81330798 (number)

81330798 is an even 8-digits composite number following 81330797 and preceding 81330799. In scientific notation, it is written as 8.1330798 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 26287040 positive integers (up to 81330798) that are relatively prime to 81330798.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand seven hundred ninety-eight

Notation

Scientific notation 8.1330798 × 10^7
Engineering notation 8.1330798 × 10^6

Prime Factorization of 81330798

Prime Factorization 2 × 3 × 41 × 1847 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81330798
Product of the distinct prime numbers

The prime factorization of 81330798 is 2 × 3 × 41 × 1847 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330798)

Multiplication

n×y
n×2 162661596
n×3 243992394
n×4 325323192
n×5 406653990

Division

n÷y
n÷2 40665399
n÷3 27110266
n÷3 20332699.5
n÷5 16266159.6

Exponentiation

ny
n2 6614698703316804
n3 5.3797872407032E+23
n4 4.3754238935661E+31
n5 3.55856716852E+39

Nth Root

y√n
2√n 9018.3589416257
3√n 433.26307513138
4√n 94.965040628779
5√n 38.198913178931

Divisors of 81330798

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330797
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330798 can be divided by 32 positive divisors. The sum of these divisors (counting 81330798) is 1, the average is 0.03125.

Base conversion 81330798

Base System Value
2 Binary 100110110010000001001101110
3 Ternary 12200001000212210
4 Quaternary 10312100021232
5 Quinary 131310041143
6 Senary 12023111250
8 Octal 466201156
10 Decimal 81330798
12 Duodecimal 232a2526
16 Hexadecimal 4d9026e
20 Vigesimal 15866ji
36 Base36 1cf78u

Cryptographic Hash Functions

md5 105e832d2d3326c0fa2821eaae2f8a40
sha1 191320b8a416198f9e0a9f8dbe88641d243260bd
sha256 c7b432fdf0ff0432a26fd63d2a02d982e2e9b586517b75a71ab1042afca005b6
sha512 9bc7d38d3cb1e80c7121a6d70ad79338c960be2ea4abafe6a418295c0d97fe904bc87af67880d11809d8dff0951a1026d3c18b4c3acb8efc7cf9e89b93521ce8
ripemd-160 8f9cd797137a8da45844678ed37ef169aa958535

81330798 as geometric shapes

Circle

Radius = n
Diameter 162661596
Circumference 511016475.01479
Area 2.078068885205E+16

Sphere

Radius = n
Volume 2.2534800097692E+24
Surface area 8.31227554082E+16
Circumference 511016475.01479

Square

Length = n
Perimeter 325323192
Area 6614698703316804
Diagonal 115019117.57023

Cube

Length = n
Surface area 39688192219900824
Volume 5.3797872407032E+23
Space diagonal 140869074.35612

Equilateral Triangle

Length = n
Perimeter 243992394
Area 2.8642485577262E+15
Altitude 70434537.178061

Triangular Pyramid

Length = n
Surface area 2.8642485577262E+15
Volume 6.3401400654035E+22
Height 38339705.856742