77145 is an odd 5-digits composite number following 77144
and preceding 77146 . In scientific notation, it is written as 7.7145 × 10^4.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 39744 positive integers (up to 77145) that are relatively prime to 77145.
77145 has 16 divisors, whose sum is 127680
The reverse of 77145 is 54177
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 24
Digital Root 6
Name
seventy-seven thousand one hundred forty-five
Scientific notation
7.7145 × 10^4
Engineering notation
7.7145 × 10^3
Prime Factorization
3 × 5 × 37 × 139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77145
Product of the distinct prime numbers
The prime factorization of 77145 is 3 × 5 × 37 × 139.
Since it has a total of 4 prime factors.
4 , 6 , 1 , 66 , 997 , 142 , 8277 , 1968 , 44395 , 40338 , 517974 , 500858 , 5085408 , 6828484 , 98693000 , 19181032 , 742800948 , 886887839 , 3626125875 , 9293661078
n×2
154290
n×3
231435
n×4
308580
n×5
385725
n÷2
38572.5
n÷3
25715
n÷3
19286.25
n÷5
15429
n2
5951351025
n3
459116974823625
n4
3.5418579022769E+19
n5
2.7323662787115E+24
2 √n
277.74988748873
3 √n
42.569896517521
4 √n
16.665829936992
5 √n
9.4942695313302
1 , 3 , 5 , 15 , 37 , 111 , 139 , 185 , 417 , 555 , 695 , 2085 , 5143 , 15429 , 25715 , 77145
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
-77144
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 77145 can be divided by 16 positive divisors.
The sum of these divisors (counting 77145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010110101011001
3
Ternary
10220211020
4
Quaternary
102311121
5
Quinary
4432040
6
Senary
1353053
8
Octal
226531
10
Decimal
77145
12
Duodecimal
38789
16
Hexadecimal
12d59
20
Vigesimal
9ch5
36
Base36
1nix
md5
062ab4dead18e00cdc0f992946495d87
sha1
4cf68ee99fce0f819f834aaf836323b1c6792888
sha256
b898d26f11ae94f1a4d8d3284b74fbfd0eaaf9768e9229998d0f1f51ea380629
sha512
3c62231811556e754f365ec94dc019aeaca7aa0a8ab6e7d41892c95befe56cd2072696b32ca3b33d65a6a910c96b542664a42e3eb6263a79816d6d64e5e66cbc
ripemd-160
be77545c898a935967b4698ce3b3ddd8c7f5fbe6
Diameter
154290
Circumference
484716.33052237
Area
18696720659.074
Volume
1.9231446869924E+15
Surface area
74786882636.296
Circumference
484716.33052237
Perimeter
308580
Area
5951351025
Diagonal
109099.50526927
Surface area
35708106150
Volume
459116974823625
Space diagonal
133619.0595499
Perimeter
231435
Area
2577010587.2443
Altitude
66809.529774951
Surface area
2577010587.2443
Volume
54107454375940
Height
36366.501756424