81076989 (number)

81076989 is an odd 8-digits composite number following 81076988 and preceding 81076990. In scientific notation, it is written as 8.1076989 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 45742320 positive integers (up to 81076989) that are relatively prime to 81076989.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-six thousand nine hundred eighty-nine

Notation

Scientific notation 8.1076989 × 10^7
Engineering notation 8.1076989 × 10^6

Prime Factorization of 81076989

Prime Factorization 3 × 7 × 79 × 48871

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81076989
Product of the distinct prime numbers

The prime factorization of 81076989 is 3 × 7 × 79 × 48871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 82, 2, 178, 199, 2685, 9062, 12588, 8932, 642201, 679718, 6612539, 2562950, 74617888, 99797350, 131384902, 193312836, 5073714476, 9024299445

Basic calculations (n = 81076989)

Multiplication

n×y
n×2 162153978
n×3 243230967
n×4 324307956
n×5 405384945

Division

n÷y
n÷2 40538494.5
n÷3 27025663
n÷3 20269247.25
n÷5 16215397.8

Exponentiation

ny
n2 6573478145306121
n3 5.3295781527872E+23
n4 4.3210614926817E+31
n5 3.5033865511048E+39

Nth Root

y√n
2√n 9004.2761508075
3√n 432.8119108343
4√n 94.89086442228
5√n 38.17504189459

Divisors of 81076989

1, 3, 7, 21, 79, 237, 553, 1659, 48871, 146613, 342097, 1026291, 3860809, 11582427, 27025663, 81076989

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 -81076988
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 81076989 can be divided by 16 positive divisors. The sum of these divisors (counting 81076989) is 1, the average is 0.0625.

Base conversion 81076989

Base System Value
2 Binary 100110101010010001011111101
3 Ternary 12122120010201110
4 Quaternary 10311102023331
5 Quinary 131223430424
6 Senary 12013432233
8 Octal 465221375
10 Decimal 81076989
12 Duodecimal 2319b679
16 Hexadecimal 4d522fd
20 Vigesimal 156ec99
36 Base36 1c9rel

Cryptographic Hash Functions

md5 63266648790d5002266ff9c60071b13c
sha1 ac51518ca75c4a90335f0c548d0be98d04c8d164
sha256 dec7de86eba852a4ee838f3cb1e482c77e4ec11be56c6cb6d270fd1bad20dcfa
sha512 0dfeeb735d28af97e3af9314cc08a1dea9e6fcce0d342b9b7b2b2ff221a6486f2fa48386f0e0b577c2a0a4a3f4319530272543ca3668f83ea512d8174d384505
ripemd-160 254d187e8b9172d3028544a11509d7148cd684e1

81076989 as geometric shapes

Circle

Radius = n
Diameter 162153978
Circumference 509421746.03516
Area 2.0651190649827E+16

Sphere

Radius = n
Volume 2.2324484762039E+24
Surface area 8.2604762599307E+16
Circumference 509421746.03516

Square

Length = n
Perimeter 324307956
Area 6573478145306121
Diagonal 114660177.44017

Cube

Length = n
Surface area 39440868871836726
Volume 5.3295781527872E+23
Space diagonal 140429464.2727

Equilateral Triangle

Length = n
Perimeter 243230967
Area 2.8463995325285E+15
Altitude 70214732.136351

Triangular Pyramid

Length = n
Surface area 2.8463995325285E+15
Volume 6.2809680878326E+22
Height 38220059.146725