20101988 (number)

20101988 is an even 8-digits composite number following 20101987 and preceding 20101989. In scientific notation, it is written as 2.0101988 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 9704352 positive integers (up to 20101988) that are relatively prime to 20101988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0101988 × 10^7
Engineering notation 2.0101988 × 10^6

Prime Factorization of 20101988

Prime Factorization 2 × 2 × 29 × 173293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10050994
Product of the distinct prime numbers

The prime factorization of 20101988 is 2 × 2 × 29 × 173293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 50, 63, 144, 827, 3433, 5769, 99639, 8233, 423388, 936975, 1073559, 6850684, 53826623, 89687195, 107000981, 376560523, 539661943, 1796082989

Basic calculations (n = 20101988)

Multiplication

n×y
n×2 40203976
n×3 60305964
n×4 80407952
n×5 100509940

Division

n÷y
n÷2 10050994
n÷3 6700662.6666667
n÷3 5025497
n÷5 4020397.6

Exponentiation

ny
n2 404089921552144
n3 8.1230107539621E+21
n4 1.6328866470002E+29
n5 3.2824267783358E+36

Nth Root

y√n
2√n 4483.5240603793
3√n 271.90237629818
4√n 66.959122308908
5√n 28.883365891474

Divisors of 20101988

1, 2, 4, 29, 58, 116, 173293, 346586, 693172, 5025497, 10050994, 20101988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20101987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20101988 can be divided by 12 positive divisors. The sum of these divisors (counting 20101988) is 1, the average is 0.083333333333333.

Base conversion 20101988

Base System Value
2 Binary 1001100101011101101100100
3 Ternary 1101211021202002
4 Quaternary 1030223231210
5 Quinary 20121230423
6 Senary 1554504432
8 Octal 114535544
10 Decimal 20101988
12 Duodecimal 6895118
16 Hexadecimal 132bb64
20 Vigesimal 65cej8
36 Base36 byusk

Cryptographic Hash Functions

md5 54149c65cd1a2c12a8f16b7767e85cb0
sha1 de8c30d2b1547290748850236d8482dcd7fe5eef
sha256 bdeda0d761c73426b13d28e2c1b355c2713d624da824296d6cea22449cbb273b
sha512 86984a02f638c6c4bc67562689878b3f9147a50b5a8796c00d310e40b45a2dedb4dbbb5236faab83f0d87ae372fcede3d7e47c7f047839529dcc634c61badfdc
ripemd-160 f4acda21e1afcb32df01405a770b0de001316249

20101988 as geometric shapes

Circle

Radius = n
Diameter 40203976
Circumference 126304515.6467
Area 1.2694859289379E+15

Sphere

Radius = n
Volume 3.4025587879571E+22
Surface area 5.0779437157516E+15
Circumference 126304515.6467

Square

Length = n
Perimeter 80407952
Area 404089921552144
Diagonal 28428504.060261

Cube

Length = n
Surface area 2424539529312864
Volume 8.1230107539621E+21
Space diagonal 34817664.54914

Equilateral Triangle

Length = n
Perimeter 60305964
Area 1.7497606873871E+14
Altitude 17408832.27457

Triangular Pyramid

Length = n
Surface area 1.7497606873871E+14
Volume 9.5730599796298E+20
Height 9476168.0200871