81749300 (number)

81749300 is an even 8-digits composite number following 81749299 and preceding 81749301. In scientific notation, it is written as 8.1749300 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 32509920 positive integers (up to 81749300) that are relatively prime to 81749300.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-nine thousand three hundred

Notation

Scientific notation 8.1749300 × 10^7
Engineering notation 8.1749300 × 10^6

Prime Factorization of 81749300

Prime Factorization 2 × 2 × 25 × 179 × 4567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40874650
Product of the distinct prime numbers

The prime factorization of 81749300 is 2 × 2 × 25 × 179 × 4567. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749300)

Multiplication

n×y
n×2 163498600
n×3 245247900
n×4 326997200
n×5 408746500

Division

n÷y
n÷2 40874650
n÷3 27249766.666667
n÷3 20437325
n÷5 16349860

Exponentiation

ny
n2 6682948050490000
n3 5.4632632506392E+23
n4 4.4661794645548E+31
n5 3.6510704490173E+39

Nth Root

y√n
2√n 9041.5319498412
3√n 434.00494802063
4√n 95.086970452535
5√n 38.238144365645

Divisors of 81749300

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81749299
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749300 can be divided by 24 positive divisors. The sum of these divisors (counting 81749300) is 1, the average is 0.041666666666667.

Base conversion 81749300

Base System Value
2 Binary 100110111110110010100110100
3 Ternary 12200211021221212
4 Quaternary 10313312110310
5 Quinary 131411434200
6 Senary 12040100552
8 Octal 467662464
10 Decimal 81749300
12 Duodecimal 23464758
16 Hexadecimal 4df6534
20 Vigesimal 15aid50
36 Base36 1co65w

Cryptographic Hash Functions

md5 158c2ca426092394b9e5b1ac5cf9581b
sha1 22b7f7de7f2e1f665a468b623233c36b1f023dc4
sha256 f2b335e406278e44b63833bd61a60135690d826d57e0745440d360bde83e9636
sha512 e514821662e1da5cbfdc2f123b16aa51bed857a2bc0bf03619743402515781a20cad78816978b8da6c51417c9c7647bcd6fce7bf8ce7a86448eb681a222ce37e
ripemd-160 86c38b36c6bdc2518a6a73a604549ade08c6ce0c

81749300 as geometric shapes

Circle

Radius = n
Diameter 163498600
Circumference 513646000.63222
Area 2.0995100499742E+16

Sphere

Radius = n
Volume 2.2884463590447E+24
Surface area 8.3980401998966E+16
Circumference 513646000.63222

Square

Length = n
Perimeter 326997200
Area 6682948050490000
Diagonal 115610968.77451

Cube

Length = n
Surface area 40097688302940000
Volume 5.4632632506392E+23
Space diagonal 141593941.08319

Equilateral Triangle

Length = n
Perimeter 245247900
Area 2.893801391948E+15
Altitude 70796970.541595

Triangular Pyramid

Length = n
Surface area 2.893801391948E+15
Volume 6.4385174865571E+22
Height 38536989.591502