81002502 (number)

81002502 is an even 8-digits composite number following 81002501 and preceding 81002503. In scientific notation, it is written as 8.1002502 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 23143536 positive integers (up to 81002502) that are relatively prime to 81002502.

Interesting facts

Basic properties

Name

Name eighty-one million two thousand five hundred two

Notation

Scientific notation 8.1002502 × 10^7
Engineering notation 8.1002502 × 10^6

Prime Factorization of 81002502

Prime Factorization 2 × 9 × 7 × 642877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81002502
Product of the distinct prime numbers

The prime factorization of 81002502 is 2 × 9 × 7 × 642877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 93, 43, 371, 189, 4761, 8003, 97439, 83680, 442375, 781754, 353154, 4964579, 40095841, 34148720, 654561196, 403203173, 1227676799, 8682870500

Basic calculations (n = 81002502)

Multiplication

n×y
n×2 162005004
n×3 243007506
n×4 324010008
n×5 405012510

Division

n÷y
n÷2 40501251
n÷3 27000834
n÷3 20250625.5
n÷5 16200500.4

Exponentiation

ny
n2 6561405330260004
n3 5.314902483872E+23
n4 4.3052039907964E+31
n5 3.487322948749E+39

Nth Root

y√n
2√n 9000.1389989266
3√n 432.67932599503
4√n 94.86906239089
5√n 38.168024885388

Divisors of 81002502

1, 2, 7, 9, 14, 18, 63, 126, 642877, 1285754, 4500139, 5785893, 9000278, 11571786, 40501251, 81002502

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81002501
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81002502 can be divided by 16 positive divisors. The sum of these divisors (counting 81002502) is 1, the average is 0.0625.

Base conversion 81002502

Base System Value
2 Binary 100110101000000000000000110
3 Ternary 12122102100112200
4 Quaternary 10311000000012
5 Quinary 131214040002
6 Senary 12012055330
8 Octal 465000006
10 Decimal 81002502
12 Duodecimal 23164546
16 Hexadecimal 4d40006
20 Vigesimal 1565652
36 Base36 1c85xi

Cryptographic Hash Functions

md5 d56fa45b27a8a3dc6c46aa84694e2d0e
sha1 27c4fa3a4b9a2713b0face3af57bfb8625b6aa0b
sha256 622d4638ae213ed31be4ac1ae6a99ec2fd7abd4767ab452081e362d1e7a54f15
sha512 e576b2a17558aed8ba1264659f715afab3effc18ba2873be396c3625fd71c2e75ef3a35b589c97760c9f28f3461dbc45a563e866c17d6886827394cd92848a81
ripemd-160 3812f052ddb59e6e5f07ecc31d28fd9ae97deb79

81002502 as geometric shapes

Circle

Radius = n
Diameter 162005004
Circumference 508953730.41119
Area 2.061326278277E+16

Sphere

Radius = n
Volume 2.2263011463838E+24
Surface area 8.2453051131079E+16
Circumference 508953730.41119

Square

Length = n
Perimeter 324010008
Area 6561405330260004
Diagonal 114554836.91455

Cube

Length = n
Surface area 39368431981560024
Volume 5.314902483872E+23
Space diagonal 140300449.0042

Equilateral Triangle

Length = n
Perimeter 243007506
Area 2.8411718502659E+15
Altitude 70150224.5021

Triangular Pyramid

Length = n
Surface area 2.8411718502659E+15
Volume 6.2636726461518E+22
Height 38184945.638185