81248468 (number)

81248468 is an even 8-digits composite number following 81248467 and preceding 81248469. In scientific notation, it is written as 8.1248468 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 24 positive divisors. There are 34820184 positive integers (up to 81248468) that are relatively prime to 81248468.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-eight thousand four hundred sixty-eight

Notation

Scientific notation 8.1248468 × 10^7
Engineering notation 8.1248468 × 10^6

Prime Factorization of 81248468

Prime Factorization 2 × 2 × 7 × 7 × 7 × 59219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 829066
Product of the distinct prime numbers

The prime factorization of 81248468 is 2 × 2 × 7 × 7 × 7 × 59219. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 73, 74, 299, 622, 4141, 7478, 11186, 79151, 95901, 425065, 4171858, 3174098, 88166658, 16400086, 388365274, 735750442, 3110696482, 6415972804

Basic calculations (n = 81248468)

Multiplication

n×y
n×2 162496936
n×3 243745404
n×4 324993872
n×5 406242340

Division

n÷y
n÷2 40624234
n÷3 27082822.666667
n÷3 20312117
n÷5 16249693.6

Exponentiation

ny
n2 6601313552347024
n3 5.3634661291583E+23
n4 4.35773406164E+31
n5 3.5405921645967E+39

Nth Root

y√n
2√n 9013.7932081893
3√n 433.11683044142
4√n 94.940998563262
5√n 38.191176403208

Divisors of 81248468

1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 59219, 118438, 236876, 414533, 829066, 1658132, 2901731, 5803462, 11606924, 20312117, 40624234, 81248468

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81248467
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81248468 can be divided by 24 positive divisors. The sum of these divisors (counting 81248468) is 1, the average is 0.041666666666667.

Base conversion 81248468

Base System Value
2 Binary 100110101111100000011010100
3 Ternary 12122212211221112
4 Quaternary 10311330003110
5 Quinary 131244422333
6 Senary 12021234152
8 Octal 465740324
10 Decimal 81248468
12 Duodecimal 23262958
16 Hexadecimal 4d7c0d4
20 Vigesimal 157g138
36 Base36 1cdfpw

Cryptographic Hash Functions

md5 e9e33c240fcfe816fcb7d46d5194fb8c
sha1 4c5eacab301909bfb97e4ae49c5bc3158d83a3fa
sha256 010391390c2fb354c5b8d74f80682ca4cb6a67f6e05b27bebbcfd21241df563e
sha512 b34b19f370001e73cd83d9fc2f88211cdbca301c76af982b80e91b76fbf65a4133f2dcb751f0483067a6455628737afdc0a5b7b7fda929447b2fab771ef35f55
ripemd-160 36425300107ba199d8af948b000007a97221066d

81248468 as geometric shapes

Circle

Radius = n
Diameter 162496936
Circumference 510499180.36845
Area 2.0738638160096E+16

Sphere

Radius = n
Volume 2.2466434385522E+24
Surface area 8.2954552640385E+16
Circumference 510499180.36845

Square

Length = n
Perimeter 324993872
Area 6601313552347024
Diagonal 114902685.36764

Cube

Length = n
Surface area 39607881314082144
Volume 5.3634661291583E+23
Space diagonal 140726474.61313

Equilateral Triangle

Length = n
Perimeter 243745404
Area 2.8584526173395E+15
Altitude 70363237.306567

Triangular Pyramid

Length = n
Surface area 2.8584526173395E+15
Volume 6.320905450987E+22
Height 38300895.122545