20198991 (number)

20198991 is an odd 8-digits composite number following 20198990 and preceding 20198992. In scientific notation, it is written as 2.0198991 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12666720 positive integers (up to 20198991) that are relatively prime to 20198991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0198991 × 10^7
Engineering notation 2.0198991 × 10^6

Prime Factorization of 20198991

Prime Factorization 3 × 61 × 23 × 4799

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20198991
Product of the distinct prime numbers

The prime factorization of 20198991 is 3 × 61 × 23 × 4799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20198991)

Multiplication

n×y
n×2 40397982
n×3 60596973
n×4 80795964
n×5 100994955

Division

n÷y
n÷2 10099495.5
n÷3 6732997
n÷3 5049747.75
n÷5 4039798.2

Exponentiation

ny
n2 407999237418081
n3 8.2411729246147E+21
n4 1.6646337773374E+29
n5 3.3623922686733E+36

Nth Root

y√n
2√n 4494.3287596703
3√n 272.33903351603
4√n 67.039755068693
5√n 28.91118782348

Divisors of 20198991

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 -20198990
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 20198991 can be divided by 16 positive divisors. The sum of these divisors (counting 20198991) is 1, the average is 0.0625.

Base conversion 20198991

Base System Value
2 Binary 1001101000011011001001111
3 Ternary 1102000012210210
4 Quaternary 1031003121033
5 Quinary 20132331431
6 Senary 2000533503
8 Octal 115033117
10 Decimal 20198991
12 Duodecimal 6921293
16 Hexadecimal 134364f
20 Vigesimal 664h9b
36 Base36 c0xn3

Cryptographic Hash Functions

md5 423badb4bd5d6deb464c80f28c8c93aa
sha1 eaccaaeb0cdb7bc5128ce9738d40ec81aa98ff3e
sha256 4453877c0a8d6fb4b271bab85ae3cb403ebbdf0175040f7554e9e806c81bb5ab
sha512 85d2de43adf1ceaf16b1cf0a15272e5055234236acef731673f3b88c754bd2a79a0568f524dac5fe717e58959adf4b2d3d427286a1e8bb4cfa0f8afc1642e706
ripemd-160 dbab8b327ec9c25758bb1a9938f4316684d2e93e

20198991 as geometric shapes

Circle

Radius = n
Diameter 40397982
Circumference 126914003.47105
Area 1.2817674069429E+15

Sphere

Radius = n
Volume 3.4520544422577E+22
Surface area 5.1270696277715E+15
Circumference 126914003.47105

Square

Length = n
Perimeter 80795964
Area 407999237418081
Diagonal 28565687.018452

Cube

Length = n
Surface area 2447995424508486
Volume 8.2411729246147E+21
Space diagonal 34985678.673626

Equilateral Triangle

Length = n
Perimeter 60596973
Area 1.7666885216437E+14
Altitude 17492839.336813

Triangular Pyramid

Length = n
Surface area 1.7666885216437E+14
Volume 9.71231543321E+20
Height 9521895.6728174