81873896 (number)

81873896 is an even 8-digits composite number following 81873895 and preceding 81873897. In scientific notation, it is written as 8.1873896 × 10^7. The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors. There are 36764928 positive integers (up to 81873896) that are relatively prime to 81873896.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-three thousand eight hundred ninety-six

Notation

Scientific notation 8.1873896 × 10^7
Engineering notation 8.1873896 × 10^6

Prime Factorization of 81873896

Prime Factorization 2 × 2 × 2 × 37 × 13 × 21277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20468474
Product of the distinct prime numbers

The prime factorization of 81873896 is 2 × 2 × 2 × 37 × 13 × 21277. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81873896)

Multiplication

n×y
n×2 163747792
n×3 245621688
n×4 327495584
n×5 409369480

Division

n÷y
n÷2 40936948
n÷3 27291298.666667
n÷3 20468474
n÷5 16374779.2

Exponentiation

ny
n2 6703334846218816
n3 5.488281400525E+23
n4 4.4934698060531E+31
n5 3.6789787957994E+39

Nth Root

y√n
2√n 9048.4195305037
3√n 434.22532842462
4√n 95.123180826251
5√n 38.249793194258

Divisors of 81873896

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 -81873895
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 81873896 can be divided by 32 positive divisors. The sum of these divisors (counting 81873896) is 1, the average is 0.03125.

Base conversion 81873896

Base System Value
2 Binary 100111000010100101111101000
3 Ternary 12201001121212112
4 Quaternary 10320110233220
5 Quinary 131424431041
6 Senary 12042501452
8 Octal 470245750
10 Decimal 81873896
12 Duodecimal 23504888
16 Hexadecimal 4e14be8
20 Vigesimal 15be4eg
36 Base36 1cquaw

Cryptographic Hash Functions

md5 82afba9bbb504fd1a14d4814a497ac7a
sha1 fb543581c0fbca851cb49a5c33817691b16a3cbe
sha256 a0a562c02e0135e4f24f4ca33aace62c6809725b4f4c81649b55916567e53125
sha512 8ba4e587fa43b76b197b2b9f8d0b81e77d568b9774664fdd94b472203a6cc6afb369aa5a66d007b6af44b7eadc387472163709d822d39440133113125b8c6cec
ripemd-160 f4c4291ff90f6eb0678279ff197e1538c965a736

81873896 as geometric shapes

Circle

Radius = n
Diameter 163747792
Circumference 514428860.38875
Area 2.1059147507433E+16

Sphere

Radius = n
Volume 2.298925937163E+24
Surface area 8.4236590029734E+16
Circumference 514428860.38875

Square

Length = n
Perimeter 327495584
Area 6703334846218816
Diagonal 115787174.12752

Cube

Length = n
Surface area 40220009077312896
Volume 5.488281400525E+23
Space diagonal 141809747.68561

Equilateral Triangle

Length = n
Perimeter 245621688
Area 2.9026291334495E+15
Altitude 70904873.842805

Triangular Pyramid

Length = n
Surface area 2.9026291334495E+15
Volume 6.468001658952E+22
Height 38595724.709175