20187748 (number)

20187748 is an even 8-digits composite number following 20187747 and preceding 20187749. In scientific notation, it is written as 2.0187748 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8651880 positive integers (up to 20187748) that are relatively prime to 20187748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187748 × 10^7
Engineering notation 2.0187748 × 10^6

Prime Factorization of 20187748

Prime Factorization 2 × 2 × 7 × 720991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10093874
Product of the distinct prime numbers

The prime factorization of 20187748 is 2 × 2 × 7 × 720991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 34, 92, 735, 43, 6637, 8429, 4185, 15326, 303669, 708068, 8976196, 6111997, 32729669, 31040818, 43166078, 159197714, 5502427855, 979769523

Basic calculations (n = 20187748)

Multiplication

n×y
n×2 40375496
n×3 60563244
n×4 80750992
n×5 100938740

Division

n÷y
n÷2 10093874
n÷3 6729249.3333333
n÷3 5046937
n÷5 4037549.6

Exponentiation

ny
n2 407545169311504
n3 8.227419176678E+21
n4 1.6609306502914E+29
n5 3.3530449413559E+36

Nth Root

y√n
2√n 4493.0777869963
3√n 272.28849508357
4√n 67.030424338477
5√n 28.907968644075

Divisors of 20187748

1, 2, 4, 7, 14, 28, 720991, 1441982, 2883964, 5046937, 10093874, 20187748

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 -20187747
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 20187748 can be divided by 12 positive divisors. The sum of these divisors (counting 20187748) is 1, the average is 0.083333333333333.

Base conversion 20187748

Base System Value
2 Binary 1001101000000101001100100
3 Ternary 1101222122101101
4 Quaternary 1031000221210
5 Quinary 20132001443
6 Senary 2000405444
8 Octal 115005144
10 Decimal 20187748
12 Duodecimal 6916884
16 Hexadecimal 1340a64
20 Vigesimal 663978
36 Base36 c0oys

Cryptographic Hash Functions

md5 bf40eb9315da0ded03dfb36a8c15e54d
sha1 46b7146d6822a49d51fa858aa82c57c5a62b2b26
sha256 84f17445f7f9050dfb7150a2fd65c27e3e8a87a2b5d751ddd8773b588bb0d5cd
sha512 2349334a37ae5ec14eb8e288d734b1e7631a3ad0fad671210969fc5b786f2cb0620f723deb763a523d9337d5f1819edf41e0cc20fb5017b8193c33f43e62f894
ripemd-160 c02289eb9b1e7eed3632fb18bafdca5f60621733

20187748 as geometric shapes

Circle

Radius = n
Diameter 40375496
Circumference 126843361.61864
Area 1.280340909915E+15

Sphere

Radius = n
Volume 3.446293285794E+22
Surface area 5.1213636396601E+15
Circumference 126843361.61864

Square

Length = n
Perimeter 80750992
Area 407545169311504
Diagonal 28549787.01537

Cube

Length = n
Surface area 2445271015869024
Volume 8.227419176678E+21
Space diagonal 34966205.226397

Equilateral Triangle

Length = n
Perimeter 60563244
Area 1.764722349067E+14
Altitude 17483102.613198

Triangular Pyramid

Length = n
Surface area 1.764722349067E+14
Volume 9.6961064858221E+20
Height 9516595.6717901