80821891 (number)

80821891 is an odd 8-digits composite number following 80821890 and preceding 80821892. In scientific notation, it is written as 8.0821891 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 80204800 positive integers (up to 80821891) that are relatively prime to 80821891.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand eight hundred ninety-one

Notation

Scientific notation 8.0821891 × 10^7
Engineering notation 8.0821891 × 10^6

Prime Factorization of 80821891

Prime Factorization 131 × 616961

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80821891
Product of the distinct prime numbers

The prime factorization of 80821891 is 131 × 616961. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821891)

Multiplication

n×y
n×2 161643782
n×3 242465673
n×4 323287564
n×5 404109455

Division

n÷y
n÷2 40410945.5
n÷3 26940630.333333
n÷3 20205472.75
n÷5 16164378.2

Exponentiation

ny
n2 6532178064815881
n3 5.2794298354714E+23
n4 4.2669350270462E+31
n5 3.4486175766001E+39

Nth Root

y√n
2√n 8990.0996101267
3√n 432.35750548754
4√n 94.816135810983
5√n 38.150989061966

Divisors of 80821891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80821890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80821891 can be divided by 4 positive divisors. The sum of these divisors (counting 80821891) is 1, the average is 0.25.

Base conversion 80821891

Base System Value
2 Binary 100110100010011111010000011
3 Ternary 12122002011210101
4 Quaternary 10310103322003
5 Quinary 131142300031
6 Senary 12004143231
8 Octal 464237203
10 Decimal 80821891
12 Duodecimal 23097b17
16 Hexadecimal 4d13e83
20 Vigesimal 1552eeb
36 Base36 1c4akj

Cryptographic Hash Functions

md5 cbc9df6d87e26eba03fa369c73f4aa1b
sha1 d78b053145e57f1e0d2a62795f47694606539ae3
sha256 0a0ed6902eebaaa0e34e850c498aa9abf063e56e815674abdf04d1575040bce0
sha512 166dd41905bff41f8a85dc7b0a41f4174d2746a0e7d5375abf12c0998ef42e7d96db1ffdb300e264ad31bc8560cf5d095cbf36216f63f5300f0b2740debcf79e
ripemd-160 7ee34db23e861b2e37267e3a00f98b4950daff16

80821891 as geometric shapes

Circle

Radius = n
Diameter 161643782
Circumference 507818918.02967
Area 2.0521442620366E+16

Sphere

Radius = n
Volume 2.211442398168E+24
Surface area 8.2085770481464E+16
Circumference 507818918.02967

Square

Length = n
Perimeter 323287564
Area 6532178064815881
Diagonal 114299414.38884

Cube

Length = n
Surface area 39193068388895286
Volume 5.2794298354714E+23
Space diagonal 139987621.57579

Equilateral Triangle

Length = n
Perimeter 242465673
Area 2.828516073087E+15
Altitude 69993810.787897

Triangular Pyramid

Length = n
Surface area 2.828516073087E+15
Volume 6.2218677291007E+22
Height 38099804.79628