13158981 (number)

13158981 is an odd 8-digits composite number following 13158980 and preceding 13158982. In scientific notation, it is written as 1.3158981 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 7840800 positive integers (up to 13158981) that are relatively prime to 13158981.

Interesting facts

Basic properties

Name

Name thirteen million one hundred fifty-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.3158981 × 10^7
Engineering notation 1.3158981 × 10^6

Prime Factorization of 13158981

Prime Factorization 9 × 11 × 61 × 2179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 13158981
Product of the distinct prime numbers

The prime factorization of 13158981 is 9 × 11 × 61 × 2179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 16, 34, 387, 586, 5903, 6489, 68199, 78982, 249935, 215352, 8281236, 4535392, 94589528, 31739003, 869180607, 717242264, 8463993209, 9389822922

Basic calculations (n = 13158981)

Multiplication

n×y
n×2 26317962
n×3 39476943
n×4 52635924
n×5 65794905

Division

n÷y
n÷2 6579490.5
n÷3 4386327
n÷3 3289745.25
n÷5 2631796.2

Exponentiation

ny
n2 173158780958361
n3 2.2785931086142E+21
n4 2.9983963422986E+28
n5 3.9455840498776E+35

Nth Root

y√n
2√n 3627.5309785031
3√n 236.08809432637
4√n 60.228987858864
5√n 26.536549518638

Divisors of 13158981

1, 9, 11, 61, 99, 549, 671, 2179, 6039, 19611, 23969, 132919, 215721, 1196271, 1462109, 13158981

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 -13158980
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 13158981 can be divided by 16 positive divisors. The sum of these divisors (counting 13158981) is 1, the average is 0.0625.

Base conversion 13158981

Base System Value
2 Binary 110010001100101001000101
3 Ternary 220202112201200
4 Quaternary 302030221011
5 Quinary 11332041411
6 Senary 1150013113
8 Octal 62145105
10 Decimal 13158981
12 Duodecimal 44a7199
16 Hexadecimal c8ca45
20 Vigesimal 424h91
36 Base36 7u1j9

Cryptographic Hash Functions

md5 86ed9690fb1d6d0a5e048fa44eb01686
sha1 6c986e9f40a046807fcd4b5acc9c2902ff2489c5
sha256 4996c318683dd952fd64c438232e1ddf5a4a7906b8a3d4ee2a881007d08e5cbb
sha512 22523c191a9856dc58b53ac6d88da3c25072c430c9f3c9eba26cd111b75e6ce2f7c4c87700cb47e7c7d37a650505ad25e184b5543709ba75b15feacb40ebe34f
ripemd-160 4c68e90b99c4695c41d9b731a1164b00fb1a04f6

13158981 as geometric shapes

Circle

Radius = n
Diameter 26317962
Circumference 82680316.076655
Area 5.4399435416335E+14

Sphere

Radius = n
Volume 9.5445484940571E+21
Surface area 2.1759774166534E+15
Circumference 82680316.076655

Square

Length = n
Perimeter 52635924
Area 173158780958361
Diagonal 18609609.39721

Cube

Length = n
Surface area 1038952685750166
Volume 2.2785931086142E+21
Space diagonal 22792023.667834

Equilateral Triangle

Length = n
Perimeter 39476943
Area 74979951599143
Altitude 11396011.833917

Triangular Pyramid

Length = n
Surface area 74979951599143
Volume 2.6853477311101E+20
Height 6203203.1324033