80821281 (number)

80821281 is an odd 8-digits composite number following 80821280 and preceding 80821282. In scientific notation, it is written as 8.0821281 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 50711360 positive integers (up to 80821281) that are relatively prime to 80821281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.0821281 × 10^7
Engineering notation 8.0821281 × 10^6

Prime Factorization of 80821281

Prime Factorization 3 × 17 × 1584731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 80821281
Product of the distinct prime numbers

The prime factorization of 80821281 is 3 × 17 × 1584731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821281)

Multiplication

n×y
n×2 161642562
n×3 242463843
n×4 323285124
n×5 404106405

Division

n÷y
n÷2 40410640.5
n÷3 26940427
n÷3 20205320.25
n÷5 16164256.2

Exponentiation

ny
n2 6532079462480961
n3 5.279310297515E+23
n4 4.2668062104166E+31
n5 3.4484874370462E+39

Nth Root

y√n
2√n 8990.0656838535
3√n 432.35641775113
4√n 94.815956905225
5√n 38.150931473178

Divisors of 80821281

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 -80821280
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 80821281 can be divided by 8 positive divisors. The sum of these divisors (counting 80821281) is 1, the average is 0.125.

Base conversion 80821281

Base System Value
2 Binary 100110100010011110000100001
3 Ternary 12122002010221210
4 Quaternary 10310103300201
5 Quinary 131142240111
6 Senary 12004140333
8 Octal 464236041
10 Decimal 80821281
12 Duodecimal 230976a9
16 Hexadecimal 4d13c21
20 Vigesimal 1552d41
36 Base36 1c4a3l

Cryptographic Hash Functions

md5 bdb21f45379e2585c7f240db2f963f39
sha1 7890435bafdbfd71659a6f0015e1d7c78e2083f5
sha256 4236170524f8b7e323c8a08cf2bc8ea191e68b6ae8622531809af1d181a775bb
sha512 98d1c914a104f88fffc4972fdc6adc1ad711c077cfada308d95af79c3a2078afa46413075248969ffd5dbfc039687480ef7c069858e6f0ba4accdd23c4c226d6
ripemd-160 231e8774e724394e64ea092c1d063b67a71693bf

80821281 as geometric shapes

Circle

Radius = n
Diameter 161642562
Circumference 507815085.28663
Area 2.0521132851995E+16

Sphere

Radius = n
Volume 2.2113923262259E+24
Surface area 8.208453140798E+16
Circumference 507815085.28663

Square

Length = n
Perimeter 323285124
Area 6532079462480961
Diagonal 114298551.71857

Cube

Length = n
Surface area 39192476774885766
Volume 5.279310297515E+23
Space diagonal 139986565.0248

Equilateral Triangle

Length = n
Perimeter 242463843
Area 2.8284733770236E+15
Altitude 69993282.512401

Triangular Pyramid

Length = n
Surface area 2.8284733770236E+15
Volume 6.2217268522681E+22
Height 38099517.239522