81234568 (number)

81234568 is an even 8-digits composite number following 81234567 and preceding 81234569. In scientific notation, it is written as 8.1234568 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 35976192 positive integers (up to 81234568) that are relatively prime to 81234568.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-four thousand five hundred sixty-eight

Notation

Scientific notation 8.1234568 × 10^7
Engineering notation 8.1234568 × 10^6

Prime Factorization of 81234568

Prime Factorization 2 × 2 × 2 × 29 × 731 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20308642
Product of the distinct prime numbers

The prime factorization of 81234568 is 2 × 2 × 2 × 29 × 731 × 479. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 96, 8, 522, 921, 4386, 4361, 44408, 67053, 930898, 717640, 5814864, 4100273, 25513092, 24614530, 575827781, 804129333, 6922660128, 3587373547

Basic calculations (n = 81234568)

Multiplication

n×y
n×2 162469136
n×3 243703704
n×4 324938272
n×5 406172840

Division

n÷y
n÷2 40617284
n÷3 27078189.333333
n÷3 20308642
n÷5 16246913.6

Exponentiation

ny
n2 6599055038146624
n3 5.3607138523206E+23
n4 4.3547527396488E+31
n5 3.5375645755219E+39

Nth Root

y√n
2√n 9013.0221346672
3√n 433.09212980217
4√n 94.936937672684
5√n 38.189869563346

Divisors of 81234568

1, 2, 4, 8, 29, 58, 116, 232, 479, 731, 958, 1462, 1916, 2924, 3832, 5848, 13891, 21199, 27782, 42398, 55564, 84796, 111128, 169592, 350149, 700298, 1400596, 2801192, 10154321, 20308642, 40617284, 81234568

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81234567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81234568 can be divided by 32 positive divisors. The sum of these divisors (counting 81234568) is 1, the average is 0.03125.

Base conversion 81234568

Base System Value
2 Binary 100110101111000101010001000
3 Ternary 12122212010212201
4 Quaternary 10311320222020
5 Quinary 131244001233
6 Senary 12021045544
8 Octal 465705210
10 Decimal 81234568
12 Duodecimal 232568b4
16 Hexadecimal 4d78a88
20 Vigesimal 157e688
36 Base36 1cd4zs

Cryptographic Hash Functions

md5 e8649d76c8d2482e0821075e709e9b84
sha1 796759eb58cac6e657d4041cac81db04691ee1b1
sha256 5a7ada0e93db85bb15917224eabdd2b366d43c7c790005eeacb76245810df845
sha512 1a7b9877a9c9c7a372eb27636d3b793d9a443e7f0241f375b7b409d44857ecb4724235ffcf0281e9074cfdac4366bea3dc31ff8769d6f1bde4658cb9fc911eb3
ripemd-160 cfea0f9a9b7ef4b9ecc5db2bc472ba0f8631e28d

81234568 as geometric shapes

Circle

Radius = n
Diameter 162469136
Circumference 510411844.09268
Area 2.0731542828476E+16

Sphere

Radius = n
Volume 2.2454905675263E+24
Surface area 8.2926171313905E+16
Circumference 510411844.09268

Square

Length = n
Perimeter 324938272
Area 6599055038146624
Diagonal 114883027.79912

Cube

Length = n
Surface area 39594330228879744
Volume 5.3607138523206E+23
Space diagonal 140702399.10691

Equilateral Triangle

Length = n
Perimeter 243703704
Area 2.8574746520033E+15
Altitude 70351199.553454

Triangular Pyramid

Length = n
Surface area 2.8574746520033E+15
Volume 6.3176618616276E+22
Height 38294342.599706