81636900 (number)

81636900 is an even 8-digits composite number following 81636899 and preceding 81636901. In scientific notation, it is written as 8.1636900 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 21686400 positive integers (up to 81636900) that are relatively prime to 81636900.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1636900 × 10^7
Engineering notation 8.1636900 × 10^6

Prime Factorization of 81636900

Prime Factorization 2 × 2 × 15 × 5 × 503 × 541

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40818450
Product of the distinct prime numbers

The prime factorization of 81636900 is 2 × 2 × 15 × 5 × 503 × 541. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 36, 68, 528, 330, 6408, 1331, 79274, 6823, 811403, 499604, 1667915, 7840569, 75210810, 90122011, 739900450, 15046329, 2410351423, 7152567518

Basic calculations (n = 81636900)

Multiplication

n×y
n×2 163273800
n×3 244910700
n×4 326547600
n×5 408184500

Division

n÷y
n÷2 40818450
n÷3 27212300
n÷3 20409225
n÷5 16327380

Exponentiation

ny
n2 6664583441610000
n3 5.4407593196437E+23
n4 4.4416672450182E+31
n5 3.6260394471483E+39

Nth Root

y√n
2√n 9035.314050989
3√n 433.80594721089
4√n 95.054268978248
5√n 38.227623582838

Divisors of 81636900

1, 2, 4, 5, 10, 15, 20, 30, 60, 75, 150, 300, 503, 541, 1006, 1082, 2012, 2164, 2515, 2705, 5030, 5410, 7545, 8115, 10060, 10820, 15090, 16230, 30180, 32460, 37725, 40575, 75450, 81150, 150900, 162300, 272123, 544246, 1088492, 1360615, 2721230, 4081845, 5442460, 8163690, 16327380, 20409225, 40818450, 81636900

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 -81636899
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 81636900 can be divided by 48 positive divisors. The sum of these divisors (counting 81636900) is 1, the average is 0.020833333333333.

Base conversion 81636900

Base System Value
2 Binary 100110111011010111000100100
3 Ternary 12200121120202220
4 Quaternary 10313122320210
5 Quinary 131344340100
6 Senary 12033432340
8 Octal 467327044
10 Decimal 81636900
12 Duodecimal 2340b6b0
16 Hexadecimal 4ddae24
20 Vigesimal 15a4c50
36 Base36 1clrfo

Cryptographic Hash Functions

md5 9f134af4dc47ccb166961f35797e01a2
sha1 2e9d7cb8e48241d6e8ebf02315c54d14ba74c48e
sha256 1b37a09b88ffea6d66923455270bb4070ceea6e79523307d890feba04441cb89
sha512 434809a3ffc7f973c7885dce50701b4af642f57b076855fbd9f6dd665cab0abf0c048cbbd4ee936156fdc45c2ad4047755b1927f796bcec91be7a05a3c4a7dbc
ripemd-160 dfd86af74e4b9f324e749743d7aa640d7170736d

81636900 as geometric shapes

Circle

Radius = n
Diameter 163273800
Circumference 512939770.60369
Area 2.0937406379398E+16

Sphere

Radius = n
Volume 2.2790199344724E+24
Surface area 8.3749625517593E+16
Circumference 512939770.60369

Square

Length = n
Perimeter 326547600
Area 6664583441610000
Diagonal 115452011.1701

Cube

Length = n
Surface area 39987500649660000
Volume 5.4407593196437E+23
Space diagonal 141399258.57242

Equilateral Triangle

Length = n
Perimeter 244910700
Area 2.8858492830377E+15
Altitude 70699629.28621

Triangular Pyramid

Length = n
Surface area 2.8858492830377E+15
Volume 6.41199634954E+22
Height 38484003.723365