12920991 (number)

12920991 is an odd 8-digits composite number following 12920990 and preceding 12920992. In scientific notation, it is written as 1.2920991 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8605440 positive integers (up to 12920991) that are relatively prime to 12920991.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty thousand nine hundred ninety-one

Notation

Scientific notation 1.2920991 × 10^7
Engineering notation 1.2920991 × 10^6

Prime Factorization of 12920991

Prime Factorization 3 × 1621 × 2657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12920991
Product of the distinct prime numbers

The prime factorization of 12920991 is 3 × 1621 × 2657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12920991)

Multiplication

n×y
n×2 25841982
n×3 38762973
n×4 51683964
n×5 64604955

Division

n÷y
n÷2 6460495.5
n÷3 4306997
n÷3 3230247.75
n÷5 2584198.2

Exponentiation

ny
n2 166952008422081
n3 2.1571853982536E+21
n4 2.7872973116167E+28
n5 3.6014643477723E+35

Nth Root

y√n
2√n 3594.5780002665
3√n 234.65615021348
4√n 59.954799643286
5√n 26.439860826796

Divisors of 12920991

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 -12920990
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 12920991 can be divided by 8 positive divisors. The sum of these divisors (counting 12920991) is 1, the average is 0.125.

Base conversion 12920991

Base System Value
2 Binary 110001010010100010011111
3 Ternary 220022110021020
4 Quaternary 301102202133
5 Quinary 11301432431
6 Senary 1140535223
8 Octal 61224237
10 Decimal 12920991
12 Duodecimal 43b1513
16 Hexadecimal c5289f
20 Vigesimal 40f29b
36 Base36 7oxwf

Cryptographic Hash Functions

md5 c304a6a5862b789528975d9ea35869c2
sha1 2420f0a68559d15693b1a71e6ee8d712812bb44c
sha256 ea556d020493f94d3592fa5cfc8b6ef1fe09e9549af5649cd2c0a161884aea8d
sha512 0c2331bb0bdd8c29659418335b8e8a89cb055f72a75ef8fec4f9b7947c377950e73aa0f6c5407e344d4561b96bfafd97962988b01ac522d0a252963e5a7b9dcf
ripemd-160 d284f17148b220d32e8490c37fa07abd2614c8f3

12920991 as geometric shapes

Circle

Radius = n
Diameter 25841982
Circumference 81184980.8054
Area 5.2449520316087E+14

Sphere

Radius = n
Volume 9.035997066113E+21
Surface area 2.0979808126435E+15
Circumference 81184980.8054

Square

Length = n
Perimeter 51683964
Area 166952008422081
Diagonal 18273040.711501

Cube

Length = n
Surface area 1001712050532486
Volume 2.1571853982536E+21
Space diagonal 22379812.89614

Equilateral Triangle

Length = n
Perimeter 38762973
Area 72292340253178
Altitude 11189906.44807

Triangular Pyramid

Length = n
Surface area 72292340253178
Volume 2.5422673723029E+20
Height 6091013.5705002