20198891 (number)

20198891 is an odd 8-digits composite number following 20198890 and preceding 20198892. In scientific notation, it is written as 2.0198891 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20189400 positive integers (up to 20198891) that are relatively prime to 20198891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0198891 × 10^7
Engineering notation 2.0198891 × 10^6

Prime Factorization of 20198891

Prime Factorization 6271 × 3221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20198891
Product of the distinct prime numbers

The prime factorization of 20198891 is 6271 × 3221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20198891)

Multiplication

n×y
n×2 40397782
n×3 60596673
n×4 80795564
n×5 100994455

Division

n÷y
n÷2 10099445.5
n÷3 6732963.6666667
n÷3 5049722.75
n÷5 4039778.2

Exponentiation

ny
n2 407995197629881
n3 8.2410505254494E+21
n4 1.6646008128905E+29
n5 3.3623090378086E+36

Nth Root

y√n
2√n 4494.3176345247
3√n 272.3385840885
4√n 67.0396720944
5√n 28.911159197055

Divisors of 20198891

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 -20198890
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 20198891 can be divided by 4 positive divisors. The sum of these divisors (counting 20198891) is 1, the average is 0.25.

Base conversion 20198891

Base System Value
2 Binary 1001101000011010111101011
3 Ternary 1102000012200002
4 Quaternary 1031003113223
5 Quinary 20132331031
6 Senary 2000533215
8 Octal 115032753
10 Decimal 20198891
12 Duodecimal 692120b
16 Hexadecimal 13435eb
20 Vigesimal 664h4b
36 Base36 c0xkb

Cryptographic Hash Functions

md5 db32141bc1539d79fb48d61f6f461339
sha1 e89aaf6d06c2f662eee58b43921e6a36a53858a5
sha256 319a4f8c28f6049d952bbe2ad4913d6812f6c4f7df1f3cc5c06adb9957abcd3c
sha512 2d6dc41c2bc9de4db7263f54b9ff7e9852fc500123f6ec69b387d500917e87e707ba8c70aa54fe7f333406809967842b1153271e87615595572ae544eb83e6a8
ripemd-160 a5d5026f57e69299562a3603dc005e71dd4c52fa

20198891 as geometric shapes

Circle

Radius = n
Diameter 40397782
Circumference 126913375.15252
Area 1.281754715574E+15

Sphere

Radius = n
Volume 3.4520031718152E+22
Surface area 5.1270188622958E+15
Circumference 126913375.15252

Square

Length = n
Perimeter 80795564
Area 407995197629881
Diagonal 28565545.597096

Cube

Length = n
Surface area 2447971185779286
Volume 8.2410505254494E+21
Space diagonal 34985505.468546

Equilateral Triangle

Length = n
Perimeter 60596673
Area 1.7666710288476E+14
Altitude 17492752.734273

Triangular Pyramid

Length = n
Surface area 1.7666710288476E+14
Volume 9.7121711844104E+20
Height 9521848.5323653