81330794 (number)

81330794 is an even 8-digits composite number following 81330793 and preceding 81330795. In scientific notation, it is written as 8.1330794 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 39160800 positive integers (up to 81330794) that are relatively prime to 81330794.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330794 × 10^7
Engineering notation 8.1330794 × 10^6

Prime Factorization of 81330794

Prime Factorization 2 × 31 × 211 × 6217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330794
Product of the distinct prime numbers

The prime factorization of 81330794 is 2 × 31 × 211 × 6217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 25, 16, 876, 83, 5804, 6565, 99801, 58985, 83148, 690353, 7246881, 4579274, 70089839, 27083233, 583161846, 830674374, 682901649, 6791356993

Basic calculations (n = 81330794)

Multiplication

n×y
n×2 162661588
n×3 243992382
n×4 325323176
n×5 406653970

Division

n÷y
n÷2 40665397
n÷3 27110264.666667
n÷3 20332698.5
n÷5 16266158.8

Exponentiation

ny
n2 6614698052670436
n3 5.3797864469394E+23
n4 4.3754230328002E+31
n5 3.5585662934353E+39

Nth Root

y√n
2√n 9018.3587198558
3√n 433.26306802848
4√n 94.96503946114
5√n 38.198912803192

Divisors of 81330794

1, 2, 31, 62, 211, 422, 6217, 6541, 12434, 13082, 192727, 385454, 1311787, 2623574, 40665397, 81330794

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 -81330793
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 81330794 can be divided by 16 positive divisors. The sum of these divisors (counting 81330794) is 1, the average is 0.0625.

Base conversion 81330794

Base System Value
2 Binary 100110110010000001001101010
3 Ternary 12200001000212122
4 Quaternary 10312100021222
5 Quinary 131310041134
6 Senary 12023111242
8 Octal 466201152
10 Decimal 81330794
12 Duodecimal 232a2522
16 Hexadecimal 4d9026a
20 Vigesimal 15866je
36 Base36 1cf78q

Cryptographic Hash Functions

md5 6048ecf2d8c6a5f8527acae9d537c250
sha1 11dae80f34e877fa147f1a6cc182726f219d79e8
sha256 483177e63c57fd4ba75b7738391a4e6368105c59ab90ef89477aec74fd2a485f
sha512 7d1a7f0e6a52775125c556b97308909e3e72684d09c61cebaede160bdfa032071a52f8a49e29261a4d86dd4857c7c2c765742015dcc511f55c965bc46316d6ec
ripemd-160 4b34ba12afe72e4f37ae98ffe265a0b1c31de264

81330794 as geometric shapes

Circle

Radius = n
Diameter 162661588
Circumference 511016449.88205
Area 2.0780686807984E+16

Sphere

Radius = n
Volume 2.2534796772782E+24
Surface area 8.3122747231937E+16
Circumference 511016449.88205

Square

Length = n
Perimeter 325323176
Area 6614698052670436
Diagonal 115019111.91337

Cube

Length = n
Surface area 39688188316022616
Volume 5.3797864469394E+23
Space diagonal 140869067.42792

Equilateral Triangle

Length = n
Perimeter 243992382
Area 2.864248275988E+15
Altitude 70434533.713959

Triangular Pyramid

Length = n
Surface area 2.864248275988E+15
Volume 6.3401391299439E+22
Height 38339703.971124