2989905 (number)

2989905 is an odd 7-digits composite number following 2989904 and preceding 2989906. In scientific notation, it is written as 2.989905 × 10^6. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 1560320 positive integers (up to 2989905) that are relatively prime to 2989905.

Interesting facts

Basic properties

Name

Name two million nine hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 2.989905 × 10^6
Engineering notation 2.989905 × 10^6

Prime Factorization of 2989905

Prime Factorization 15 × 47 × 4241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2989905
Product of the distinct prime numbers

The prime factorization of 2989905 is 15 × 47 × 4241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2989905)

Multiplication

n×y
n×2 5979810
n×3 8969715
n×4 11959620
n×5 14949525

Division

n÷y
n÷2 1494952.5
n÷3 996635
n÷3 747476.25
n÷5 597981

Exponentiation

ny
n2 8939531909025
n3 2.6728351152453E+19
n4 7.9915230752476E+25
n5 2.3893894800298E+32

Nth Root

y√n
2√n 1729.1341764016
3√n 144.06300290933
4√n 41.582859165786
5√n 19.730199558572

Divisors of 2989905

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 -2989904
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 2989905 can be divided by 8 positive divisors. The sum of these divisors (counting 2989905) is 1, the average is 0.125.

Base conversion 2989905

Base System Value
2 Binary 1011011001111101010001
3 Ternary 12121220101020
4 Quaternary 23121331101
5 Quinary 1231134110
6 Senary 144030053
8 Octal 13317521
10 Decimal 2989905
12 Duodecimal 1002329
16 Hexadecimal 2d9f51
20 Vigesimal idef5
36 Base36 1s30x

Cryptographic Hash Functions

md5 dd2ef494d4f3e6b7e5e986871cb3bc9f
sha1 d36cfd27b253d1d08a3c9d7b99d8fa99ff62590a
sha256 c41d43d8fa0ad68d162039d6fc9b1e9cfe389f5d6755ffcd677278b9efdac2d2
sha512 4a9f41b1853b304af7d258c8711a296a788732993681c5aa3e1c60e466b9afcf857d0d37e8a46a6ec5421a1d3d5396cd207f6e440b8419ca6ae78940a4f4c286
ripemd-160 1eb90f2e4961de33c73d545083be7d7796561094

2989905 as geometric shapes

Circle

Radius = n
Diameter 5979810
Circumference 18786127.165863
Area 28084367771924

Sphere

Radius = n
Volume 1.1195945549749E+20
Surface area 1.123374710877E+14
Circumference 18786127.165863

Square

Length = n
Perimeter 11959620
Area 8939531909025
Diagonal 4228364.2012071

Cube

Length = n
Surface area 53637191454150
Volume 2.6728351152453E+19
Space diagonal 5178667.3698042

Equilateral Triangle

Length = n
Perimeter 8969715
Area 3870930865578.6
Altitude 2589333.6849021

Triangular Pyramid

Length = n
Surface area 3870930865578.6
Volume 3.1499663916392E+18
Height 1409454.7337357