20049987 (number)

20049987 is an odd 8-digits composite number following 20049986 and preceding 20049988. In scientific notation, it is written as 2.0049987 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 12580352 positive integers (up to 20049987) that are relatively prime to 20049987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0049987 × 10^7
Engineering notation 2.0049987 × 10^6

Prime Factorization of 20049987

Prime Factorization 3 × 17 × 393137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20049987
Product of the distinct prime numbers

The prime factorization of 20049987 is 3 × 17 × 393137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20049987)

Multiplication

n×y
n×2 40099974
n×3 60149961
n×4 80199948
n×5 100249935

Division

n÷y
n÷2 10024993.5
n÷3 6683329
n÷3 5012496.75
n÷5 4009997.4

Exponentiation

ny
n2 402001978700169
n3 8.0601344469127E+21
n4 1.6160559087885E+29
n5 3.2401899962483E+36

Nth Root

y√n
2√n 4477.7211838166
3√n 271.66771617311
4√n 66.915776793045
5√n 28.868406968271

Divisors of 20049987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20049986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20049987 can be divided by 8 positive divisors. The sum of these divisors (counting 20049987) is 1, the average is 0.125.

Base conversion 20049987

Base System Value
2 Binary 1001100011111000001000011
3 Ternary 1101201122102010
4 Quaternary 1030133001003
5 Quinary 20113044422
6 Senary 1553424003
8 Octal 114370103
10 Decimal 20049987
12 Duodecimal 686b003
16 Hexadecimal 131f043
20 Vigesimal 6564j7
36 Base36 bxqo3

Cryptographic Hash Functions

md5 08b4b2ae1842a11800a817e66f943ea1
sha1 afec5227a83017b2678bbed6be85a681ab20b9ac
sha256 58ae6a6f554bdbe27bcbfe8db739dc4f736388a52452d4f5442443dd29402160
sha512 fe8de3b830f14e39b3769d95386beffc10dcccfc1bfefa66a3310c3342cce570b99e0786d0ae5db023040fc2714598358ebf71a2b00b7619a9d4d73fd50590ac
ripemd-160 da02da45e73da7b352f11520ecce560519465bd4

20049987 as geometric shapes

Circle

Radius = n
Diameter 40099974
Circumference 125977783.72754
Area 1.262926463013E+15

Sphere

Radius = n
Volume 3.3762212220489E+22
Surface area 5.051705852052E+15
Circumference 125977783.72754

Square

Length = n
Perimeter 80199948
Area 402001978700169
Diagonal 28354963.540804

Cube

Length = n
Surface area 2412011872201014
Volume 8.0601344469127E+21
Space diagonal 34727596.175095

Equilateral Triangle

Length = n
Perimeter 60149961
Area 1.7407196296298E+14
Altitude 17363798.087548

Triangular Pyramid

Length = n
Surface area 1.7407196296298E+14
Volume 9.4989595411454E+20
Height 9451654.5136014