81330752 (number)

81330752 is an even 8-digits composite number following 81330751 and preceding 81330753. In scientific notation, it is written as 8.1330752 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 40488960 positive integers (up to 81330752) that are relatively prime to 81330752.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand seven hundred fifty-two

Notation

Scientific notation 8.1330752 × 10^7
Engineering notation 8.1330752 × 10^6

Prime Factorization of 81330752

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 241 × 5273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2541586
Product of the distinct prime numbers

The prime factorization of 81330752 is 2 × 2 × 2 × 2 × 2 × 2 × 241 × 5273. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330752)

Multiplication

n×y
n×2 162661504
n×3 243992256
n×4 325323008
n×5 406653760

Division

n÷y
n÷2 40665376
n÷3 27110250.666667
n÷3 20332688
n÷5 16266150.4

Exponentiation

ny
n2 6614691220885504
n3 5.3797781124242E+23
n4 4.375413994766E+31
n5 3.5585571050564E+39

Nth Root

y√n
2√n 9018.3563912722
3√n 433.26299344807
4√n 94.965027200924
5√n 38.198908857935

Divisors of 81330752

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330751
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330752 can be divided by 28 positive divisors. The sum of these divisors (counting 81330752) is 1, the average is 0.035714285714286.

Base conversion 81330752

Base System Value
2 Binary 100110110010000001001000000
3 Ternary 12200001000211002
4 Quaternary 10312100021000
5 Quinary 131310041002
6 Senary 12023111132
8 Octal 466201100
10 Decimal 81330752
12 Duodecimal 232a24a8
16 Hexadecimal 4d90240
20 Vigesimal 15866hc
36 Base36 1cf77k

Cryptographic Hash Functions

md5 ade1db0b4026a126f5b7de6f03d82c8e
sha1 2f2c7dac1ce9120ff8547bfb524ee9583f7d901b
sha256 ebd9b7bcf7d223f219d06c6818d4519c40c45ca086534f6f792c85fdb7ccb949
sha512 8635108218e06b13574dc0be97fed1e762baa4c3e4a911b113223680f693956d8b32fc328083604583ea2f53f02e0c95d5d16bf72df5a8f9fc2ac5ba7452b16c
ripemd-160 8fdcc2dcd975cc938d87393f85c5521a1afe521f

81330752 as geometric shapes

Circle

Radius = n
Diameter 162661504
Circumference 511016185.98827
Area 2.0780665345299E+16

Sphere

Radius = n
Volume 2.2534761861247E+24
Surface area 8.3122661381195E+16
Circumference 511016185.98827

Square

Length = n
Perimeter 325323008
Area 6614691220885504
Diagonal 115019052.5164

Cube

Length = n
Surface area 39688147325313024
Volume 5.3797781124242E+23
Space diagonal 140868994.68178

Equilateral Triangle

Length = n
Perimeter 243992256
Area 2.8642453177384E+15
Altitude 70434497.340892

Triangular Pyramid

Length = n
Surface area 2.8642453177384E+15
Volume 6.3401293076235E+22
Height 38339684.172134