatively prime to 198981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.98981 × 10^5
Engineering notation 1.98981 × 10^3

Prime Factorization of 198981

Prime Factorization 9 × 22109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 198981
Product of the distinct prime numbers

The prime factorization of 198981 is 9 × 22109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 198981)

Multiplication

n×y
n×2 397962
n×3 596943
n×4 795924
n×5 994905

Division

n÷y
n÷2 99490.5
n÷3 66327
n÷3 49745.25
n÷5 39796.2

Exponentiation

ny
n2 39593438361
n3 7878341958510141
n4 1.5676403612463E+21
n5 3.1193064672115E+26

Nth Root

y√n
2√n 446.07286400318
3√n 58.38086647234
4√n 21.120437116764
5√n 11.475254385275

Divisors of 198981

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 -198980
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 198981 can be divided by 4 positive divisors. The sum of these divisors (counting 198981) is 1, the average is 0.25.

Base conversion 198981

Base System Value
2 Binary 110000100101000101
3 Ternary 101002221200
4 Quaternary 300211011
5 Quinary 22331411
6 Senary 4133113
8 Octal 604505
10 Decimal 198981
12 Duodecimal 97199
16 Hexadecimal 30945
20 Vigesimal 14h91
36 Base36 49j9

Cryptographic Hash Functions

md5 445a88daebdd23d6bf47c1314cafb66e
sha1 445e795a5bd4078e4c79dd991c089965ec96cb56
sha256 ec12ef83a46b25a269c7d9a839e3007450c708096e14f46785c2a630dada9fa0
sha512 e6e84e104c494f9e8b890fff5ddae90db579cbe4afd7c567142e5ae00ba98e54b2a52bd1f37d55ab948e336455326495288135d4d9e2f5e9de10cc6ad5760e90
ripemd-160 4b6045b7aace8ab0932429c9dea4592d2f8ca3d3

198981 as geometric shapes

Circle

Radius = n
Diameter 397962
Circumference 1250234.4956079
Area 124386455085.28

Sphere

Radius = n
Volume 3.3000721625765E+16
Surface area 497545820341.11
Circumference 1250234.4956079

Square

Length = n
Perimeter 795924
Area 39593438361
Diagonal 281401.62885456

Cube

Length = n
Surface area 237560630166
Volume 7878341958510141
Space diagonal 344645.20174086

Equilateral Triangle

Length = n
Perimeter 596943
Area 17144461721.9
Altitude 172322.60087043

Triangular Pyramid

Length = n
Surface area 17144461721.9
Volume 9.2847150389484E+14
Height 93800.54295152