20198988 (number)

20198988 is an even 8-digits composite number following 20198987 and preceding 20198989. In scientific notation, it is written as 2.0198988 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors. There are 6732984 positive integers (up to 20198988) that are relatively prime to 20198988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0198988 × 10^7
Engineering notation 2.0198988 × 10^6

Prime Factorization of 20198988

Prime Factorization 2 × 2 × 3 × 3 × 561083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3366498
Product of the distinct prime numbers

The prime factorization of 20198988 is 2 × 2 × 3 × 3 × 561083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 71, 43, 510, 151, 3437, 9423, 40144, 34367, 98181, 912174, 74490, 863950, 62987169, 91231522, 292792441, 485899923, 8003266340, 1948833185

Basic calculations (n = 20198988)

Multiplication

n×y
n×2 40397976
n×3 60596964
n×4 80795952
n×5 100994940

Division

n÷y
n÷2 10099494
n÷3 6732996
n÷3 5049747
n÷5 4039797.6

Exponentiation

ny
n2 407999116224144
n3 8.2411692526221E+21
n4 1.6646327883968E+29
n5 3.3623897717234E+36

Nth Root

y√n
2√n 4494.3284259164
3√n 272.33902003323
4√n 67.039752579469
5√n 28.911186964689

Divisors of 20198988

1, 2, 3, 4, 6, 9, 12, 18, 36, 561083, 1122166, 1683249, 2244332, 3366498, 5049747, 6732996, 10099494, 20198988

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20198987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20198988 can be divided by 18 positive divisors. The sum of these divisors (counting 20198988) is 1, the average is 0.055555555555556.

Base conversion 20198988

Base System Value
2 Binary 1001101000011011001001100
3 Ternary 1102000012210200
4 Quaternary 1031003121030
5 Quinary 20132331423
6 Senary 2000533500
8 Octal 115033114
10 Decimal 20198988
12 Duodecimal 6921290
16 Hexadecimal 134364c
20 Vigesimal 664h98
36 Base36 c0xn0

Cryptographic Hash Functions

md5 acb755965645f5a49b28f6c4ada74279
sha1 fedfbd5e9190b3484ebb7e0e4e77706335d8174d
sha256 e2e403a627c73ac8186b3dac4da4f9e017c210d75e12bf9ea23cf75eb3983df9
sha512 9b8b3f8ba318921a595c4b68f5c5cc6257470539242a3a702d9060a9a35015f837b73c165d05b27485372b333e875c0fe38a3636f95d525ead82de9c632ec454
ripemd-160 d34d7c531ff31c41ce00874b2094e1a5dc688fd0

20198988 as geometric shapes

Circle

Radius = n
Diameter 40397976
Circumference 126913984.6215
Area 1.2817670262009E+15

Sphere

Radius = n
Volume 3.452052904137E+22
Surface area 5.1270681048036E+15
Circumference 126913984.6215

Square

Length = n
Perimeter 80795952
Area 407999116224144
Diagonal 28565682.775811

Cube

Length = n
Surface area 2447994697344864
Volume 8.2411692526221E+21
Space diagonal 34985673.477474

Equilateral Triangle

Length = n
Perimeter 60596964
Area 1.7666879968585E+14
Altitude 17492836.738737

Triangular Pyramid

Length = n
Surface area 1.7666879968585E+14
Volume 9.7123111057253E+20
Height 9521894.2586038