81820004 (number)

81820004 is an even 8-digits composite number following 81820003 and preceding 81820005. In scientific notation, it is written as 8.1820004 × 10^7. The sum of its digits is 23. It has a total of 7 prime factors and 72 positive divisors. There are 32768064 positive integers (up to 81820004) that are relatively prime to 81820004.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred twenty thousand four

Notation

Scientific notation 8.1820004 × 10^7
Engineering notation 8.1820004 × 10^6

Prime Factorization of 81820004

Prime Factorization 2 × 2 × 7 × 173 × 7 × 19 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5844286
Product of the distinct prime numbers

The prime factorization of 81820004 is 2 × 2 × 7 × 173 × 7 × 19 × 127. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81820004)

Multiplication

n×y
n×2 163640008
n×3 245460012
n×4 327280016
n×5 409100020

Division

n÷y
n÷2 40910002
n÷3 27273334.666667
n÷3 20455001
n÷5 16364000.8

Exponentiation

ny
n2 6694513054560016
n3 5.4774508490215E+23
n4 4.4816505037674E+31
n5 3.6668866214485E+39

Nth Root

y√n
2√n 9045.4410616619
3√n 434.13003387651
4√n 95.107523685889
5√n 38.244756422074

Divisors of 81820004

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81820003
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81820004 can be divided by 72 positive divisors. The sum of these divisors (counting 81820004) is 1, the average is 0.013888888888889.

Base conversion 81820004

Base System Value
2 Binary 100111000000111100101100100
3 Ternary 12200221212221112
4 Quaternary 10320013211210
5 Quinary 131421220004
6 Senary 12041404152
8 Octal 470074544
10 Decimal 81820004
12 Duodecimal 23499658
16 Hexadecimal 4e07964
20 Vigesimal 15b7a04
36 Base36 1cpopw

Cryptographic Hash Functions

md5 82140d069c63587df608187d4aefc240
sha1 a3a74d114c28d0fe866c1716d44c9317bff8b505
sha256 bde276647fff9dbc8b9f1d6c05adbc4ce9540587b5f2915791c707eb70f360c7
sha512 1846b886bf15c6707368470d08bdc750246cd594bd3b1190e63b5e3964017a4a0cf7e4af648b015a0f746a238d4b1f704a2248b93c95fc611589821ce4ef9551
ripemd-160 ae3246588e60f1bb551db6338cf5a2e97740c944

81820004 as geometric shapes

Circle

Radius = n
Diameter 163640008
Circumference 514090246.96617
Area 2.1031433031567E+16

Sphere

Radius = n
Volume 2.294389246358E+24
Surface area 8.4125732126267E+16
Circumference 514090246.96617

Square

Length = n
Perimeter 327280016
Area 6694513054560016
Diagonal 115710959.33022

Cube

Length = n
Surface area 40167078327360096
Volume 5.4774508490215E+23
Space diagonal 141716404.00349

Equilateral Triangle

Length = n
Perimeter 245460012
Area 2.8988091856078E+15
Altitude 70858202.001744

Triangular Pyramid

Length = n
Surface area 2.8988091856078E+15
Volume 6.4552377315986E+22
Height 38570319.77674