64980 is an even 5-digits composite number following 64979
and preceding 64981 . In scientific notation, it is written as 6.4980 × 10^4.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 16416 positive integers (up to 64980) that are relatively prime to 64980.
64980 has 18 divisors, whose sum is 122682
The reverse of 64980 is 08946
Previous prime number is 19
Is Prime? no
Number parity even
Number length 5
Sum of Digits 27
Digital Root 9
Name
sixty-four thousand nine hundred eighty
Scientific notation
6.4980 × 10^4
Engineering notation
6.4980 × 10^3
Prime Factorization
2 × 2 × 45 × 19 × 19
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1710
Product of the distinct prime numbers
The prime factorization of 64980 is 2 × 2 × 45 × 19 × 19.
Since it has a total of 5 prime factors.
1 , 6 , 94 , 55 , 794 , 729 , 9563 , 3323 , 29231 , 90369 , 805776 , 626667 , 6561652 , 2108670 , 82509867 , 61142254 , 799934653 , 469559793 , 2242328491 , 804262086
n×2
129960
n×3
194940
n×4
259920
n×5
324900
n÷2
32490
n÷3
21660
n÷3
16245
n÷5
12996
n2
4222400400
n3
274371577992000
n4
1.782866513792E+19
n5
1.1585066606621E+24
2 √n
254.91174943498
3 √n
40.203133341571
4 √n
15.965955951179
5 √n
9.1739409716432
1 , 2 , 4 , 19 , 38 , 45 , 76 , 90 , 180 , 361 , 722 , 855 , 1444 , 1710 , 3420 , 16245 , 32490 , 64980
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64980 can be divided by 18 positive divisors.
The sum of these divisors (counting 64980) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1111110111010100
3
Ternary
10022010200
4
Quaternary
33313110
5
Quinary
4034410
6
Senary
1220500
8
Octal
176724
10
Decimal
64980
12
Duodecimal
31730
16
Hexadecimal
fdd4
20
Vigesimal
8290
36
Base36
1e50
md5
6e03a3928e2f0af1aacfc88f28e4c94f
sha1
f97ab19d92bf1a992404f743560d37394e24842e
sha256
389158216f1f023c061ab9d4fc3efc8f693d3607dabf0a4a60c2ba2eebd0ed36
sha512
e8d474dcc9c7cfc28248ddd263ba3e9d12d8f63bdc9a8fa08b542093e698f45402f4583776ec8c727b01baffefd52162452c70b4268b9cd4f96699b8b9330c29
ripemd-160
f18ef568a47674ff8cdf26f2fb95440c79daf498
Diameter
129960
Circumference
408281.38126053
Area
13265062077.155
Volume
1.1492849783647E+15
Surface area
53060248308.618
Circumference
408281.38126053
Perimeter
259920
Area
4222400400
Diagonal
91895.597283004
Surface area
25334402400
Volume
274371577992000
Space diagonal
112548.66147583
Perimeter
194940
Area
1828353005.6748
Altitude
56274.330737913
Surface area
1828353005.6748
Volume
32335000560499
Height
30631.865761001