81330608 (number)

81330608 is an even 8-digits composite number following 81330607 and preceding 81330609. In scientific notation, it is written as 8.1330608 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 39353280 positive integers (up to 81330608) that are relatively prime to 81330608.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand six hundred eight

Notation

Scientific notation 8.1330608 × 10^7
Engineering notation 8.1330608 × 10^6

Prime Factorization of 81330608

Prime Factorization 2 × 2 × 2 × 2 × 31 × 163973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10166326
Product of the distinct prime numbers

The prime factorization of 81330608 is 2 × 2 × 2 × 2 × 31 × 163973. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 10, 73, 26, 318, 568, 1598, 290, 68241, 82089, 747141, 711266, 9905821, 2842149, 66015909, 3227287, 461579654, 443226094, 8408690720, 6258767605

Basic calculations (n = 81330608)

Multiplication

n×y
n×2 162661216
n×3 243991824
n×4 325322432
n×5 406653040

Division

n÷y
n÷2 40665304
n÷3 27110202.666667
n÷3 20332652
n÷5 16266121.6

Exponentiation

ny
n2 6614667797649664
n3 5.3797495370087E+23
n4 4.3753830073263E+31
n5 3.5585256021872E+39

Nth Root

y√n
2√n 9018.3484075522
3√n 433.26273774361
4√n 94.964985165861
5√n 38.198895331325

Divisors of 81330608

1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163973, 327946, 655892, 1311784, 2623568, 5083163, 10166326, 20332652, 40665304, 81330608

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330607
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330608 can be divided by 20 positive divisors. The sum of these divisors (counting 81330608) is 1, the average is 0.05.

Base conversion 81330608

Base System Value
2 Binary 100110110010000000110110000
3 Ternary 12200001000121202
4 Quaternary 10312100012300
5 Quinary 131310034413
6 Senary 12023110332
8 Octal 466200660
10 Decimal 81330608
12 Duodecimal 232a23a8
16 Hexadecimal 4d901b0
20 Vigesimal 15866a8
36 Base36 1cf73k

Cryptographic Hash Functions

md5 cc97c324f8e7f54c19a9e6e5f1a6980b
sha1 ebca7898ec63d2a20322646458ac67d1395d5a65
sha256 f187f3f7e0a12552fa275be319435f953bc78625ef096bc3a34f49f11048ab3f
sha512 7e2f401ef4cfd75e37532660d1136a40b77ab522fe05269da8d83c5da1bd74945fa44ef705ca074ab425da7bb76024d2cf70322b02b7ddb36a332e4ee5bdfaef
ripemd-160 ed7a7b803d4677e5aa8cedf537693c4e2b56a41c

81330608 as geometric shapes

Circle

Radius = n
Diameter 162661216
Circumference 511015281.20958
Area 2.0780591759033E+16

Sphere

Radius = n
Volume 2.2534642164826E+24
Surface area 8.3122367036133E+16
Circumference 511015281.20958

Square

Length = n
Perimeter 325322432
Area 6614667797649664
Diagonal 115018848.86965

Cube

Length = n
Surface area 39688006785897984
Volume 5.3797495370087E+23
Space diagonal 140868745.26647

Equilateral Triangle

Length = n
Perimeter 243991824
Area 2.8642351751797E+15
Altitude 70434372.633234

Triangular Pyramid

Length = n
Surface area 2.8642351751797E+15
Volume 6.3400956311734E+22
Height 38339616.289883