12991009 (number)

12991009 is an odd 8-digits composite number following 12991008 and preceding 12991010. In scientific notation, it is written as 1.2991009 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 12198720 positive integers (up to 12991009) that are relatively prime to 12991009.

Interesting facts

Basic properties

Name

Name twelve million nine hundred ninety-one thousand nine

Notation

Scientific notation 1.2991009 × 10^7
Engineering notation 1.2991009 × 10^6

Prime Factorization of 12991009

Prime Factorization 17 × 971 × 787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12991009
Product of the distinct prime numbers

The prime factorization of 12991009 is 17 × 971 × 787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12991009)

Multiplication

n×y
n×2 25982018
n×3 38973027
n×4 51964036
n×5 64955045

Division

n÷y
n÷2 6495504.5
n÷3 4330336.3333333
n÷3 3247752.25
n÷5 2598201.8

Exponentiation

ny
n2 168766314838081
n3 2.1924447149583E+21
n4 2.8482069024026E+28
n5 3.7001081502975E+35

Nth Root

y√n
2√n 3604.3042324421
3√n 235.07924896226
4√n 60.035857888783
5√n 26.468454088987

Divisors of 12991009

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 -12991008
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 12991009 can be divided by 8 positive divisors. The sum of these divisors (counting 12991009) is 1, the average is 0.125.

Base conversion 12991009

Base System Value
2 Binary 110001100011101000100001
3 Ternary 220110000022111
4 Quaternary 301203220201
5 Quinary 11311203014
6 Senary 1142235321
8 Octal 61435041
10 Decimal 12991009
12 Duodecimal 4425b41
16 Hexadecimal c63a21
20 Vigesimal 413ha9
36 Base36 7qfxd

Cryptographic Hash Functions

md5 251ed8352f57afc273f02d495661d912
sha1 ebc737c16541b51778728d4fbec6d393d91461e7
sha256 9429fc3461833bfe62761501b00e4736cec82e7441143995095a8a4d304220cd
sha512 9e620a3518e0d70c433b844b23c3121141a898f14116f786f79a6eb95aad18ed950bceca3e9229362b789696264f8734aa5e22cd9fe44b38b5bba944d09a7d86
ripemd-160 1cb676f5d191fc916b81aab6851457a3251460c7

12991009 as geometric shapes

Circle

Radius = n
Diameter 25982018
Circumference 81624916.874238
Area 5.3019501486874E+14

Sphere

Radius = n
Volume 9.1836909465532E+21
Surface area 2.1207800594749E+15
Circumference 81624916.874238

Square

Length = n
Perimeter 51964036
Area 168766314838081
Diagonal 18372061.116711

Cube

Length = n
Surface area 1012597889028486
Volume 2.1924447149583E+21
Space diagonal 22501087.629585

Equilateral Triangle

Length = n
Perimeter 38973027
Area 73077957976430
Altitude 11250543.814792

Triangular Pyramid

Length = n
Surface area 73077957976430
Volume 2.5838208755394E+20
Height 6124020.372237