81120800 (number)

81120800 is an even 8-digits composite number following 81120799 and preceding 81120801. In scientific notation, it is written as 8.1120800 × 10^7. The sum of its digits is 20. It has a total of 8 prime factors and 48 positive divisors. There are 31392000 positive integers (up to 81120800) that are relatively prime to 81120800.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty thousand eight hundred

Notation

Scientific notation 8.1120800 × 10^7
Engineering notation 8.1120800 × 10^6

Prime Factorization of 81120800

Prime Factorization 2 × 2 × 2 × 2 × 2 × 25 × 31 × 3271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5070050
Product of the distinct prime numbers

The prime factorization of 81120800 is 2 × 2 × 2 × 2 × 2 × 25 × 31 × 3271. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81120800)

Multiplication

n×y
n×2 162241600
n×3 243362400
n×4 324483200
n×5 405604000

Division

n÷y
n÷2 40560400
n÷3 27040266.666667
n÷3 20280200
n÷5 16224160

Exponentiation

ny
n2 6580584192640000
n3 5.3382225417431E+23
n4 4.3304088316423E+31
n5 3.5128622874989E+39

Nth Root

y√n
2√n 9006.7086108078
3√n 432.88985530183
4√n 94.903680702109
5√n 38.179166678696

Divisors of 81120800

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81120799
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81120800 can be divided by 48 positive divisors. The sum of these divisors (counting 81120800) is 1, the average is 0.020833333333333.

Base conversion 81120800

Base System Value
2 Binary 100110101011100111000100000
3 Ternary 12122122100211002
4 Quaternary 10311130320200
5 Quinary 131231331200
6 Senary 12014411132
8 Octal 465347040
10 Decimal 81120800
12 Duodecimal 23200aa8
16 Hexadecimal 4d5ce20
20 Vigesimal 1570200
36 Base36 1cap7k

Cryptographic Hash Functions

md5 140978f7350f6b1b78ff9037ee9e240a
sha1 8bd9777bc645de98dfaafe011b11800395030934
sha256 dba3c92f9294f1840f7eeea62f14cdaed7efb09f94856b20fc8369c8f2298089
sha512 66b4aabb0771d3ca276d1d77fecccfb7d9ea22a0797f1bf2ee382fc780194853cf2779c96811d19029b2c605dbb5a3b6d1774cf01dbb295cc46ea4b8b7a14705
ripemd-160 00fcd0bb99679650de74c0fd2bcea437d93e70c6

81120800 as geometric shapes

Circle

Radius = n
Diameter 162241600
Circumference 509697018.66665
Area 2.0673514955927E+16

Sphere

Radius = n
Volume 2.2360694293823E+24
Surface area 8.2694059823708E+16
Circumference 509697018.66665

Square

Length = n
Perimeter 324483200
Area 6580584192640000
Diagonal 114722135.55056

Cube

Length = n
Surface area 39483505155840000
Volume 5.3382225417431E+23
Space diagonal 140505347.15063

Equilateral Triangle

Length = n
Perimeter 243362400
Area 2.8494765412843E+15
Altitude 70252673.575317

Triangular Pyramid

Length = n
Surface area 2.8494765412843E+15
Volume 6.2911555979157E+22
Height 38240711.850185