80642721 (number)

80642721 is an odd 8-digits composite number following 80642720 and preceding 80642722. In scientific notation, it is written as 8.0642721 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 51917184 positive integers (up to 80642721) that are relatively prime to 80642721.

Interesting facts

Basic properties

Name

Name eighty million six hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 8.0642721 × 10^7
Engineering notation 8.0642721 × 10^6

Prime Factorization of 80642721

Prime Factorization 3 × 37 × 137 × 5303

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80642721
Product of the distinct prime numbers

The prime factorization of 80642721 is 3 × 37 × 137 × 5303. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 73, 9, 783, 930, 5788, 8030, 62545, 42919, 116341, 859838, 6489319, 7762110, 2951350, 36058136, 164759632, 893919660, 4779028416, 9634604428

Basic calculations (n = 80642721)

Multiplication

n×y
n×2 161285442
n×3 241928163
n×4 322570884
n×5 403213605

Division

n÷y
n÷2 40321360.5
n÷3 26880907
n÷3 20160680.25
n÷5 16128544.2

Exponentiation

ny
n2 6503248450283841
n3 5.2443965036992E+23
n4 4.2292240406119E+31
n5 3.4105613435356E+39

Nth Root

y√n
2√n 8980.129230696
3√n 432.03777854629
4√n 94.763543785023
5√n 38.13405903961

Divisors of 80642721

1, 3, 37, 111, 137, 411, 5069, 5303, 15207, 15909, 196211, 588633, 726511, 2179533, 26880907, 80642721

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 -80642720
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 80642721 can be divided by 16 positive divisors. The sum of these divisors (counting 80642721) is 1, the average is 0.0625.

Base conversion 80642721

Base System Value
2 Binary 100110011101000001010100001
3 Ternary 12121202002000110
4 Quaternary 10303220022201
5 Quinary 131121031341
6 Senary 12000241533
8 Octal 463501241
10 Decimal 80642721
12 Duodecimal 230102a9
16 Hexadecimal 4ce82a1
20 Vigesimal 15406g1
36 Base36 1c0gbl

Cryptographic Hash Functions

md5 830448e876edc8a70264178e80fc56de
sha1 bbaa5cafce1f8366d38550f0b38db7501b9310ab
sha256 17a786c55ed7d5c4606f52ec13cbb2fe2fe22efc3bd087f1e2b64b4b9f53dffe
sha512 1ec9b0549792bfbbc95b2882b8cd313b2231ab013cc95eb5464d26b2caa2d87665829464d1055baa92e0c5acbaa50c447e34cc591b981ce48fef96f9d423ec72
ripemd-160 32d6b6b4a4f72d777e89c8b74ebb6887fa51671a

80642721 as geometric shapes

Circle

Radius = n
Diameter 161285442
Circumference 506693159.71818
Area 2.0430557555881E+16

Sphere

Radius = n
Volume 2.1967676704711E+24
Surface area 8.1722230223524E+16
Circumference 506693159.71818

Square

Length = n
Perimeter 322570884
Area 6503248450283841
Diagonal 114046029.74487

Cube

Length = n
Surface area 39019490701703046
Volume 5.2443965036992E+23
Space diagonal 139677290.0326

Equilateral Triangle

Length = n
Perimeter 241928163
Area 2.8159891825338E+15
Altitude 69838645.016301

Triangular Pyramid

Length = n
Surface area 2.8159891825338E+15
Volume 6.1805805516612E+22
Height 38015343.24829