20145949 (number)

20145949 is an odd 8-digits prime number following 20145948 and preceding 20145950. In scientific notation, it is written as 2.0145949 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 20145948 positive integers (up to 20145949) that are relatively prime to 20145949.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred forty-nine

Notation

Scientific notation 2.0145949 × 10^7
Engineering notation 2.0145949 × 10^6

Prime Factorization of 20145949

Prime Factorization 20145949

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20145949
Product of the distinct prime numbers

The prime factorization of 20145949 is 20145949. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145949)

Multiplication

n×y
n×2 40291898
n×3 60437847
n×4 80583796
n×5 100729745

Division

n÷y
n÷2 10072974.5
n÷3 6715316.3333333
n÷3 5036487.25
n÷5 4029189.8

Exponentiation

ny
n2 405859261110601
n3 8.1764199755119E+21
n4 1.6472173982924E+29
n5 3.3184757697912E+36

Nth Root

y√n
2√n 4488.4238881817
3√n 272.10043958644
4√n 66.995700520121
5√n 28.895987850903

Divisors of 20145949

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20145950
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10072975
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4488.4239995794
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999007245
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145949 can be divided by 2 positive divisors. The sum of these divisors (counting 20145949) is 20145950, the average is 10072975.

Base conversion 20145949

Base System Value
2 Binary 1001100110110011100011101
3 Ternary 1101220112001021
4 Quaternary 1030312130131
5 Quinary 20124132244
6 Senary 1555444141
8 Octal 114663435
10 Decimal 20145949
12 Duodecimal 68b6651
16 Hexadecimal 133671d
20 Vigesimal 65i4h9
36 Base36 bzspp

Cryptographic Hash Functions

md5 cde3fdaa1784403f21f80c358b37f442
sha1 b7ac4c1fbe8536d268f01561dfd24849df0e2911
sha256 534b08cfe7faccb147bed2cfc9639c313c91a798621bd6e47229e039cccc0525
sha512 fc3fe6bd3a3825902c08c310611d369e38a579fcbe410ff70c89409c36441abe20ae564ce9c83ef6767a864eaf8e4cbd670bd82d947b8a7d16646431b009dca4
ripemd-160 025a1e7bfa40b79c7c15475b9baaa58b6e552746

20145949 as geometric shapes

Circle

Radius = n
Diameter 40291898
Circumference 126580730.75599
Area 1.2750444730964E+15

Sphere

Radius = n
Volume 3.4249307903644E+22
Surface area 5.1001778923858E+15
Circumference 126580730.75599

Square

Length = n
Perimeter 80583796
Area 405859261110601
Diagonal 28490674.302677

Cube

Length = n
Surface area 2435155566663606
Volume 8.1764199755119E+21
Space diagonal 34893807.234691

Equilateral Triangle

Length = n
Perimeter 60437847
Area 1.7574221524148E+14
Altitude 17446903.617346

Triangular Pyramid

Length = n
Surface area 1.7574221524148E+14
Volume 9.636003350856E+20
Height 9496891.4342256