81749050 (number)

81749050 is an even 8-digits composite number following 81749049 and preceding 81749051. In scientific notation, it is written as 8.1749050 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 32250240 positive integers (up to 81749050) that are relatively prime to 81749050.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749050 × 10^7
Engineering notation 8.1749050 × 10^6

Prime Factorization of 81749050

Prime Factorization 2 × 365 × 5 × 22397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81749050
Product of the distinct prime numbers

The prime factorization of 81749050 is 2 × 365 × 5 × 22397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 50, 56, 555, 44, 6076, 9148, 73136, 2627, 286583, 297900, 8290863, 2619473, 12936806, 60228184, 294116979, 546915027, 4217085591, 2545144970

Basic calculations (n = 81749050)

Multiplication

n×y
n×2 163498100
n×3 245247150
n×4 326996200
n×5 408745250

Division

n÷y
n÷2 40874525
n÷3 27249683.333333
n÷3 20437262.5
n÷5 16349810

Exponentiation

ny
n2 6682907175902500
n3 5.4632131286821E+23
n4 4.4661248321729E+31
n5 3.6510146221155E+39

Nth Root

y√n
2√n 9041.5181247399
3√n 434.00450560564
4√n 95.086897755368
5√n 38.238120978172

Divisors of 81749050

1, 2, 5, 10, 365, 730, 1825, 3650, 22397, 44794, 111985, 223970, 8174905, 16349810, 40874525, 81749050

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 -81749049
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 81749050 can be divided by 16 positive divisors. The sum of these divisors (counting 81749050) is 1, the average is 0.0625.

Base conversion 81749050

Base System Value
2 Binary 100110111110110010000111010
3 Ternary 12200211021121121
4 Quaternary 10313312100322
5 Quinary 131411432200
6 Senary 12040055454
8 Octal 467662072
10 Decimal 81749050
12 Duodecimal 2346458a
16 Hexadecimal 4df643a
20 Vigesimal 15aicca
36 Base36 1co5yy

Cryptographic Hash Functions

md5 63429dfa2e142a36cc27d376899004aa
sha1 b0610cf163d6408d76b7dd4c46820c05e48ba1be
sha256 ec178d3615e663eb6e633afcba7c36bcc8777cd4d9cb5ba25472216e17670fe5
sha512 769d83d37576d5888bb0b83fa937b262e912295f3d65a9e5a06486da178e7699e1da43ed268db9e65791007fcf8ae9795f5fb7c86bca6b4a3131340a8bb04a83
ripemd-160 d346422fe054e790255515fae7715ae448357414

81749050 as geometric shapes

Circle

Radius = n
Diameter 163498100
Circumference 513644429.83589
Area 2.0994972088438E+16

Sphere

Radius = n
Volume 2.2884253640084E+24
Surface area 8.3979888353751E+16
Circumference 513644429.83589

Square

Length = n
Perimeter 326996200
Area 6682907175902500
Diagonal 115610615.22112

Cube

Length = n
Surface area 40097443055415000
Volume 5.4632131286821E+23
Space diagonal 141593508.07049

Equilateral Triangle

Length = n
Perimeter 245247150
Area 2.8937836927324E+15
Altitude 70796754.035244

Triangular Pyramid

Length = n
Surface area 2.8937836927324E+15
Volume 6.4384584172642E+22
Height 38536871.740372