20556987 (number)

20556987 is an odd 8-digits composite number following 20556986 and preceding 20556988. In scientific notation, it is written as 2.0556987 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 12365120 positive integers (up to 20556987) that are relatively prime to 20556987.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.0556987 × 10^7
Engineering notation 2.0556987 × 10^6

Prime Factorization of 20556987

Prime Factorization 411 × 11 × 4547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20556987
Product of the distinct prime numbers

The prime factorization of 20556987 is 411 × 11 × 4547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 69, 9, 580, 67, 1793, 4641, 34869, 74775, 467001, 23364, 6122493, 2516215, 83955678, 12365919, 591108538, 699961358, 7030131216, 3157409812

Basic calculations (n = 20556987)

Multiplication

n×y
n×2 41113974
n×3 61670961
n×4 82227948
n×5 102784935

Division

n÷y
n÷2 10278493.5
n÷3 6852329
n÷3 5139246.75
n÷5 4111397.4

Exponentiation

ny
n2 422589714518169
n3 8.6871712676837E+21
n4 1.7858206681655E+29
n5 3.6711092259809E+36

Nth Root

y√n
2√n 4533.9813629965
3√n 273.93855069683
4√n 67.334845087789
5√n 29.012950179528

Divisors of 20556987

1, 11, 411, 4521, 4547, 50017, 1868817, 20556987

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 -20556986
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 20556987 can be divided by 8 positive divisors. The sum of these divisors (counting 20556987) is 1, the average is 0.125.

Base conversion 20556987

Base System Value
2 Binary 1001110011010110010111011
3 Ternary 1102200101212220
4 Quaternary 1032122302323
5 Quinary 20230310422
6 Senary 2012335123
8 Octal 116326273
10 Decimal 20556987
12 Duodecimal 6a744a3
16 Hexadecimal 139acbb
20 Vigesimal 689c97
36 Base36 c8lvf

Cryptographic Hash Functions

md5 0305089f126e9c6901e7a61ab190928a
sha1 d67ec920b69ac414374b7ac0d0ca75d48648a62c
sha256 2fe4a247b455e51350b5646fdfc11e8c82aec165656cbef332cb1aa5d07b10b0
sha512 131734682c2cb2f9ced266802de2e90fafc316afb803e11daedb3b68b3ec01b27236e32e8609f556cb951ed51796665e23e2c6081c9f5c18ebd3b6b0aca1e737
ripemd-160 6fa2d86d5586f04201c0bb7d6c3d22b0d728a3fe

20556987 as geometric shapes

Circle

Radius = n
Diameter 41113974
Circumference 129163358.67828
Area 1.3276047426129E+15

Sphere

Radius = n
Volume 3.6388737913375E+22
Surface area 5.3104189704516E+15
Circumference 129163358.67828

Square

Length = n
Perimeter 82227948
Area 422589714518169
Diagonal 29071969.816927

Cube

Length = n
Surface area 2535538287109014
Volume 8.6871712676837E+21
Space diagonal 35605745.934533

Equilateral Triangle

Length = n
Perimeter 61670961
Area 1.8298671407537E+14
Altitude 17802872.967266

Triangular Pyramid

Length = n
Surface area 1.8298671407537E+14
Volume 1.023792952118E+21
Height 9690656.6056425