13449987 (number)

13449987 is an odd 8-digits composite number following 13449986 and preceding 13449988. In scientific notation, it is written as 1.3449987 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 8852688 positive integers (up to 13449987) that are relatively prime to 13449987.

Interesting facts

Basic properties

Name

Name thirteen million four hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 1.3449987 × 10^7
Engineering notation 1.3449987 × 10^6

Prime Factorization of 13449987

Prime Factorization 3 × 3 × 79 × 18917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4483329
Product of the distinct prime numbers

The prime factorization of 13449987 is 3 × 3 × 79 × 18917. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 44, 62, 314, 260, 8489, 8256, 71805, 7843, 270168, 563042, 808094, 9287416, 65665451, 65501197, 413706748, 763428337, 5807152482, 6842100150

Basic calculations (n = 13449987)

Multiplication

n×y
n×2 26899974
n×3 40349961
n×4 53799948
n×5 67249935

Division

n÷y
n÷2 6724993.5
n÷3 4483329
n÷3 3362496.75
n÷5 2689997.4

Exponentiation

ny
n2 180902150300169
n3 2.4331315698093E+21
n4 3.2725587983225E+28
n5 4.4015873294173E+35

Nth Root

y√n
2√n 3667.4223918169
3√n 237.81575435164
4√n 60.559246955497
5√n 26.652894050831

Divisors of 13449987

1, 3, 9, 79, 237, 711, 18917, 56751, 170253, 1494443, 4483329, 13449987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13449986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13449987 can be divided by 12 positive divisors. The sum of these divisors (counting 13449987) is 1, the average is 0.083333333333333.

Base conversion 13449987

Base System Value
2 Binary 110011010011101100000011
3 Ternary 221022022220200
4 Quaternary 303103230003
5 Quinary 11420344422
6 Senary 1200140243
8 Octal 63235403
10 Decimal 13449987
12 Duodecimal 4607683
16 Hexadecimal cd3b03
20 Vigesimal 4414j7
36 Base36 80a2r

Cryptographic Hash Functions

md5 e3f09fce00e52d92ceeede37e42d3ec0
sha1 73ddbec8908cdc2f1c84888c764271f7f0bce401
sha256 eb122a2890419dafc56e942b172bbd427a2a31b43e2556088985573273767b0b
sha512 cfda00024442f75843359909847d57405d71f6cbe9ea3217483e1083346188d227935aee2c02696d09976fb3c11ad4ce7980bd4375ee3fce85f041d106747e6f
ripemd-160 d949a4c0001e6379b2eeec6a5dc8ee796679e6b1

13449987 as geometric shapes

Circle

Radius = n
Diameter 26899974
Circumference 84508760.700156
Area 5.6832086640161E+14

Sphere

Radius = n
Volume 1.0191877686574E+22
Surface area 2.2732834656064E+15
Circumference 84508760.700156

Square

Length = n
Perimeter 53799948
Area 180902150300169
Diagonal 19021154.029142

Cube

Length = n
Surface area 1085412901801014
Volume 2.4331315698093E+21
Space diagonal 23296060.845141

Equilateral Triangle

Length = n
Perimeter 40349961
Area 78332928879589
Altitude 11648030.42257

Triangular Pyramid

Length = n
Surface area 78332928879589
Volume 2.8674730542187E+20
Height 6340384.6763806