81330806 (number)

81330806 is an even 8-digits composite number following 81330805 and preceding 81330807. In scientific notation, it is written as 8.1330806 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 38655144 positive integers (up to 81330806) that are relatively prime to 81330806.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand eight hundred six

Notation

Scientific notation 8.1330806 × 10^7
Engineering notation 8.1330806 × 10^6

Prime Factorization of 81330806

Prime Factorization 2 × 23 × 163 × 10847

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330806
Product of the distinct prime numbers

The prime factorization of 81330806 is 2 × 23 × 163 × 10847. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 43, 34, 562, 774, 1682, 138, 12335, 97777, 941884, 391292, 664223, 9418225, 41261298, 42498641, 551963528, 643343281, 4006166921, 4842834186

Basic calculations (n = 81330806)

Multiplication

n×y
n×2 162661612
n×3 243992418
n×4 325323224
n×5 406654030

Division

n÷y
n÷2 40665403
n÷3 27110268.666667
n÷3 20332701.5
n÷5 16266161.2

Exponentiation

ny
n2 6614700004609636
n3 5.3797888282311E+23
n4 4.3754256150983E+31
n5 3.5585689186899E+39

Nth Root

y√n
2√n 9018.3593851654
3√n 433.26308933716
4√n 94.965042964058
5√n 38.198913930408

Divisors of 81330806

1, 2, 23, 46, 163, 326, 3749, 7498, 10847, 21694, 249481, 498962, 1768061, 3536122, 40665403, 81330806

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 -81330805
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 81330806 can be divided by 16 positive divisors. The sum of these divisors (counting 81330806) is 1, the average is 0.0625.

Base conversion 81330806

Base System Value
2 Binary 100110110010000001001110110
3 Ternary 12200001000220002
4 Quaternary 10312100021312
5 Quinary 131310041211
6 Senary 12023111302
8 Octal 466201166
10 Decimal 81330806
12 Duodecimal 232a2532
16 Hexadecimal 4d90276
20 Vigesimal 1586706
36 Base36 1cf792

Cryptographic Hash Functions

md5 74aa9196e977ad2b5308691f1db9d163
sha1 54f6fd24f21eb9b906441c5a2dc1180168eb2347
sha256 2fb9d2997714c4a4dc205aa3cb3f0a3b51541903bf8f712810c0ca81470e184f
sha512 e64a5b2af7c690e493c2836e1019cd930511ac2e9cc65dc0413e23ac69a48407434ccff4d73395b5f9cfe64482cf92c1e67a747d36a3845077bad1b6c86b6cde
ripemd-160 8133d29c431b120d5d8eb5cdfa1aa9b2e7af8cf4

81330806 as geometric shapes

Circle

Radius = n
Diameter 162661612
Circumference 511016525.28027
Area 2.0780692940182E+16

Sphere

Radius = n
Volume 2.2534806747513E+24
Surface area 8.3122771760728E+16
Circumference 511016525.28027

Square

Length = n
Perimeter 325323224
Area 6614700004609636
Diagonal 115019128.88394

Cube

Length = n
Surface area 39688200027657816
Volume 5.3797888282311E+23
Space diagonal 140869088.21253

Equilateral Triangle

Length = n
Perimeter 243992418
Area 2.8642491212025E+15
Altitude 70434544.106264

Triangular Pyramid

Length = n
Surface area 2.8642491212025E+15
Volume 6.340141936323E+22
Height 38339709.627978