81103555 (number)

81103555 is an odd 8-digits composite number following 81103554 and preceding 81103556. In scientific notation, it is written as 8.1103555 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 59666688 positive integers (up to 81103555) that are relatively prime to 81103555.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1103555 × 10^7
Engineering notation 8.1103555 × 10^6

Prime Factorization of 81103555

Prime Factorization 5 × 13 × 283 × 4409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81103555
Product of the distinct prime numbers

The prime factorization of 81103555 is 5 × 13 × 283 × 4409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 25, 59, 543, 791, 8821, 2009, 27183, 39447, 530187, 835074, 2232785, 7108433, 33097232, 7348708, 54285623, 95873633, 1771456842, 3444368656

Basic calculations (n = 81103555)

Multiplication

n×y
n×2 162207110
n×3 243310665
n×4 324414220
n×5 405517775

Division

n÷y
n÷2 40551777.5
n÷3 27034518.333333
n÷3 20275888.75
n÷5 16220711

Exponentiation

ny
n2 6577786633638025
n3 5.3348188001953E+23
n4 4.3267276997667E+31
n5 3.5091299796805E+39

Nth Root

y√n
2√n 9005.7512179718
3√n 432.85917794736
4√n 94.898636544324
5√n 38.177543283161

Divisors of 81103555

1, 5, 13, 65, 283, 1415, 3679, 4409, 18395, 22045, 57317, 286585, 1247747, 6238735, 16220711, 81103555

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 -81103554
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 81103555 can be divided by 16 positive divisors. The sum of these divisors (counting 81103555) is 1, the average is 0.0625.

Base conversion 81103555

Base System Value
2 Binary 100110101011000101011000011
3 Ternary 12122121111011101
4 Quaternary 10311120223003
5 Quinary 131230303210
6 Senary 12014155231
8 Octal 465305303
10 Decimal 81103555
12 Duodecimal 231b2b17
16 Hexadecimal 4d58ac3
20 Vigesimal 156hihf
36 Base36 1cabwj

Cryptographic Hash Functions

md5 1b63dca90977803024e2b694fbcdfb03
sha1 59e4d6b8a9b1f651bd14ff1b95fd84f9de7e7551
sha256 355d2f277f9ea046a5f4b99d4497b4082cd25060a2a6fad1161a65e4b20667f9
sha512 230b7b724200e3c91776cc83e08261668c185a67e73945d6289175c070fe91d73d50c60e1e4521daf8e8f8121063ad0d28ddcf6e8fff39900af8e02d4a3de5a7
ripemd-160 b123675f407bab735a36961f667a6d96690f3612

81103555 as geometric shapes

Circle

Radius = n
Diameter 162207110
Circumference 509588665.13603
Area 2.0664726165118E+16

Sphere

Radius = n
Volume 2.2346436734568E+24
Surface area 8.2658904660473E+16
Circumference 509588665.13603

Square

Length = n
Perimeter 324414220
Area 6577786633638025
Diagonal 114697747.43767

Cube

Length = n
Surface area 39466719801828150
Volume 5.3348188001953E+23
Space diagonal 140475477.93446

Equilateral Triangle

Length = n
Perimeter 243310665
Area 2.8482651627021E+15
Altitude 70237738.967228

Triangular Pyramid

Length = n
Surface area 2.8482651627021E+15
Volume 6.2871442500326E+22
Height 38232582.479224