81330497 (number)

81330497 is an odd 8-digits composite number following 81330496 and preceding 81330498. In scientific notation, it is written as 8.1330497 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 79791760 positive integers (up to 81330497) that are relatively prime to 81330497.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330497 × 10^7
Engineering notation 8.1330497 × 10^6

Prime Factorization of 81330497

Prime Factorization 59 × 653 × 2111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330497
Product of the distinct prime numbers

The prime factorization of 81330497 is 59 × 653 × 2111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330497)

Multiplication

n×y
n×2 162660994
n×3 243991491
n×4 325321988
n×5 406652485

Division

n÷y
n÷2 40665248.5
n÷3 27110165.666667
n÷3 20332624.25
n÷5 16266099.4

Exponentiation

ny
n2 6614649742267009
n3 5.379727510195E+23
n4 4.3753591212873E+31
n5 3.5585013188778E+39

Nth Root

y√n
2√n 9018.3422534299
3√n 433.26254063788
4√n 94.964952763796
5√n 38.19888490455

Divisors of 81330497

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 -81330496
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 81330497 can be divided by 8 positive divisors. The sum of these divisors (counting 81330497) is 1, the average is 0.125.

Base conversion 81330497

Base System Value
2 Binary 100110110010000000101000001
3 Ternary 12200001000110122
4 Quaternary 10312100011001
5 Quinary 131310033442
6 Senary 12023110025
8 Octal 466200501
10 Decimal 81330497
12 Duodecimal 232a2315
16 Hexadecimal 4d90141
20 Vigesimal 158664h
36 Base36 1cf70h

Cryptographic Hash Functions

md5 db95182718a4e989029bce0c9713c842
sha1 c60b2bd14bc6af485f8432fa0236ab8b0839fdae
sha256 9ab13ea6908fa963b1003d10dfec546118530b8466e6706fc3999b589372110a
sha512 52e8ae8bda280dfbdd92e9ff8e3210763b62998fd043f9c64d7eaa7f3d5e3b5270bc79acbec80b06018a28dec6f71cb1b79f7d22cacf103320c20fbdf98f4ca1
ripemd-160 e02b96061a3d43351c286f172485b497ccb6461b

81330497 as geometric shapes

Circle

Radius = n
Diameter 162660994
Circumference 511014583.77601
Area 2.0780535036376E+16

Sphere

Radius = n
Volume 2.2534549899125E+24
Surface area 8.3122140145503E+16
Circumference 511014583.77601

Square

Length = n
Perimeter 325321988
Area 6614649742267009
Diagonal 115018691.89194

Cube

Length = n
Surface area 39687898453602054
Volume 5.379727510195E+23
Space diagonal 140868553.00883

Equilateral Triangle

Length = n
Perimeter 243991491
Area 2.8642273569697E+15
Altitude 70434276.504414

Triangular Pyramid

Length = n
Surface area 2.8642273569697E+15
Volume 6.3400696723245E+22
Height 38339563.963981