81330225 (number)

81330225 is an odd 8-digits composite number following 81330224 and preceding 81330226. In scientific notation, it is written as 8.1330225 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 43376080 positive integers (up to 81330225) that are relatively prime to 81330225.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred twenty-five

Notation

Scientific notation 8.1330225 × 10^7
Engineering notation 8.1330225 × 10^6

Prime Factorization of 81330225

Prime Factorization 15 × 5 × 1084403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330225
Product of the distinct prime numbers

The prime factorization of 81330225 is 15 × 5 × 1084403. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330225)

Multiplication

n×y
n×2 162660450
n×3 243990675
n×4 325320900
n×5 406651125

Division

n÷y
n÷2 40665112.5
n÷3 27110075
n÷3 20332556.25
n÷5 16266045

Exponentiation

ny
n2 6614605498550625
n3 5.3796735348336E+23
n4 4.3753005901456E+31
n5 3.5584418143918E+39

Nth Root

y√n
2√n 9018.3271730405
3√n 433.26205763931
4√n 94.964873364
5√n 38.198859354207

Divisors of 81330225

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 -81330224
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 81330225 can be divided by 8 positive divisors. The sum of these divisors (counting 81330225) is 1, the average is 0.125.

Base conversion 81330225

Base System Value
2 Binary 100110110010000000000110001
3 Ternary 12200001000002120
4 Quaternary 10312100000301
5 Quinary 131310031400
6 Senary 12023104453
8 Octal 466200061
10 Decimal 81330225
12 Duodecimal 232a2129
16 Hexadecimal 4d90031
20 Vigesimal 15865b5
36 Base36 1cf6sx

Cryptographic Hash Functions

md5 1cd09b5e4bff0630969a14908dc102c1
sha1 9895c320eee3dfab1a55fa328055cbf5ec7f4c05
sha256 f8f4040249e8b71abea1e729721917855a01b08c1e8da0e5274f0e8e3d58ccb7
sha512 7cb8579edf6c9889ae4f14ecff91aa411b93c7f400ee7599ed901054779e900f4176d3fde84089552553286ff812c441b8af755a675771c1649dd062507bee4b
ripemd-160 9c4395bcf75dde9cd47c8570694d6f8a5f68bf26

81330225 as geometric shapes

Circle

Radius = n
Diameter 162660450
Circumference 511012874.74961
Area 2.0780396040641E+16

Sphere

Radius = n
Volume 2.253432380766E+24
Surface area 8.3121584162565E+16
Circumference 511012874.74961

Square

Length = n
Perimeter 325320900
Area 6614605498550625
Diagonal 115018307.22586

Cube

Length = n
Surface area 39687632991303750
Volume 5.3796735348336E+23
Space diagonal 140868081.89101

Equilateral Triangle

Length = n
Perimeter 243990675
Area 2.8642081988785E+15
Altitude 70434040.945504

Triangular Pyramid

Length = n
Surface area 2.8642081988785E+15
Volume 6.3400060617511E+22
Height 38339435.741952