80491991 (number)

80491991 is an odd 8-digits composite number following 80491990 and preceding 80491992. In scientific notation, it is written as 8.0491991 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 74608512 positive integers (up to 80491991) that are relatively prime to 80491991.

Interesting facts

Basic properties

Name

Name eighty million four hundred ninety-one thousand nine hundred ninety-one

Notation

Scientific notation 8.0491991 × 10^7
Engineering notation 8.0491991 × 10^6

Prime Factorization of 80491991

Prime Factorization 17 × 17 × 67 × 4157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4734823
Product of the distinct prime numbers

The prime factorization of 80491991 is 17 × 17 × 67 × 4157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 96, 65, 287, 628, 550, 3332, 20773, 9374, 155714, 848911, 6982416, 9290945, 60211630, 85260887, 294939135, 201285788, 3996100940, 7118766135

Basic calculations (n = 80491991)

Multiplication

n×y
n×2 160983982
n×3 241475973
n×4 321967964
n×5 402459955

Division

n÷y
n÷2 40245995.5
n÷3 26830663.666667
n÷3 20122997.75
n÷5 16098398.2

Exponentiation

ny
n2 6478960615144081
n3 5.2150443952353E+23
n4 4.1976930652588E+31
n5 3.3788067242958E+39

Nth Root

y√n
2√n 8971.7328872409
3√n 431.76843549624
4√n 94.719231876324
5√n 38.119793030508

Divisors of 80491991

1, 17, 67, 289, 1139, 4157, 19363, 70669, 278519, 1201373, 4734823, 80491991

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80491990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80491991 can be divided by 12 positive divisors. The sum of these divisors (counting 80491991) is 1, the average is 0.083333333333333.

Base conversion 80491991

Base System Value
2 Binary 100110011000011010111010111
3 Ternary 12121110102020212
4 Quaternary 10303003113113
5 Quinary 131101220431
6 Senary 11553120035
8 Octal 463032727
10 Decimal 80491991
12 Duodecimal 22b5901b
16 Hexadecimal 4cc35d7
20 Vigesimal 15319jb
36 Base36 1bx80n

Cryptographic Hash Functions

md5 c396f7ebc43fb9135c23657135b32ccc
sha1 45b572dd73434ca6cea5d6b4e0dabbc4340a50c7
sha256 e82cec1b26427496e2c1f9815d6c0c45ca51c3f5ceebb6d1b710ac9a3242092b
sha512 8ec07a89912e11032a9c0beb84817e4e8c603a73864fe538c231f1eb4413641f4a3600ee8a41809444435c17698f7350fe7b9dc11dcc851a7428fdbd4fe62d3c
ripemd-160 7da1dc637a7dd8a16d904cba3851e23a31147577

80491991 as geometric shapes

Circle

Radius = n
Diameter 160983982
Circumference 505746095.19683
Area 2.0354255071434E+16

Sphere

Radius = n
Volume 2.1844726880288E+24
Surface area 8.1417020285737E+16
Circumference 505746095.19683

Square

Length = n
Perimeter 321967964
Area 6478960615144081
Diagonal 113832865.33461

Cube

Length = n
Surface area 38873763690864486
Volume 5.2150443952353E+23
Space diagonal 139416218.01438

Equilateral Triangle

Length = n
Perimeter 241475973
Area 2.8054722414168E+15
Altitude 69708109.007188

Triangular Pyramid

Length = n
Surface area 2.8054722414168E+15
Volume 6.1459887600997E+22
Height 37944288.444871