79991 (number)

79991 is an odd 5-digits composite number following 79990 and preceding 79992. In scientific notation, it is written as 7.9991 × 10^4. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 78000 positive integers (up to 79991) that are relatively prime to 79991.

Interesting facts

Basic properties

Name

Name seventy-nine thousand nine hundred ninety-one

Notation

Scientific notation 7.9991 × 10^4
Engineering notation 7.9991 × 10^3

Prime Factorization of 79991

Prime Factorization 41 × 1951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 79991
Product of the distinct prime numbers

The prime factorization of 79991 is 41 × 1951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 83, 40, 296, 42, 1769, 979, 16847, 41458, 877423, 344896, 2822108, 4310477, 97510107, 16421315, 947971073, 425424237, 6070964427, 2552465348

Basic calculations (n = 79991)

Multiplication

n×y
n×2 159982
n×3 239973
n×4 319964
n×5 399955

Division

n÷y
n÷2 39995.5
n÷3 26663.666666667
n÷3 19997.75
n÷5 15998.2

Exponentiation

ny
n2 6398560081
n3 511827219439271
n4 4.0941571110167E+19
n5 3.2749572146733E+24

Nth Root

y√n
2√n 282.82680212455
3√n 43.087077914023
4√n 16.817455280885
5√n 9.5633098089042

Divisors of 79991

1, 41, 1951, 79991

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 -79990
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 79991 can be divided by 4 positive divisors. The sum of these divisors (counting 79991) is 1, the average is 0.25.

Base conversion 79991

Base System Value
2 Binary 10011100001110111
3 Ternary 11001201122
4 Quaternary 103201313
5 Quinary 10024431
6 Senary 1414155
8 Octal 234167
10 Decimal 79991
12 Duodecimal 3a35b
16 Hexadecimal 13877
20 Vigesimal 9jjb
36 Base36 1ppz

Cryptographic Hash Functions

md5 8b33825b476f4e4cae1c8392715e0912
sha1 107a3f8b26399b96eace6619b7012e9083eda986
sha256 de94fd079b69625d48bfdaa71e6aba6df9aa489c68628a71a1f15dd90bd61771
sha512 36b717d006264e65d79a0e6169ed7cdb3971c65df9be3771943a0989cc6cc3512871b5a105229aa43b72cb31c7850417a6133292dae9e160f02755bacce3bb9a
ripemd-160 4d1ad5275e11efd7efade76b577ddccc711ea83a

79991 as geometric shapes

Circle

Radius = n
Diameter 159982
Circumference 502598.2759066
Area 20101669344.023

Sphere

Radius = n
Volume 2.1439368433303E+15
Surface area 80406677376.09
Circumference 502598.2759066

Square

Length = n
Perimeter 319964
Area 6398560081
Diagonal 113124.35706779

Cube

Length = n
Surface area 38391360486
Volume 511827219439271
Space diagonal 138548.47614824

Equilateral Triangle

Length = n
Perimeter 239973
Area 2770657788.8935
Altitude 69274.238074121

Triangular Pyramid

Length = n
Surface area 2770657788.8935
Volume 60319416276894
Height 37708.119022595