81330802 (number)

81330802 is an even 8-digits composite number following 81330801 and preceding 81330803. In scientific notation, it is written as 8.1330802 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 34045200 positive integers (up to 81330802) that are relatively prime to 81330802.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330802 × 10^7
Engineering notation 8.1330802 × 10^6

Prime Factorization of 81330802

Prime Factorization 2 × 301 × 135101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330802
Product of the distinct prime numbers

The prime factorization of 81330802 is 2 × 301 × 135101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330802)

Multiplication

n×y
n×2 162661604
n×3 243992406
n×4 325323208
n×5 406654010

Division

n÷y
n÷2 40665401
n÷3 27110267.333333
n÷3 20332700.5
n÷5 16266160.4

Exponentiation

ny
n2 6614699353963204
n3 5.3797880344671E+23
n4 4.3754247543321E+31
n5 3.5585680436048E+39

Nth Root

y√n
2√n 9018.3591633955
3√n 433.26308223427
4√n 94.965041796419
5√n 38.19891355467

Divisors of 81330802

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330801
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330802 can be divided by 8 positive divisors. The sum of these divisors (counting 81330802) is 1, the average is 0.125.

Base conversion 81330802

Base System Value
2 Binary 100110110010000001001110010
3 Ternary 12200001000212221
4 Quaternary 10312100021302
5 Quinary 131310041202
6 Senary 12023111254
8 Octal 466201162
10 Decimal 81330802
12 Duodecimal 232a252a
16 Hexadecimal 4d90272
20 Vigesimal 1586702
36 Base36 1cf78y

Cryptographic Hash Functions

md5 481c1a5cbdbf1b7500617a299ab2ab88
sha1 aec220a455ab3b6da2ec8dd819f257bc48beb059
sha256 c08b78e5d8be25ba89e9c890a392071e45ef3657b1ad17f12ed2b251ce6e10da
sha512 644142ca96e5857b3ec3098056cafd9b7320785ceeffc62532d45cf7187a9011fc588d3da2d7f12ac7605d6ee8674c38dbb1063ced4861978d97f89424431e39
ripemd-160 fc66f83af34ebd5a921ee656d7db36df78f7b0f8

81330802 as geometric shapes

Circle

Radius = n
Diameter 162661604
Circumference 511016500.14753
Area 2.0780690896116E+16

Sphere

Radius = n
Volume 2.2534803422603E+24
Surface area 8.3122763584464E+16
Circumference 511016500.14753

Square

Length = n
Perimeter 325323208
Area 6614699353963204
Diagonal 115019123.22708

Cube

Length = n
Surface area 39688196123779224
Volume 5.3797880344671E+23
Space diagonal 140869081.28432

Equilateral Triangle

Length = n
Perimeter 243992406
Area 2.8642488394643E+15
Altitude 70434540.642162

Triangular Pyramid

Length = n
Surface area 2.8642488394643E+15
Volume 6.3401410008632E+22
Height 38339707.74236