20081965 (number)

20081965 is an odd 8-digits composite number following 20081964 and preceding 20081966. In scientific notation, it is written as 2.0081965 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15762240 positive integers (up to 20081965) that are relatively prime to 20081965.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand nine hundred sixty-five

Notation

Scientific notation 2.0081965 × 10^7
Engineering notation 2.0081965 × 10^6

Prime Factorization of 20081965

Prime Factorization 5 × 53 × 75781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081965
Product of the distinct prime numbers

The prime factorization of 20081965 is 5 × 53 × 75781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081965)

Multiplication

n×y
n×2 40163930
n×3 60245895
n×4 80327860
n×5 100409825

Division

n÷y
n÷2 10040982.5
n÷3 6693988.3333333
n÷3 5020491.25
n÷5 4016393

Exponentiation

ny
n2 403285318261225
n3 8.0987616463358E+21
n4 1.6263904792506E+29
n5 3.2661116680643E+36

Nth Root

y√n
2√n 4481.2905507231
3√n 271.81206831608
4√n 66.942442073195
5√n 28.877609623023

Divisors of 20081965

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 -20081964
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 20081965 can be divided by 8 positive divisors. The sum of these divisors (counting 20081965) is 1, the average is 0.125.

Base conversion 20081965

Base System Value
2 Binary 1001100100110110100101101
3 Ternary 1101210021021111
4 Quaternary 1030212310231
5 Quinary 20120110330
6 Senary 1554232021
8 Octal 114466455
10 Decimal 20081965
12 Duodecimal 6885611
16 Hexadecimal 1326d2d
20 Vigesimal 65a4i5
36 Base36 byfcd

Cryptographic Hash Functions

md5 f906a26f8beeb6124f54562d41562494
sha1 48b5d5b67c01164faa212ec37f578fc666830af1
sha256 94f8409137299fd892010aac798888f2ee8100443e41d74f20154b7d99727dda
sha512 15f4ecb51b138c38796bdc8e855b9a3c3e4418bbdea26c6e93bff1d11729fda22134cdb4ab1fa150b5b01b522701a487538206043738005fc40625935643afc1
ripemd-160 60c0e56dd8bc6623fe4847178b94041df259cfa7

20081965 as geometric shapes

Circle

Radius = n
Diameter 40163930
Circumference 126178707.42729
Area 1.2669581931501E+15

Sphere

Radius = n
Volume 3.3924013455071E+22
Surface area 5.0678327726003E+15
Circumference 126178707.42729

Square

Length = n
Perimeter 80327860
Area 403285318261225
Diagonal 28400187.262102

Cube

Length = n
Surface area 2419711909567350
Volume 8.0987616463358E+21
Space diagonal 34782983.69582

Equilateral Triangle

Length = n
Perimeter 60245895
Area 1.7462766529376E+14
Altitude 17391491.84791

Triangular Pyramid

Length = n
Surface area 1.7462766529376E+14
Volume 9.5444821322293E+20
Height 9466729.0873673