75981 (number)

75981 is an odd 5-digits composite number following 75980 and preceding 75982. In scientific notation, it is written as 7.5981 × 10^4. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 45360 positive integers (up to 75981) that are relatively prime to 75981.

Interesting facts

Basic properties

Name

Name seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 7.5981 × 10^4
Engineering notation 7.5981 × 10^3

Prime Factorization of 75981

Prime Factorization 3 × 19 × 43 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 75981
Product of the distinct prime numbers

The prime factorization of 75981 is 3 × 19 × 43 × 31. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 75981)

Multiplication

n×y
n×2 151962
n×3 227943
n×4 303924
n×5 379905

Division

n÷y
n÷2 37990.5
n÷3 25327
n÷3 18995.25
n÷5 15196.2

Exponentiation

ny
n2 5773112361
n3 438646850301141
n4 3.3328826332731E+19
n5 2.5323575535872E+24

Nth Root

y√n
2√n 275.6465127659
3√n 42.354705695367
4√n 16.602605601709
5√n 9.4654442307145

Divisors of 75981

1, 3, 19, 31, 43, 57, 93, 129, 589, 817, 1333, 1767, 2451, 3999, 25327, 75981

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 -75980
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 75981 can be divided by 16 positive divisors. The sum of these divisors (counting 75981) is 1, the average is 0.0625.

Base conversion 75981

Base System Value
2 Binary 10010100011001101
3 Ternary 10212020010
4 Quaternary 102203031
5 Quinary 4412411
6 Senary 1343433
8 Octal 224315
10 Decimal 75981
12 Duodecimal 37b79
16 Hexadecimal 128cd
20 Vigesimal 99j1
36 Base36 1mml

Cryptographic Hash Functions

md5 1e206bcb08b982d409040e9b434d3d5b
sha1 c326e9284c5446c004d4cd843c36890c8323a041
sha256 40433b3a42955497429f043a2155b5ef2ce9957298dfdd0e8bf812b11f33380f
sha512 9fd9bc45215da7daeeb03022500dfd86365288a7b8971765252cb91cab8df234044dc56261be14cd950c1954f4856e8b1e752f6caee4c6ddd4bbb1919be05c5b
ripemd-160 4c566d1acbeb7c6b73c332d31cd09aef1cee5e93

75981 as geometric shapes

Circle

Radius = n
Diameter 151962
Circumference 477402.70282481
Area 18136767381.666

Sphere

Radius = n
Volume 1.8373996299018E+15
Surface area 72547069526.664
Circumference 477402.70282481

Square

Length = n
Perimeter 303924
Area 5773112361
Diagonal 107453.36068267

Cube

Length = n
Surface area 34638674166
Volume 438646850301141
Space diagonal 131602.95240989

Equilateral Triangle

Length = n
Perimeter 227943
Area 2499830981.764
Altitude 65801.476204945

Triangular Pyramid

Length = n
Surface area 2499830981.764
Volume 51695027065676
Height 35817.786894223