12989890 (number)

12989890 is an even 8-digits composite number following 12989889 and preceding 12989891. In scientific notation, it is written as 1.2989890 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 5195952 positive integers (up to 12989890) that are relatively prime to 12989890.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-nine thousand eight hundred ninety

Notation

Scientific notation 1.2989890 × 10^7
Engineering notation 1.2989890 × 10^6

Prime Factorization of 12989890

Prime Factorization 2 × 5 × 1298989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12989890
Product of the distinct prime numbers

The prime factorization of 12989890 is 2 × 5 × 1298989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12989890)

Multiplication

n×y
n×2 25979780
n×3 38969670
n×4 51959560
n×5 64949450

Division

n÷y
n÷2 6494945
n÷3 4329963.3333333
n÷3 3247472.5
n÷5 2597978

Exponentiation

ny
n2 168737242212100
n3 2.1918782152385E+21
n4 2.8472256909345E+28
n5 3.6985148530413E+35

Nth Root

y√n
2√n 3604.1489980299
3√n 235.07249913416
4√n 60.034565027407
5√n 26.467998093296

Divisors of 12989890

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 -12989889
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 12989890 can be divided by 8 positive divisors. The sum of these divisors (counting 12989890) is 1, the average is 0.125.

Base conversion 12989890

Base System Value
2 Binary 110001100011010111000010
3 Ternary 220102221210001
4 Quaternary 301203113002
5 Quinary 11311134030
6 Senary 1142230214
8 Octal 61432702
10 Decimal 12989890
12 Duodecimal 442536a
16 Hexadecimal c635c2
20 Vigesimal 413eea
36 Base36 7qf2a

Cryptographic Hash Functions

md5 20cc41886cb4e61e78b68cee46cc3a2a
sha1 1fb46eb4576555e24addaf9f8dd33d662bd1e870
sha256 8ab0d3c1759c2d4a0746f5ce6621b0df479bd9d68c2fd57c7bd1edb1d62ed922
sha512 4638ad230bf980af02978989ff330964a28ae6398af461d2f51a0b6e624bf15ee7aef5d35108d4efaef075566c8a195520af81ee5bb2aed357ccf3700ebd302e
ripemd-160 85b5a6f85646965b8c4c1ff71a75664b3e95107a

12989890 as geometric shapes

Circle

Radius = n
Diameter 25979780
Circumference 81617885.989879
Area 5.3010368052053E+14

Sphere

Radius = n
Volume 9.1813179980759E+21
Surface area 2.1204147220821E+15
Circumference 81617885.989879

Square

Length = n
Perimeter 51959560
Area 168737242212100
Diagonal 18370478.611735

Cube

Length = n
Surface area 1012423453272600
Volume 2.1918782152385E+21
Space diagonal 22499149.464731

Equilateral Triangle

Length = n
Perimeter 38969670
Area 73065369160103
Altitude 11249574.732365

Triangular Pyramid

Length = n
Surface area 73065369160103
Volume 2.5831532492171E+20
Height 6123492.8705782