81001330 (number)

81001330 is an even 8-digits composite number following 81001329 and preceding 81001331. In scientific notation, it is written as 8.1001330 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 32400528 positive integers (up to 81001330) that are relatively prime to 81001330.

Interesting facts

Basic properties

Name

Name eighty-one million one thousand three hundred thirty

Notation

Scientific notation 8.1001330 × 10^7
Engineering notation 8.1001330 × 10^6

Prime Factorization of 81001330

Prime Factorization 2 × 5 × 8100133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81001330
Product of the distinct prime numbers

The prime factorization of 81001330 is 2 × 5 × 8100133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81001330)

Multiplication

n×y
n×2 162002660
n×3 243003990
n×4 324005320
n×5 405006650

Division

n÷y
n÷2 40500665
n÷3 27000443.333333
n÷3 20250332.5
n÷5 16200266

Exponentiation

ny
n2 6561215461768900
n3 5.3146717881985E+23
n4 4.3049548335755E+31
n5 3.4870706710955E+39

Nth Root

y√n
2√n 9000.0738885856
3√n 432.67723921744
4√n 94.868719231291
5√n 38.167914436493

Divisors of 81001330

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 -81001329
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 81001330 can be divided by 8 positive divisors. The sum of these divisors (counting 81001330) is 1, the average is 0.125.

Base conversion 81001330

Base System Value
2 Binary 100110100111111101101110010
3 Ternary 12122102021221021
4 Quaternary 10310333231302
5 Quinary 131214020310
6 Senary 12012050054
8 Octal 464775562
10 Decimal 81001330
12 Duodecimal 2316392a
16 Hexadecimal 4d3fb72
20 Vigesimal 156536a
36 Base36 1c850y

Cryptographic Hash Functions

md5 6ce2237abe17d60347dd44cfc35ebd96
sha1 f09292785a3319822862b6d0ab305377315cc8c0
sha256 9b33cccbc6b3e3fbd925eeaf4903adb5741e4816fdb693969c4cba5b2b43e003
sha512 28746dabb84834b9c8fb2605b8b5145fb8e20e43caca6582ade28d8797f9c106f8771dac1dd46aec209a67840016c6131143f0b1b38ba424174d5d43c99c81d0
ripemd-160 e119eb5614b5f782e3e2ad60a788b69f6be23ec2

81001330 as geometric shapes

Circle

Radius = n
Diameter 162002660
Circumference 508946366.51801
Area 2.0612666293313E+16

Sphere

Radius = n
Volume 2.226204512806E+24
Surface area 8.2450665173252E+16
Circumference 508946366.51801

Square

Length = n
Perimeter 324005320
Area 6561215461768900
Diagonal 114553179.45626

Cube

Length = n
Surface area 39367292770613400
Volume 5.3146717881985E+23
Space diagonal 140298419.04065

Equilateral Triangle

Length = n
Perimeter 243003990
Area 2.8410896347976E+15
Altitude 70149209.520327

Triangular Pyramid

Length = n
Surface area 2.8410896347976E+15
Volume 6.2634007686933E+22
Height 38184393.152086