20188891 (number)

20188891 is an odd 8-digits composite number following 20188890 and preceding 20188892. In scientific notation, it is written as 2.0188891 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20083000 positive integers (up to 20188891) that are relatively prime to 20188891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0188891 × 10^7
Engineering notation 2.0188891 × 10^6

Prime Factorization of 20188891

Prime Factorization 191 × 105701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20188891
Product of the distinct prime numbers

The prime factorization of 20188891 is 191 × 105701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188891)

Multiplication

n×y
n×2 40377782
n×3 60566673
n×4 80755564
n×5 100944455

Division

n÷y
n÷2 10094445.5
n÷3 6729630.3333333
n÷3 5047222.75
n÷5 4037778.2

Exponentiation

ny
n2 407591319809881
n3 8.2288167281878E+21
n4 1.6613068398436E+29
n5 3.3539942707157E+36

Nth Root

y√n
2√n 4493.2049808572
3√n 272.29363384192
4√n 67.031373108845
5√n 28.908295981823

Divisors of 20188891

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 -20188890
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 20188891 can be divided by 4 positive divisors. The sum of these divisors (counting 20188891) is 1, the average is 0.25.

Base conversion 20188891

Base System Value
2 Binary 1001101000000111011011011
3 Ternary 1101222200221201
4 Quaternary 1031000323123
5 Quinary 20132021031
6 Senary 2000415031
8 Octal 115007333
10 Decimal 20188891
12 Duodecimal 6917477
16 Hexadecimal 1340edb
20 Vigesimal 663c4b
36 Base36 c0puj

Cryptographic Hash Functions

md5 ecbdfa37fa576f439813b94309d9f2ab
sha1 740e29c11713821b5d1ec798d821b808ce527c9e
sha256 ad74c21b7745a7c80ad49c46efd0d4d1c5f45f8559ff99769bd19d69101d0697
sha512 a2ef3a1f1a310e42496e8d05805a05d13013ffd18363c79fcedab81c6ea9271bae914115025bdf3c9b1c46c7c5b2fe45b10842c2cfa81c025e00858295a7e862
ripemd-160 b9f6220c8f17eb505fd85bc0e2a3c948b6c4a973

20188891 as geometric shapes

Circle

Radius = n
Diameter 40377782
Circumference 126850543.29945
Area 1.2804858959817E+15

Sphere

Radius = n
Volume 3.4468786908016E+22
Surface area 5.1219435839268E+15
Circumference 126850543.29945

Square

Length = n
Perimeter 80755564
Area 407591319809881
Diagonal 28551403.461472

Cube

Length = n
Surface area 2445547918859286
Volume 8.2288167281878E+21
Space diagonal 34968184.96047

Equilateral Triangle

Length = n
Perimeter 60566673
Area 1.7649221865869E+14
Altitude 17484092.480235

Triangular Pyramid

Length = n
Surface area 1.7649221865869E+14
Volume 9.6977535160715E+20
Height 9517134.4871574