20187940 (number)

20187940 is an even 8-digits composite number following 20187939 and preceding 20187941. In scientific notation, it is written as 2.0187940 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 7856640 positive integers (up to 20187940) that are relatively prime to 20187940.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand nine hundred forty

Notation

Scientific notation 2.0187940 × 10^7
Engineering notation 2.0187940 × 10^6

Prime Factorization of 20187940

Prime Factorization 2 × 2 × 5 × 37 × 27281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10093970
Product of the distinct prime numbers

The prime factorization of 20187940 is 2 × 2 × 5 × 37 × 27281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 13, 67, 240, 757, 7784, 1035, 89769, 58250, 615596, 189248, 1595843, 8816787, 4091770, 35747214, 15157686, 422775704, 1433439616, 2864407979

Basic calculations (n = 20187940)

Multiplication

n×y
n×2 40375880
n×3 60563820
n×4 80751760
n×5 100939700

Division

n÷y
n÷2 10093970
n÷3 6729313.3333333
n÷3 5046985
n÷5 4037588

Exponentiation

ny
n2 407552921443600
n3 8.2276539249281E+21
n4 1.6609938377721E+29
n5 3.3532043937314E+36

Nth Root

y√n
2√n 4493.0991531459
3√n 272.28935830062
4√n 67.030583714793
5√n 28.908023630979

Divisors of 20187940

1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27281, 54562, 109124, 136405, 272810, 545620, 1009397, 2018794, 4037588, 5046985, 10093970, 20187940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187940 can be divided by 24 positive divisors. The sum of these divisors (counting 20187940) is 1, the average is 0.041666666666667.

Base conversion 20187940

Base System Value
2 Binary 1001101000000101100100100
3 Ternary 1101222122122111
4 Quaternary 1031000230210
5 Quinary 20132003230
6 Senary 2000410404
8 Octal 115005444
10 Decimal 20187940
12 Duodecimal 6916a04
16 Hexadecimal 1340b24
20 Vigesimal 6639h0
36 Base36 c0p44

Cryptographic Hash Functions

md5 c73159046174cee553829606c42eb851
sha1 af6cf268327bd987679a53c48292d928e0fbc597
sha256 47eda330cd7aa62207758ac88c91d2d67b5084eb67ceb4a4927d9de20c408c19
sha512 632b0fe6ba146760d463cafc5cc2a52f825b91aa4b947f74dd7637df6fa0c19e742bb30402dc92674688c032f204e842da062bdd693441173c342254d5e7f972
ripemd-160 2b9a38e840589503d34b4f26f8eb9fe310ce91e6

20187940 as geometric shapes

Circle

Radius = n
Diameter 40375880
Circumference 126844567.99022
Area 1.2803652639563E+15

Sphere

Radius = n
Volume 3.4463916169111E+22
Surface area 5.1214610558251E+15
Circumference 126844567.99022

Square

Length = n
Perimeter 80751760
Area 407552921443600
Diagonal 28550058.544374

Cube

Length = n
Surface area 2445317528661600
Volume 8.2276539249281E+21
Space diagonal 34966537.780152

Equilateral Triangle

Length = n
Perimeter 60563820
Area 1.7647559167836E+14
Altitude 17483268.890076

Triangular Pyramid

Length = n
Surface area 1.7647559167836E+14
Volume 9.696383139288E+20
Height 9516686.1814581