81620004 (number)

81620004 is an even 8-digits composite number following 81620003 and preceding 81620005. In scientific notation, it is written as 8.1620004 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 27185760 positive integers (up to 81620004) that are relatively prime to 81620004.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred twenty thousand four

Notation

Scientific notation 8.1620004 × 10^7
Engineering notation 8.1620004 × 10^6

Prime Factorization of 81620004

Prime Factorization 2 × 2 × 3 × 2437 × 2791

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40810002
Product of the distinct prime numbers

The prime factorization of 81620004 is 2 × 2 × 3 × 2437 × 2791. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81620004)

Multiplication

n×y
n×2 163240008
n×3 244860012
n×4 326480016
n×5 408100020

Division

n÷y
n÷2 40810002
n÷3 27206668
n÷3 20405001
n÷5 16324000.8

Exponentiation

ny
n2 6661825052960016
n3 5.437381874699E+23
n4 4.4379913036246E+31
n5 3.622288679538E+39

Nth Root

y√n
2√n 9034.3790046688
3√n 433.77601756307
4√n 95.049350364265
5√n 38.226041094023

Divisors of 81620004

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 -81620003
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 81620004 can be divided by 24 positive divisors. The sum of these divisors (counting 81620004) is 1, the average is 0.041666666666667.

Base conversion 81620004

Base System Value
2 Binary 100110111010110110000100100
3 Ternary 12200120201121010
4 Quaternary 10313112300210
5 Quinary 131343320004
6 Senary 12033222220
8 Octal 467266044
10 Decimal 81620004
12 Duodecimal 23401970
16 Hexadecimal 4dd6c24
20 Vigesimal 15a2a04
36 Base36 1cleec

Cryptographic Hash Functions

md5 91faee83900815ab2645d6ac7c0716ef
sha1 a1a122bee27f83539eb0a4bebe8bfe248ef0b826
sha256 7ca4f41a9c7b625f7fd5c9312595572c9a137ac0f6c0ae5e87f5d553f7d1934a
sha512 ca5e98311200129b9b613a7210158f7f8bde183d075ce8b80f0d1a5211745b4fece54820d981627329818a5e5e2608443cae3dac3c59fabea6404f01d9491bc0
ripemd-160 73e5c9e1fab5f911174efb001841f3129ee1fcac

81620004 as geometric shapes

Circle

Radius = n
Diameter 163240008
Circumference 512833609.90474
Area 2.092874064588E+16

Sphere

Radius = n
Volume 2.2776051936422E+24
Surface area 8.3714962583518E+16
Circumference 512833609.90474

Square

Length = n
Perimeter 326480016
Area 6661825052960016
Diagonal 115428116.61775

Cube

Length = n
Surface area 39970950317760096
Volume 5.437381874699E+23
Space diagonal 141369993.84197

Equilateral Triangle

Length = n
Perimeter 244860012
Area 2.8846548657155E+15
Altitude 70684996.920987

Triangular Pyramid

Length = n
Surface area 2.8846548657155E+15
Volume 6.4080159925008E+22
Height 38476038.872582