81220004 (number)

81220004 is an even 8-digits composite number following 81220003 and preceding 81220005. In scientific notation, it is written as 8.1220004 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 40500384 positive integers (up to 81220004) that are relatively prime to 81220004.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred twenty thousand four

Notation

Scientific notation 8.1220004 × 10^7
Engineering notation 8.1220004 × 10^6

Prime Factorization of 81220004

Prime Factorization 2 × 2 × 373 × 54437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40610002
Product of the distinct prime numbers

The prime factorization of 81220004 is 2 × 2 × 373 × 54437. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81220004)

Multiplication

n×y
n×2 162440008
n×3 243660012
n×4 324880016
n×5 406100020

Division

n÷y
n÷2 40610002
n÷3 27073334.666667
n÷3 20305001
n÷5 16244000.8

Exponentiation

ny
n2 6596689049760016
n3 5.3578311100826E+23
n4 4.3516306419224E+31
n5 3.5343945814346E+39

Nth Root

y√n
2√n 9012.2141563547
3√n 433.06624619573
4√n 94.932682235122
5√n 38.1885001041

Divisors of 81220004

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81220003
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81220004 can be divided by 12 positive divisors. The sum of these divisors (counting 81220004) is 1, the average is 0.083333333333333.

Base conversion 81220004

Base System Value
2 Binary 100110101110101000110100100
3 Ternary 12122211101220022
4 Quaternary 10311311012210
5 Quinary 131243020004
6 Senary 12020454312
8 Octal 465650644
10 Decimal 81220004
12 Duodecimal 2324a398
16 Hexadecimal 4d751a4
20 Vigesimal 157ca04
36 Base36 1cctr8

Cryptographic Hash Functions

md5 8be0915c1ca39190e9a8bcd3c12e7d35
sha1 f1378eca793fc91a240be6e0337c5000670a2283
sha256 c9f15f5fd883f3ef9f496bab55543dfbe980413eed4ca15ea586d9956a05f328
sha512 5e9cccb376d03a15f8d8b48be44352841d8cfb4dc67d10ca622c2dfc639bf410b607fd4468271e5d233afa49089467a52770a045f181334161ad097c5ddec7c3
ripemd-160 491623f90797ff356f8c94fda0c2f024d0a97682

81220004 as geometric shapes

Circle

Radius = n
Diameter 162440008
Circumference 510320335.78187
Area 2.0724109856742E+16

Sphere

Radius = n
Volume 2.2442830472814E+24
Surface area 8.2896439426969E+16
Circumference 510320335.78187

Square

Length = n
Perimeter 324880016
Area 6596689049760016
Diagonal 114862431.1928

Cube

Length = n
Surface area 39580134298560096
Volume 5.3578311100826E+23
Space diagonal 140677173.51895

Equilateral Triangle

Length = n
Perimeter 243660012
Area 2.8564501489794E+15
Altitude 70338586.759474

Triangular Pyramid

Length = n
Surface area 2.8564501489794E+15
Volume 6.3142645173195E+22
Height 38287477.064266