81330498 (number)

81330498 is an even 8-digits composite number following 81330497 and preceding 81330499. In scientific notation, it is written as 8.1330498 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 27064152 positive integers (up to 81330498) that are relatively prime to 81330498.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330498 × 10^7
Engineering notation 8.1330498 × 10^6

Prime Factorization of 81330498

Prime Factorization 2 × 9 × 643 × 7027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330498
Product of the distinct prime numbers

The prime factorization of 81330498 is 2 × 9 × 643 × 7027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 71, 65, 153, 523, 4034, 1946, 27802, 61537, 137642, 888217, 6426388, 710385, 95929274, 64818518, 774801288, 496875995, 2713288185, 1303415541

Basic calculations (n = 81330498)

Multiplication

n×y
n×2 162660996
n×3 243991494
n×4 325321992
n×5 406652490

Division

n÷y
n÷2 40665249
n÷3 27110166
n÷3 20332624.5
n÷5 16266099.6

Exponentiation

ny
n2 6614649904928004
n3 5.3797277086345E+23
n4 4.3753593364764E+31
n5 3.5585015376458E+39

Nth Root

y√n
2√n 9018.3423088725
3√n 433.26254241361
4√n 94.964953055706
5√n 38.198884998485

Divisors of 81330498

1, 2, 9, 18, 643, 1286, 5787, 7027, 11574, 14054, 63243, 126486, 4518361, 9036722, 40665249, 81330498

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 -81330497
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 81330498 can be divided by 16 positive divisors. The sum of these divisors (counting 81330498) is 1, the average is 0.0625.

Base conversion 81330498

Base System Value
2 Binary 100110110010000000101000010
3 Ternary 12200001000110200
4 Quaternary 10312100011002
5 Quinary 131310033443
6 Senary 12023110030
8 Octal 466200502
10 Decimal 81330498
12 Duodecimal 232a2316
16 Hexadecimal 4d90142
20 Vigesimal 158664i
36 Base36 1cf70i

Cryptographic Hash Functions

md5 2d8cfadab47248a4bbd337fc06c5d49d
sha1 13eac0bb3aca4951eb13a1408489bb759c96240e
sha256 769251193977b5c4a0299354b1f3c8a2fa8b5d8a8dbc43b09934b4f88b3f8a37
sha512 d477187ade0878730c50c00557ff424b1a9b9065734ac8181c5f9b077c5cf1b1959245261088fb31e659238a01edb8f7f1f0dc09ce8def89e27fbec949cdd7ba
ripemd-160 2e312f5158aad0ed95e41eadeff695310d9ab4d7

81330498 as geometric shapes

Circle

Radius = n
Diameter 162660996
Circumference 511014590.0592
Area 2.078053554739E+16

Sphere

Radius = n
Volume 2.2534550730346E+24
Surface area 8.3122142189561E+16
Circumference 511014590.0592

Square

Length = n
Perimeter 325321992
Area 6614649904928004
Diagonal 115018693.30616

Cube

Length = n
Surface area 39687899429568024
Volume 5.3797277086345E+23
Space diagonal 140868554.74088

Equilateral Triangle

Length = n
Perimeter 243991494
Area 2.864227427404E+15
Altitude 70434277.370439

Triangular Pyramid

Length = n
Surface area 2.864227427404E+15
Volume 6.3400699061877E+22
Height 38339564.435386