81550109 (number)

81550109 is an odd 8-digits composite number following 81550108 and preceding 81550110. In scientific notation, it is written as 8.1550109 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 74727360 positive integers (up to 81550109) that are relatively prime to 81550109.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty thousand one hundred nine

Notation

Scientific notation 8.1550109 × 10^7
Engineering notation 8.1550109 × 10^6

Prime Factorization of 81550109

Prime Factorization 37 × 19 × 373 × 311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81550109
Product of the distinct prime numbers

The prime factorization of 81550109 is 37 × 19 × 373 × 311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 54, 79, 560, 202, 9032, 4641, 35419, 61059, 123679, 12180, 8460738, 9676556, 44895257, 50451130, 870624398, 753970639, 7785366382, 6408509734

Basic calculations (n = 81550109)

Multiplication

n×y
n×2 163100218
n×3 244650327
n×4 326200436
n×5 407750545

Division

n÷y
n÷2 40775054.5
n÷3 27183369.666667
n÷3 20387527.25
n÷5 16310021.8

Exponentiation

ny
n2 6650420277911881
n3 5.4234249855952E+23
n4 4.4228089872862E+31
n5 3.6068055499937E+39

Nth Root

y√n
2√n 9030.5098970102
3√n 433.65216135201
4√n 95.028995033149
5√n 38.219491903434

Divisors of 81550109

1, 19, 37, 311, 373, 703, 5909, 7087, 11507, 13801, 116003, 218633, 262219, 2204057, 4292111, 81550109

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 -81550108
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 81550109 can be divided by 16 positive divisors. The sum of these divisors (counting 81550109) is 1, the average is 0.0625.

Base conversion 81550109

Base System Value
2 Binary 100110111000101101100011101
3 Ternary 12200110011201102
4 Quaternary 10313011230131
5 Quinary 131334100414
6 Senary 12031522445
8 Octal 467055435
10 Decimal 81550109
12 Duodecimal 23389425
16 Hexadecimal 4dc5b1d
20 Vigesimal 159df59
36 Base36 1cjwgt

Cryptographic Hash Functions

md5 5012ad9222ea0e6fa74b48d39d7730d3
sha1 aaeffe2ef184134a10a5424ffcfa0e9498129a0f
sha256 1ea26b99876502c29f3a5c42bc6e039b1f479047be21b9c9a050618f389ed88f
sha512 b1c4d4ddb0af8c44bf478724167c6be4be27219defab26b9c981104f34df9915617504493c5be50ac0fe72376726d6c7a6fea5903c55f1f7e784c43a706d9a2b
ripemd-160 c89a0ca8c3c63a2c3826009fe3cc53da2fa4639c

81550109 as geometric shapes

Circle

Radius = n
Diameter 163100218
Circumference 512394446.66769
Area 2.0892911488373E+16

Sphere

Radius = n
Volume 2.2717589456055E+24
Surface area 8.357164595349E+16
Circumference 512394446.66769

Square

Length = n
Perimeter 326200436
Area 6650420277911881
Diagonal 115329270.1608

Cube

Length = n
Surface area 39902521667471286
Volume 5.4234249855952E+23
Space diagonal 141248932.15078

Equilateral Triangle

Length = n
Perimeter 244650327
Area 2.8797164532574E+15
Altitude 70624466.07539

Triangular Pyramid

Length = n
Surface area 2.8797164532574E+15
Volume 6.3915676409516E+22
Height 38443090.053601