81612434 (number)

81612434 is an even 8-digits composite number following 81612433 and preceding 81612435. In scientific notation, it is written as 8.1612434 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 40721940 positive integers (up to 81612434) that are relatively prime to 81612434.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred twelve thousand four hundred thirty-four

Notation

Scientific notation 8.1612434 × 10^7
Engineering notation 8.1612434 × 10^6

Prime Factorization of 81612434

Prime Factorization 2 × 487 × 83791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81612434
Product of the distinct prime numbers

The prime factorization of 81612434 is 2 × 487 × 83791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81612434)

Multiplication

n×y
n×2 163224868
n×3 244837302
n×4 326449736
n×5 408062170

Division

n÷y
n÷2 40806217
n÷3 27204144.666667
n÷3 20403108.5
n÷5 16322486.8

Exponentiation

ny
n2 6660589383404356
n3 5.4358691145419E+23
n4 4.4363450934319E+31
n5 3.6206092113893E+39

Nth Root

y√n
2√n 9033.9600397611
3√n 433.76260669231
4√n 95.047146405145
5√n 38.225331998574

Divisors of 81612434

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81612433
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81612434 can be divided by 8 positive divisors. The sum of these divisors (counting 81612434) is 1, the average is 0.125.

Base conversion 81612434

Base System Value
2 Binary 100110111010100111010010010
3 Ternary 12200120100012202
4 Quaternary 10313110322102
5 Quinary 131343044214
6 Senary 12033123202
8 Octal 467247222
10 Decimal 81612434
12 Duodecimal 233b9502
16 Hexadecimal 4dd4e92
20 Vigesimal 15a1b1e
36 Base36 1cl8k2

Cryptographic Hash Functions

md5 85439ba54a0c2569f6ad62369291bc4c
sha1 e106e6eae23e98a2baf174cb9d427d38c8101940
sha256 f4dfe2348b6e6214ef96ef191e7f8c6f97e57f7173014671779ad8d65decc750
sha512 9355093daed07e3a855552cede360ff15f654b7d4832bb1f15e73d5a27d053d2ce4c074a5b70d9e3e98e1c0a74415cfd42a2599a19f8b968aeded2e156537c77
ripemd-160 c3cb600b5a5a6775ae38d15e0740f9ad6d161415

81612434 as geometric shapes

Circle

Radius = n
Diameter 163224868
Circumference 512786046.19196
Area 2.0924858675481E+16

Sphere

Radius = n
Volume 2.2769715301494E+24
Surface area 8.3699434701925E+16
Circumference 512786046.19196

Square

Length = n
Perimeter 326449736
Area 6660589383404356
Diagonal 115417411.02108

Cube

Length = n
Surface area 39963536300426136
Volume 5.4358691145419E+23
Space diagonal 141356882.21736

Equilateral Triangle

Length = n
Perimeter 244837302
Area 2.8841198051026E+15
Altitude 70678441.108681

Triangular Pyramid

Length = n
Surface area 2.8841198051026E+15
Volume 6.4062331875585E+22
Height 38472470.34036