81330458 (number)

81330458 is an even 8-digits composite number following 81330457 and preceding 81330459. In scientific notation, it is written as 8.1330458 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 35804160 positive integers (up to 81330458) that are relatively prime to 81330458.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand four hundred fifty-eight

Notation

Scientific notation 8.1330458 × 10^7
Engineering notation 8.1330458 × 10^6

Prime Factorization of 81330458

Prime Factorization 2 × 11 × 149 × 43 × 577

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81330458
Product of the distinct prime numbers

The prime factorization of 81330458 is 2 × 11 × 149 × 43 × 577. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 4, 22, 461, 368, 7719, 1897, 15634, 41789, 862740, 968514, 1977668, 8885732, 53882916, 4106920, 465184277, 44509182, 5767615770, 64071379

Basic calculations (n = 81330458)

Multiplication

n×y
n×2 162660916
n×3 243991374
n×4 325321832
n×5 406652290

Division

n÷y
n÷2 40665229
n÷3 27110152.666667
n÷3 20332614.5
n÷5 16266091.6

Exponentiation

ny
n2 6614643398489764
n3 5.3797197710585E+23
n4 4.3753507289184E+31
n5 3.5584927869357E+39

Nth Root

y√n
2√n 9018.3400911698
3√n 433.26247138448
4√n 94.964941379278
5√n 38.198881241086

Divisors of 81330458

1, 2, 11, 22, 43, 86, 149, 298, 473, 577, 946, 1154, 1639, 3278, 6347, 6407, 12694, 12814, 24811, 49622, 70477, 85973, 140954, 171946, 272921, 545842, 945703, 1891406, 3696839, 7393678, 40665229, 81330458

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 -81330457
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 81330458 can be divided by 32 positive divisors. The sum of these divisors (counting 81330458) is 1, the average is 0.03125.

Base conversion 81330458

Base System Value
2 Binary 100110110010000000100011010
3 Ternary 12200001000102012
4 Quaternary 10312100010122
5 Quinary 131310033313
6 Senary 12023105522
8 Octal 466200432
10 Decimal 81330458
12 Duodecimal 232a22a2
16 Hexadecimal 4d9011a
20 Vigesimal 158662i
36 Base36 1cf6ze

Cryptographic Hash Functions

md5 a0f78328b3fde11194fb213881518ade
sha1 772d4f430d7df9d85d158c5f2bde084a390b8e71
sha256 f4d4068997062ef9229bae934b3c27a751a97663a4dd830520e7af8cde4375b7
sha512 55d7201c980d8e3619bff8c43c5b9824130bdb513bd62358fedff01536ebb06256519ddc00633ecd01c14f96096de971afdb2313b19390942e1570e436dd372d
ripemd-160 14d7e19da02959b1ff7b5aab266f9a52fa66b409

81330458 as geometric shapes

Circle

Radius = n
Diameter 162660916
Circumference 511014338.73179
Area 2.0780515106812E+16

Sphere

Radius = n
Volume 2.2534517481505E+24
Surface area 8.3122060427247E+16
Circumference 511014338.73179

Square

Length = n
Perimeter 325321832
Area 6614643398489764
Diagonal 115018636.73762

Cube

Length = n
Surface area 39687860390938584
Volume 5.3797197710585E+23
Space diagonal 140868485.45885

Equilateral Triangle

Length = n
Perimeter 243991374
Area 2.8642246100336E+15
Altitude 70434242.729423

Triangular Pyramid

Length = n
Surface area 2.8642246100336E+15
Volume 6.3400605516647E+22
Height 38339545.579205