20705989 (number)

20705989 is an odd 8-digits composite number following 20705988 and preceding 20705990. In scientific notation, it is written as 2.0705989 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20682540 positive integers (up to 20705989) that are relatively prime to 20705989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0705989 × 10^7
Engineering notation 2.0705989 × 10^6

Prime Factorization of 20705989

Prime Factorization 919 × 22531

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20705989
Product of the distinct prime numbers

The prime factorization of 20705989 is 919 × 22531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20705989)

Multiplication

n×y
n×2 41411978
n×3 62117967
n×4 82823956
n×5 103529945

Division

n÷y
n÷2 10352994.5
n÷3 6901996.3333333
n÷3 5176497.25
n÷5 4141197.8

Exponentiation

ny
n2 428737980468121
n3 8.8774439074551E+21
n4 1.8381625589588E+29
n5 3.8060973726013E+36

Nth Root

y√n
2√n 4550.3833904409
3√n 274.59881556666
4√n 67.45652963532
5√n 29.054887339024

Divisors of 20705989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20705988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20705989 can be divided by 4 positive divisors. The sum of these divisors (counting 20705989) is 1, the average is 0.25.

Base conversion 20705989

Base System Value
2 Binary 1001110111111001011000101
3 Ternary 1102221222021111
4 Quaternary 1032333023011
5 Quinary 20300042424
6 Senary 2015445021
8 Octal 116771305
10 Decimal 20705989
12 Duodecimal 6b26771
16 Hexadecimal 13bf2c5
20 Vigesimal 6984j9
36 Base36 cbsud

Cryptographic Hash Functions

md5 c0914c7725962d104ad2d994de5870b0
sha1 240efad22df2c071652b25b18f202492c6cfd986
sha256 b9a9b4e75dedc640506e0d4a1808115dc81ef5e1ed6bb2d4a995df65aaffcd1d
sha512 236196584c6885517e24db57d4a95735a3030dd3c55a7388d6ddae6ff50f237945f80216a88e77aec59159620ae43dfa60bfb4f718b3944899ccd5a24363b9c3
ripemd-160 d1fe4c33516d800842f3c28957c473b44122ad91

20705989 as geometric shapes

Circle

Radius = n
Diameter 41411978
Circumference 130099565.85542
Area 1.3469200897536E+15

Sphere

Radius = n
Volume 3.7185750083089E+22
Surface area 5.3876803590143E+15
Circumference 130099565.85542

Square

Length = n
Perimeter 82823956
Area 428737980468121
Diagonal 29282690.466148

Cube

Length = n
Surface area 2572427882808726
Volume 8.8774439074551E+21
Space diagonal 35863824.968962

Equilateral Triangle

Length = n
Perimeter 62117967
Area 1.8564899132631E+14
Altitude 17931912.484481

Triangular Pyramid

Length = n
Surface area 1.8564899132631E+14
Volume 1.0462167977608E+21
Height 9760896.8220494