81129600 (number)

81129600 is an even 8-digits composite number following 81129599 and preceding 81129601. In scientific notation, it is written as 8.1129600 × 10^7. The sum of its digits is 27. It has a total of 10 prime factors and 48 positive divisors. There are 21565440 positive integers (up to 81129600) that are relatively prime to 81129600.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-nine thousand six hundred

Notation

Scientific notation 8.1129600 × 10^7
Engineering notation 8.1129600 × 10^6

Prime Factorization of 81129600

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 45 × 45 × 313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 28170
Product of the distinct prime numbers

The prime factorization of 81129600 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 45 × 45 × 313. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 4, 93, 50, 223, 531, 2103, 4451, 53013, 99329, 605906, 738569, 467677, 542720, 74381989, 15178204, 975300135, 164510142, 4894386835, 2597377986

Basic calculations (n = 81129600)

Multiplication

n×y
n×2 162259200
n×3 243388800
n×4 324518400
n×5 405648000

Division

n÷y
n÷2 40564800
n÷3 27043200
n÷3 20282400
n÷5 16225920

Exponentiation

ny
n2 6582011996160000
n3 5.3399600044366E+23
n4 4.3322881917594E+31
n5 3.5147680808216E+39

Nth Root

y√n
2√n 9007.1971223017
3√n 432.90550806079
4√n 94.906254389801
5√n 38.179994979425

Divisors of 81129600

1, 2, 4, 8, 16, 32, 45, 64, 90, 128, 180, 313, 360, 626, 720, 1252, 1440, 2025, 2504, 2880, 4050, 5008, 5760, 8100, 10016, 14085, 16200, 20032, 28170, 32400, 40064, 56340, 64800, 112680, 129600, 225360, 259200, 450720, 633825, 901440, 1267650, 1802880, 2535300, 5070600, 10141200, 20282400, 40564800, 81129600

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 -81129599
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 81129600 can be divided by 48 positive divisors. The sum of these divisors (counting 81129600) is 1, the average is 0.020833333333333.

Base conversion 81129600

Base System Value
2 Binary 100110101011111000010000000
3 Ternary 12122122210220000
4 Quaternary 10311133002000
5 Quinary 131232121400
6 Senary 12014520000
8 Octal 465370200
10 Decimal 81129600
12 Duodecimal 23206000
16 Hexadecimal 4d5f080
20 Vigesimal 1571400
36 Base36 1caw00

Cryptographic Hash Functions

md5 7a41e12d6845ac700f057a5f94e52bf2
sha1 3f5c5478f9603db4134378b8173a73dca3eaa389
sha256 a7d5c1429e11903396bdc795eed38318c0a5be37614c6a61c3a891a56194c93b
sha512 ea89cbd505ddf8d512f804c78f29da058190bb6d4e230dfcde20eea6ce820bb1c6279da339a9f7416899aad9feca021a59609b25d3347f4c3fca7fb37c31040d
ripemd-160 04fc8993e2c4768a8cb1db7c166c9cc27012fec8

81129600 as geometric shapes

Circle

Radius = n
Diameter 162259200
Circumference 509752310.69736
Area 2.0678000532976E+16

Sphere

Radius = n
Volume 2.2367972160535E+24
Surface area 8.2712002131905E+16
Circumference 509752310.69736

Square

Length = n
Perimeter 324518400
Area 6582011996160000
Diagonal 114734580.6299

Cube

Length = n
Surface area 39492071976960000
Volume 5.3399600044366E+23
Space diagonal 140520589.19774

Equilateral Triangle

Length = n
Perimeter 243388800
Area 2.8500947983442E+15
Altitude 70260294.59887

Triangular Pyramid

Length = n
Surface area 2.8500947983442E+15
Volume 6.2932032173368E+22
Height 38244860.209968