80821865 (number)

80821865 is an odd 8-digits composite number following 80821864 and preceding 80821866. In scientific notation, it is written as 8.0821865 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 62484480 positive integers (up to 80821865) that are relatively prime to 80821865.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand eight hundred sixty-five

Notation

Scientific notation 8.0821865 × 10^7
Engineering notation 8.0821865 × 10^6

Prime Factorization of 80821865

Prime Factorization 5 × 41 × 109 × 3617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80821865
Product of the distinct prime numbers

The prime factorization of 80821865 is 5 × 41 × 109 × 3617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821865)

Multiplication

n×y
n×2 161643730
n×3 242465595
n×4 323287460
n×5 404109325

Division

n÷y
n÷2 40410932.5
n÷3 26940621.666667
n÷3 20205466.25
n÷5 16164373

Exponentiation

ny
n2 6532173862078225
n3 5.2794247403741E+23
n4 4.2669295364418E+31
n5 3.4486120295881E+39

Nth Root

y√n
2√n 8990.0981640914
3√n 432.35745912512
4√n 94.816128185512
5√n 38.150986607369

Divisors of 80821865

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80821864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80821865 can be divided by 16 positive divisors. The sum of these divisors (counting 80821865) is 1, the average is 0.0625.

Base conversion 80821865

Base System Value
2 Binary 100110100010011111001101001
3 Ternary 12122002011202102
4 Quaternary 10310103321221
5 Quinary 131142244430
6 Senary 12004143145
8 Octal 464237151
10 Decimal 80821865
12 Duodecimal 23097ab5
16 Hexadecimal 4d13e69
20 Vigesimal 1552ed5
36 Base36 1c4ajt

Cryptographic Hash Functions

md5 1108183cbdf28ad56343c808aa827083
sha1 fcd5eb8b64f866ec12c4d342e247c6dbb1032bb7
sha256 623c60c2255af56cb715ec09837e0c3b5139053ad6f4bac29c0cedbf6e212d86
sha512 07819b016e651f7952f682a99a368d7fe3b7fd50e2276a02cc748948b30704aa3e4b71011000665f114d819ed33621ed052ea0a4a0cc84139c1cab875ccd0053
ripemd-160 1991a991fbcb6e7a10c31fc360e5f488ad92390a

80821865 as geometric shapes

Circle

Radius = n
Diameter 161643730
Circumference 507818754.66685
Area 2.0521429417076E+16

Sphere

Radius = n
Volume 2.2114402639386E+24
Surface area 8.2085717668305E+16
Circumference 507818754.66685

Square

Length = n
Perimeter 323287460
Area 6532173862078225
Diagonal 114299377.61929

Cube

Length = n
Surface area 39193043172469350
Volume 5.2794247403741E+23
Space diagonal 139987576.54247

Equilateral Triangle

Length = n
Perimeter 242465595
Area 2.8285142532482E+15
Altitude 69993788.271236

Triangular Pyramid

Length = n
Surface area 2.8285142532482E+15
Volume 6.221861724471E+22
Height 38099792.539762