12909890 (number)

12909890 is an even 8-digits composite number following 12909889 and preceding 12909891. In scientific notation, it is written as 1.2909890 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 4322304 positive integers (up to 12909890) that are relatively prime to 12909890.

Interesting facts

Basic properties

Name

Name twelve million nine hundred nine thousand eight hundred ninety

Notation

Scientific notation 1.2909890 × 10^7
Engineering notation 1.2909890 × 10^6

Prime Factorization of 12909890

Prime Factorization 2 × 35 × 43 × 4289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12909890
Product of the distinct prime numbers

The prime factorization of 12909890 is 2 × 35 × 43 × 4289. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 47, 84, 414, 275, 1232, 512, 31772, 37264, 460283, 80774, 3612424, 4816764, 94324485, 5150873, 156666664, 948210093, 9153207347, 9341991345

Basic calculations (n = 12909890)

Multiplication

n×y
n×2 25819780
n×3 38729670
n×4 51639560
n×5 64549450

Division

n÷y
n÷2 6454945
n÷3 4303296.6666667
n÷3 3227472.5
n÷5 2581978

Exponentiation

ny
n2 166665259812100
n3 2.1516301709956E+21
n4 2.7777308828235E+28
n5 3.5860200146854E+35

Nth Root

y√n
2√n 3593.0335372774
3√n 234.58892976885
4√n 59.941918031352
5√n 26.435316131831

Divisors of 12909890

1, 2, 35, 43, 70, 86, 1505, 3010, 4289, 8578, 150115, 184427, 300230, 368854, 6454945, 12909890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12909889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12909890 can be divided by 16 positive divisors. The sum of these divisors (counting 12909890) is 1, the average is 0.0625.

Base conversion 12909890

Base System Value
2 Binary 110001001111110101000010
3 Ternary 220021220001002
4 Quaternary 301033311002
5 Quinary 11301104030
6 Senary 1140412002
8 Octal 61176502
10 Decimal 12909890
12 Duodecimal 43a7002
16 Hexadecimal c4fd42
20 Vigesimal 40deea
36 Base36 7opc2

Cryptographic Hash Functions

md5 8bb447dc82d5f23d360e9debf3ddb8ff
sha1 a377849f6c92d95b698d562d08bb81876602b152
sha256 96183fa3665f76dc89584e204cf9ffa6a995aacc5f8a562871b5b9879bba5153
sha512 0addeb95f4180d8358d0240518532fc1f9acd9c96629142448b442a68cc0e7d182a09deaaff6aac01b61eccb80d928e4131752664c4e838d8515c746c8137fbb
ripemd-160 160beeb8e2a66199a73d597d9584dbd103efd1b8

12909890 as geometric shapes

Circle

Radius = n
Diameter 25819780
Circumference 81115231.165305
Area 5.2359435583433E+14

Sphere

Radius = n
Volume 9.0127273845894E+21
Surface area 2.0943774233373E+15
Circumference 81115231.165305

Square

Length = n
Perimeter 51639560
Area 166665259812100
Diagonal 18257341.526745

Cube

Length = n
Surface area 999991558872600
Volume 2.1516301709956E+21
Space diagonal 22360585.400125

Equilateral Triangle

Length = n
Perimeter 38729670
Area 72168174462806
Altitude 11180292.700063

Triangular Pyramid

Length = n
Surface area 72168174462806
Volume 2.5357204741943E+20
Height 6085780.5089149