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.
75981 has 16 divisors, whose sum is 112640
The reverse of 75981 is 18957
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 30
Digital Root 3
Name
seventy-five thousand nine hundred eighty-one
Scientific notation
7.5981 × 10^4
Engineering notation
7.5981 × 10^3
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.
8 , 5 , 82 , 28 , 670 , 387 , 1568 , 3074 , 2632 , 86229 , 897051 , 52940 , 6447272 , 1366139 , 59653014 , 84945231 , 966413209 , 161295819 , 3155075645 , 5403508521
n×2
151962
n×3
227943
n×4
303924
n×5
379905
n÷2
37990.5
n÷3
25327
n÷3
18995.25
n÷5
15196.2
n2
5773112361
n3
438646850301141
n4
3.3328826332731E+19
n5
2.5323575535872E+24
2 √n
275.6465127659
3 √n
42.354705695367
4 √n
16.602605601709
5 √n
9.4654442307145
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
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
md5
1e206bcb08b982d409040e9b434d3d5b
sha1
c326e9284c5446c004d4cd843c36890c8323a041
sha256
40433b3a42955497429f043a2155b5ef2ce9957298dfdd0e8bf812b11f33380f
sha512
9fd9bc45215da7daeeb03022500dfd86365288a7b8971765252cb91cab8df234044dc56261be14cd950c1954f4856e8b1e752f6caee4c6ddd4bbb1919be05c5b
ripemd-160
4c566d1acbeb7c6b73c332d31cd09aef1cee5e93
Diameter
151962
Circumference
477402.70282481
Area
18136767381.666
Volume
1.8373996299018E+15
Surface area
72547069526.664
Circumference
477402.70282481
Perimeter
303924
Area
5773112361
Diagonal
107453.36068267
Surface area
34638674166
Volume
438646850301141
Space diagonal
131602.95240989
Perimeter
227943
Area
2499830981.764
Altitude
65801.476204945
Surface area
2499830981.764
Volume
51695027065676
Height
35817.786894223