81103430 (number)

81103430 is an even 8-digits composite number following 81103429 and preceding 81103431. In scientific notation, it is written as 8.1103430 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 29478400 positive integers (up to 81103430) that are relatively prime to 81103430.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand four hundred thirty

Notation

Scientific notation 8.1103430 × 10^7
Engineering notation 8.1103430 × 10^6

Prime Factorization of 81103430

Prime Factorization 2 × 5 × 17 × 29 × 16451

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81103430
Product of the distinct prime numbers

The prime factorization of 81103430 is 2 × 5 × 17 × 29 × 16451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81103430)

Multiplication

n×y
n×2 162206860
n×3 243310290
n×4 324413720
n×5 405517150

Division

n÷y
n÷2 40551715
n÷3 27034476.666667
n÷3 20275857.5
n÷5 16220686

Exponentiation

ny
n2 6577766357764900
n3 5.3347941335334E+23
n4 4.3267010257344E+31
n5 3.5091029377158E+39

Nth Root

y√n
2√n 9005.7442779595
3√n 432.85895556736
4√n 94.898599978922
5√n 38.177531515006

Divisors of 81103430

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81103429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81103430 can be divided by 32 positive divisors. The sum of these divisors (counting 81103430) is 1, the average is 0.03125.

Base conversion 81103430

Base System Value
2 Binary 100110101011000101001000110
3 Ternary 12122121110222202
4 Quaternary 10311120221012
5 Quinary 131230302210
6 Senary 12014154502
8 Octal 465305106
10 Decimal 81103430
12 Duodecimal 231b2a32
16 Hexadecimal 4d58a46
20 Vigesimal 156hiba
36 Base36 1cabt2

Cryptographic Hash Functions

md5 a12a75ef76c36fdc18d348f8930a8791
sha1 d07cec79cc7367d7c53b15d0966198eb9d55a0bc
sha256 a7013b40bb393f15c766c02b94b371db8fb913aa9527b25143097b86cae15e77
sha512 4c8a0470c5c3b660cf31888c83c1e00aa19646cf9dc46ad2eaddafbf07726693b6071d854d39be27035daebbff2b5c70a9b29ec403dc6fa12723457956ed56d5
ripemd-160 5cfa944cb7f3af15c3fe58b84d67d983d6191363

81103430 as geometric shapes

Circle

Radius = n
Diameter 162206860
Circumference 509587879.73787
Area 2.0664662466584E+16

Sphere

Radius = n
Volume 2.2346333411097E+24
Surface area 8.2658649866337E+16
Circumference 509587879.73787

Square

Length = n
Perimeter 324413720
Area 6577766357764900
Diagonal 114697570.66098

Cube

Length = n
Surface area 39466598146589400
Volume 5.3347941335334E+23
Space diagonal 140475261.42811

Equilateral Triangle

Length = n
Perimeter 243310290
Area 2.8482563829915E+15
Altitude 70237630.714053

Triangular Pyramid

Length = n
Surface area 2.8482563829915E+15
Volume 6.2871151800928E+22
Height 38232523.553659