20112987 (number)

20112987 is an odd 8-digits composite number following 20112986 and preceding 20112988. In scientific notation, it is written as 2.0112987 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13393800 positive integers (up to 20112987) that are relatively prime to 20112987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0112987 × 10^7
Engineering notation 2.0112987 × 10^6

Prime Factorization of 20112987

Prime Factorization 3 × 1051 × 6379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20112987
Product of the distinct prime numbers

The prime factorization of 20112987 is 3 × 1051 × 6379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20112987)

Multiplication

n×y
n×2 40225974
n×3 60338961
n×4 80451948
n×5 100564935

Division

n÷y
n÷2 10056493.5
n÷3 6704329
n÷3 5028246.75
n÷5 4022597.4

Exponentiation

ny
n2 404532246062169
n3 8.1363518061292E+21
n4 1.636463381041E+29
n5 3.2914166708854E+36

Nth Root

y√n
2√n 4484.7504947321
3√n 271.95195860728
4√n 66.968279765364
5√n 28.886525963342

Divisors of 20112987

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 -20112986
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 20112987 can be divided by 8 positive divisors. The sum of these divisors (counting 20112987) is 1, the average is 0.125.

Base conversion 20112987

Base System Value
2 Binary 1001100101110011001011011
3 Ternary 1101211211211110
4 Quaternary 1030232121123
5 Quinary 20122103422
6 Senary 1555031403
8 Octal 114563133
10 Decimal 20112987
12 Duodecimal 689b563
16 Hexadecimal 132e65b
20 Vigesimal 65e297
36 Base36 bz3a3

Cryptographic Hash Functions

md5 78a85b82686eed94fe9c17d6db6e95c4
sha1 2510bd03018c040219ce15fb80a7b80652c1df28
sha256 09ecd805924d237a9e0268a3ae08fc454ceb3dc5f196b7e7dfcc52f4f7706600
sha512 1a45750f4e4974fec3a437477bf124e8fdb738657dde8d943e0b4e1620344d9d0d15086f49cdacb44bc0eafe85ac9e761dddf536b57db708b0df4be66c5748e3
ripemd-160 02af0fcebc4dc2540c982211de6110f98856a5b8

20112987 as geometric shapes

Circle

Radius = n
Diameter 40225974
Circumference 126373624.40189
Area 1.2708755323691E+15

Sphere

Radius = n
Volume 3.408147074821E+22
Surface area 5.0835021294764E+15
Circumference 126373624.40189

Square

Length = n
Perimeter 80451948
Area 404532246062169
Diagonal 28444058.995234

Cube

Length = n
Surface area 2427193476373014
Volume 8.1363518061292E+21
Space diagonal 34836715.375972

Equilateral Triangle

Length = n
Perimeter 60338961
Area 1.7516760086991E+14
Altitude 17418357.687986

Triangular Pyramid

Length = n
Surface area 1.7516760086991E+14
Volume 9.588782560389E+20
Height 9481352.9984113