81330298 (number)

81330298 is an even 8-digits composite number following 81330297 and preceding 81330299. In scientific notation, it is written as 8.1330298 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 31933440 positive integers (up to 81330298) that are relatively prime to 81330298.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330298 × 10^7
Engineering notation 8.1330298 × 10^6

Prime Factorization of 81330298

Prime Factorization 2 × 217 × 133 × 1409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330298
Product of the distinct prime numbers

The prime factorization of 81330298 is 2 × 217 × 133 × 1409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 16, 44, 521, 971, 9089, 2012, 30951, 40476, 705091, 635639, 9237510, 7209723, 48512944, 48619225, 515731161, 754060058, 9812493847, 7335309411

Basic calculations (n = 81330298)

Multiplication

n×y
n×2 162660596
n×3 243990894
n×4 325321192
n×5 406651490

Division

n÷y
n÷2 40665149
n÷3 27110099.333333
n÷3 20332574.5
n÷5 16266059.6

Exponentiation

ny
n2 6614617372768804
n3 5.3796880208326E+23
n4 4.3753162988135E+31
n5 3.5584577842676E+39

Nth Root

y√n
2√n 9018.3312203534
3√n 433.26218726771
4√n 94.964894673523
5√n 38.198866211475

Divisors of 81330298

1, 2, 133, 217, 266, 434, 1409, 2818, 28861, 57722, 187397, 305753, 374794, 611506, 40665149, 81330298

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 -81330297
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 81330298 can be divided by 16 positive divisors. The sum of these divisors (counting 81330298) is 1, the average is 0.0625.

Base conversion 81330298

Base System Value
2 Binary 100110110010000000001111010
3 Ternary 12200001000012021
4 Quaternary 10312100001322
5 Quinary 131310032143
6 Senary 12023105054
8 Octal 466200172
10 Decimal 81330298
12 Duodecimal 232a218a
16 Hexadecimal 4d9007a
20 Vigesimal 15865ei
36 Base36 1cf6uy

Cryptographic Hash Functions

md5 b9b15440b83aba145cd07bfcadcf8631
sha1 933938a994ab8efb4d4b7b126a501976b3f05ac6
sha256 86aefb5dd8d4a2828fed54162f93cc0dcc34f6e07983262c538f84e4fd76b48c
sha512 acef2c0c40ab86df3237d1d5aa08469e3e0cb3e84f20b1cdfa69feec6c1e5336231cf6563e8b91e25e07c40960e526f254661e8367b80721d9a86b6297040d94
ripemd-160 a0fc498fed8e8674a142d5aee8cb32f7d2e29d6c

81330298 as geometric shapes

Circle

Radius = n
Diameter 162660596
Circumference 511013333.42214
Area 2.0780433344598E+16

Sphere

Radius = n
Volume 2.253438448647E+24
Surface area 8.3121733378392E+16
Circumference 511013333.42214

Square

Length = n
Perimeter 325321192
Area 6614617372768804
Diagonal 115018410.46345

Cube

Length = n
Surface area 39687704236612824
Volume 5.3796880208326E+23
Space diagonal 140868208.33072

Equilateral Triangle

Length = n
Perimeter 243990894
Area 2.8642133405658E+15
Altitude 70434104.165359

Triangular Pyramid

Length = n
Surface area 2.8642133405658E+15
Volume 6.3400231336647E+22
Height 38339470.154482