81753290 (number)

81753290 is an even 8-digits composite number following 81753289 and preceding 81753291. In scientific notation, it is written as 8.1753290 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 32674560 positive integers (up to 81753290) that are relatively prime to 81753290.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty-three thousand two hundred ninety

Notation

Scientific notation 8.1753290 × 10^7
Engineering notation 8.1753290 × 10^6

Prime Factorization of 81753290

Prime Factorization 2 × 5 × 1609 × 5081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81753290
Product of the distinct prime numbers

The prime factorization of 81753290 is 2 × 5 × 1609 × 5081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 21, 39, 533, 990, 456, 1601, 20616, 22784, 918439, 246591, 6172322, 4726007, 1666299, 51662767, 342177628, 329734947, 5325709148, 4763693207

Basic calculations (n = 81753290)

Multiplication

n×y
n×2 163506580
n×3 245259870
n×4 327013160
n×5 408766450

Division

n÷y
n÷2 40876645
n÷3 27251096.666667
n÷3 20438322.5
n÷5 16350658

Exponentiation

ny
n2 6683600425824100
n3 5.4640632385652E+23
n4 4.4670514652076E+31
n5 3.6519615388004E+39

Nth Root

y√n
2√n 9041.7525955978
3√n 434.01200884183
4√n 95.088130676745
5√n 38.238517621973

Divisors of 81753290

1, 2, 5, 10, 1609, 3218, 5081, 8045, 10162, 16090, 25405, 50810, 8175329, 16350658, 40876645, 81753290

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 -81753289
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 81753290 can be divided by 16 positive divisors. The sum of these divisors (counting 81753290) is 1, the average is 0.0625.

Base conversion 81753290

Base System Value
2 Binary 100110111110111010011001010
3 Ternary 12200211111102122
4 Quaternary 10313313103022
5 Quinary 131412101130
6 Senary 12040131242
8 Octal 467672312
10 Decimal 81753290
12 Duodecimal 23466b22
16 Hexadecimal 4df74ca
20 Vigesimal 15aj34a
36 Base36 1co98q

Cryptographic Hash Functions

md5 59c8e10771a56289e4bd8fa8b8f73a1e
sha1 bda23c736815c5cb6062485b12812cad6fd68ac6
sha256 57f145ad40bad155856328578adb59170b1e7e7df6b34ad6e80bab4a4ccc55a9
sha512 63df7ca0336cb3da88badcf42ccd83f9bdcf4bcd31ebaf758a5a8796c1e7e072102e967c5301b23c544ba67a4ec658a42ce3fbae52be3b75321d1ab53fa3679d
ripemd-160 af80b9d03b2be51c660a3e34ad88dd474ec40a1d

81753290 as geometric shapes

Circle

Radius = n
Diameter 163506580
Circumference 513671070.54159
Area 2.0997149997299E+16

Sphere

Radius = n
Volume 2.2887814572035E+24
Surface area 8.3988599989194E+16
Circumference 513671070.54159

Square

Length = n
Perimeter 327013160
Area 6683600425824100
Diagonal 115616611.48662

Cube

Length = n
Surface area 40101602554944600
Volume 5.4640632385652E+23
Space diagonal 141600851.96591

Equilateral Triangle

Length = n
Perimeter 245259870
Area 2.8940838787541E+15
Altitude 70800425.982956

Triangular Pyramid

Length = n
Surface area 2.8940838787541E+15
Volume 6.4394602813693E+22
Height 38538870.49554