81874430 (number)

81874430 is an even 8-digits composite number following 81874429 and preceding 81874431. In scientific notation, it is written as 8.1874430 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 29772480 positive integers (up to 81874430) that are relatively prime to 81874430.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-four thousand four hundred thirty

Notation

Scientific notation 8.1874430 × 10^7
Engineering notation 8.1874430 × 10^6

Prime Factorization of 81874430

Prime Factorization 2 × 5 × 11 × 744313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81874430
Product of the distinct prime numbers

The prime factorization of 81874430 is 2 × 5 × 11 × 744313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 62, 77, 590, 182, 9188, 2473, 5328, 67273, 907990, 951095, 3097588, 3544856, 62807571, 50096071, 516808878, 367868076, 7432380019, 467347717

Basic calculations (n = 81874430)

Multiplication

n×y
n×2 163748860
n×3 245623290
n×4 327497720
n×5 409372150

Division

n÷y
n÷2 40937215
n÷3 27291476.666667
n÷3 20468607.5
n÷5 16374886

Exponentiation

ny
n2 6703422287824900
n3 5.4883887886496E+23
n4 4.4935870368908E+31
n5 3.6790987730082E+39

Nth Root

y√n
2√n 9048.4490383712
3√n 434.22627246105
4√n 95.123335929577
5√n 38.249843088882

Divisors of 81874430

1, 2, 5, 10, 11, 22, 55, 110, 744313, 1488626, 3721565, 7443130, 8187443, 16374886, 40937215, 81874430

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 -81874429
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 81874430 can be divided by 16 positive divisors. The sum of these divisors (counting 81874430) is 1, the average is 0.0625.

Base conversion 81874430

Base System Value
2 Binary 100111000010100110111111110
3 Ternary 12201001122121022
4 Quaternary 10320110313332
5 Quinary 131424440210
6 Senary 12042504142
8 Octal 470246776
10 Decimal 81874430
12 Duodecimal 23505052
16 Hexadecimal 4e14dfe
20 Vigesimal 15be61a
36 Base36 1cqupq

Cryptographic Hash Functions

md5 af496186ef13ea7dbdbfe2cf078af878
sha1 28bc8471b6502fa52f59ade730837bff64936887
sha256 bcb9160e909fef1e3844b91e7c92e09ef45b701a7697eda69c20614f8ee42333
sha512 a0b36ae6f7390077ad24e3dcc2497aba59080ed765eeff6b44522857e3146799cec8585f2d3178744aabf2b6cf2f10356655f925709ecf49ba7f34cbb352cd77
ripemd-160 4e835e9232a18843ca1f55cf15997eab3123ef38

81874430 as geometric shapes

Circle

Radius = n
Diameter 163748860
Circumference 514432215.6097
Area 2.1059422213341E+16

Sphere

Radius = n
Volume 2.2989709197955E+24
Surface area 8.4237688853363E+16
Circumference 514432215.6097

Square

Length = n
Perimeter 327497720
Area 6703422287824900
Diagonal 115787929.31757

Cube

Length = n
Surface area 40220533726949400
Volume 5.4883887886496E+23
Space diagonal 141810672.60074

Equilateral Triangle

Length = n
Perimeter 245623290
Area 2.9026669967756E+15
Altitude 70905336.300371

Triangular Pyramid

Length = n
Surface area 2.9026669967756E+15
Volume 6.4681282170706E+22
Height 38595976.439189