81820007 (number)

81820007 is an odd 8-digits composite number following 81820006 and preceding 81820008. In scientific notation, it is written as 8.1820007 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 80582040 positive integers (up to 81820007) that are relatively prime to 81820007.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred twenty thousand seven

Notation

Scientific notation 8.1820007 × 10^7
Engineering notation 8.1820007 × 10^6

Prime Factorization of 81820007

Prime Factorization 103 × 191 × 4159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81820007
Product of the distinct prime numbers

The prime factorization of 81820007 is 103 × 191 × 4159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81820007)

Multiplication

n×y
n×2 163640014
n×3 245460021
n×4 327280028
n×5 409100035

Division

n÷y
n÷2 40910003.5
n÷3 27273335.666667
n÷3 20455001.75
n÷5 16364001.4

Exponentiation

ny
n2 6694513545480049
n3 5.4774514515277E+23
n4 4.4816511610616E+31
n5 3.6668872936962E+39

Nth Root

y√n
2√n 9045.4412274913
3√n 434.13003918243
4√n 95.107524557689
5√n 38.244756702529

Divisors of 81820007

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81820006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81820007 can be divided by 8 positive divisors. The sum of these divisors (counting 81820007) is 1, the average is 0.125.

Base conversion 81820007

Base System Value
2 Binary 100111000000111100101100111
3 Ternary 12200221212221122
4 Quaternary 10320013211213
5 Quinary 131421220012
6 Senary 12041404155
8 Octal 470074547
10 Decimal 81820007
12 Duodecimal 2349965b
16 Hexadecimal 4e07967
20 Vigesimal 15b7a07
36 Base36 1cpopz

Cryptographic Hash Functions

md5 7961e295fb4c751e4e9b63024d059532
sha1 44316b965baaa0266e3510e9f21d6c9df35a7e85
sha256 0a2a2b2c5953dfe2eb821844a2230699bb2a58f1f5a9ac3c4618e0cf920558d4
sha512 cca75574a4718a501fbb36f3fb5a8f16131b69c50c9e49f17fd5af7abf60814f58dc5284ec9e62a451f7840c566ec5e63b1351978469afab88e3cfd8fe2eccf2
ripemd-160 ee21c10c62c216463f77c9759964656d4ec7e329

81820007 as geometric shapes

Circle

Radius = n
Diameter 163640014
Circumference 514090265.81573
Area 2.1031434573837E+16

Sphere

Radius = n
Volume 2.2943894987352E+24
Surface area 8.412573829535E+16
Circumference 514090265.81573

Square

Length = n
Perimeter 327280028
Area 6694513545480049
Diagonal 115710963.57286

Cube

Length = n
Surface area 40167081272880294
Volume 5.4774514515277E+23
Space diagonal 141716409.19964

Equilateral Triangle

Length = n
Perimeter 245460021
Area 2.8988093981824E+15
Altitude 70858204.599821

Triangular Pyramid

Length = n
Surface area 2.8988093981824E+15
Volume 6.4552384416589E+22
Height 38570321.190954