81330651 (number)

81330651 is an odd 8-digits composite number following 81330650 and preceding 81330652. In scientific notation, it is written as 8.1330651 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 54220428 positive integers (up to 81330651) that are relatively prime to 81330651.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand six hundred fifty-one

Notation

Scientific notation 8.1330651 × 10^7
Engineering notation 8.1330651 × 10^6

Prime Factorization of 81330651

Prime Factorization 9 × 9036739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81330651
Product of the distinct prime numbers

The prime factorization of 81330651 is 9 × 9036739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330651)

Multiplication

n×y
n×2 162661302
n×3 243991953
n×4 325322604
n×5 406653255

Division

n÷y
n÷2 40665325.5
n÷3 27110217
n÷3 20332662.75
n÷5 16266130.2

Exponentiation

ny
n2 6614674792083801
n3 5.3797580699347E+23
n4 4.3753922605029E+31
n5 3.5585350092706E+39

Nth Root

y√n
2√n 9018.3507915805
3√n 433.26281409983
4√n 94.964997718004
5√n 38.198899370523

Divisors of 81330651

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330650
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330651 can be divided by 4 positive divisors. The sum of these divisors (counting 81330651) is 1, the average is 0.25.

Base conversion 81330651

Base System Value
2 Binary 100110110010000000111011011
3 Ternary 12200001000200100
4 Quaternary 10312100013123
5 Quinary 131310040101
6 Senary 12023110443
8 Octal 466200733
10 Decimal 81330651
12 Duodecimal 232a2423
16 Hexadecimal 4d901db
20 Vigesimal 15866cb
36 Base36 1cf74r

Cryptographic Hash Functions

md5 6cda5a9d2ba7d74aef3c1ead5dc53cc2
sha1 4cfc91e7b03f9cf16fcdfd9c7270de16c2984c58
sha256 f0837e13aaa59bc2abdfa21dd754b16343654768e69448eed93192c631c2f91f
sha512 edb1b74a267621b96322438c85a95ac13e40dab0bf71ddf33fc9ca654b34aca00518682a919b61cb37a12d2717f23d65b976b2ced374642e8d741843f8bfeb82
ripemd-160 6d63798641fc49e356b8780292726c89a56ede89

81330651 as geometric shapes

Circle

Radius = n
Diameter 162661302
Circumference 511015551.38655
Area 2.0780613732696E+16

Sphere

Radius = n
Volume 2.2534677907463E+24
Surface area 8.3122454930784E+16
Circumference 511015551.38655

Square

Length = n
Perimeter 325322604
Area 6614674792083801
Diagonal 115018909.68083

Cube

Length = n
Surface area 39688048752502806
Volume 5.3797580699347E+23
Space diagonal 140868819.74465

Equilateral Triangle

Length = n
Perimeter 243991953
Area 2.8642382038586E+15
Altitude 70434409.872326

Triangular Pyramid

Length = n
Surface area 2.8642382038586E+15
Volume 6.3401056873231E+22
Height 38339636.560278