12999905 (number)

12999905 is an odd 8-digits composite number following 12999904 and preceding 12999906. In scientific notation, it is written as 1.2999905 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 10399920 positive integers (up to 12999905) that are relatively prime to 12999905.

Interesting facts

Basic properties

Name

Name twelve million nine hundred ninety-nine thousand nine hundred five

Notation

Scientific notation 1.2999905 × 10^7
Engineering notation 1.2999905 × 10^6

Prime Factorization of 12999905

Prime Factorization 5 × 2599981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12999905
Product of the distinct prime numbers

The prime factorization of 12999905 is 5 × 2599981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12999905)

Multiplication

n×y
n×2 25999810
n×3 38999715
n×4 51999620
n×5 64999525

Division

n÷y
n÷2 6499952.5
n÷3 4333301.6666667
n÷3 3249976.25
n÷5 2599981

Exponentiation

ny
n2 168997530009025
n3 2.196951835352E+21
n4 2.8560165149151E+28
n5 3.7127943372328E+35

Nth Root

y√n
2√n 3605.5381013103
3√n 235.13289600967
4√n 60.046133108721
5√n 26.472078116924

Divisors of 12999905

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 -12999904
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 12999905 can be divided by 4 positive divisors. The sum of these divisors (counting 12999905) is 1, the average is 0.25.

Base conversion 12999905

Base System Value
2 Binary 110001100101110011100001
3 Ternary 220110110111222
4 Quaternary 301211303201
5 Quinary 11311444110
6 Senary 1142344425
8 Octal 61456341
10 Decimal 12999905
12 Duodecimal 442b115
16 Hexadecimal c65ce1
20 Vigesimal 414jf5
36 Base36 7qmsh

Cryptographic Hash Functions

md5 ec43ef80c2efdf825edded8c11ae7ec2
sha1 a81c9106cc1bd9ca6ef4d54309e7e556068b5a15
sha256 5105859dff027face89d0c43f51a3790c9e4e3e7a76a915d94e196bb6fd353b7
sha512 735705f9d4553799c846118328dd0f448172ec35ac7343798fdb3cac070a17e3e4496c3733415b10441f0da64e6c4cfbd9f4f748309c46fb4e5526fc010ae00d
ripemd-160 9a929b7207368db3263bdacbeae8eed2c7f8b523

12999905 as geometric shapes

Circle

Radius = n
Diameter 25999810
Circumference 81680812.09073
Area 5.3092139875117E+14

Sphere

Radius = n
Volume 9.2025703283098E+21
Surface area 2.1236855950047E+15
Circumference 81680812.09073

Square

Length = n
Perimeter 51999620
Area 168997530009025
Diagonal 18384641.960562

Cube

Length = n
Surface area 1013985180054150
Volume 2.196951835352E+21
Space diagonal 22516495.953569

Equilateral Triangle

Length = n
Perimeter 38999715
Area 73178077082319
Altitude 11258247.976784

Triangular Pyramid

Length = n
Surface area 73178077082319
Volume 2.5891325678627E+20
Height 6128213.9868539