64688380 is an even 8-digits composite number following 64688379
and preceding 64688381 . In scientific notation, it is written as 6.4688380 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 25751040 positive integers (up to 64688380) that are relatively prime to 64688380.
64688380 has 24 divisors, whose sum is 136498320
The reverse of 64688380 is 08388646
Previous prime number is 211
Is Prime? no Number parity even Number length 8 Sum of Digits 43 Digital Root 7
Name
sixty-four million six hundred eighty-eight thousand three hundred eighty
Scientific notation
6.4688380 × 10^7
Engineering notation
6.4688380 × 10^6
Prime Factorization
2 × 2 × 5 × 211 × 15329
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
32344190 Product of the distinct prime numbers
The prime factorization of 64688380 is 2 × 2 × 5 × 211 × 15329.
Since it has a total of 5 prime factors.
3 , 4 , 89 , 75 , 418 , 92 , 3534 , 919 , 23164 , 25674 , 39488 , 279881 , 3994846 , 49859 , 87988901 , 52376474 , 841576316 , 814754837 , 6648138988 , 6256213036
n×2
129376760
n×3
194065140
n×4
258753520
n×5
323441900
n÷2
32344190
n÷3
21562793.333333
n÷3
16172095
n÷5
12937676
n2
4184586507024400
n3
2.7069412210927E+23
n4
1.7510764234771E+31
n5
1.1327429709093E+39
2 √n8042.9086778354
3 √n401.42901371997
4 √n89.682265124357
5 √n36.489276723949
1 , 2 , 4 , 5 , 10 , 20 , 211 , 422 , 844 , 1055 , 2110 , 4220 , 15329 , 30658 , 61316 , 76645 , 153290 , 306580 , 3234419 , 6468838 , 12937676 , 16172095 , 32344190 , 64688380
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-64688379 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64688380 can be divided by 24 positive divisors.
The sum of these divisors (counting 64688380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110110110001000011111100
3
Ternary
11111201111202221
4
Quaternary
3312301003330
5
Quinary
113030012010
6
Senary
10230255124
8
Octal
366610374
10
Decimal
64688380
12
Duodecimal
197b74a4
16
Hexadecimal
3db10fc
20
Vigesimal
10460j0
36
Base36
12ihvg
md5
368268e59e7cc687a3e18392d55db718
sha1
b14280eb230e8cf14a48bf6632e1fb3dc4019bfd
sha256
f9948691ccbbaf4a8f462594d560b88709e251de824dd8b5bdd28c4b4b3a3f22
sha512
8c7f8a0d014b0df89fc9cbf4ce518cac5008d5990dd1b37f2697acf8b9b7d225337aafc3d89937f258e4b349f5219f92df6f3de0e06a5d67ac65210a1094c316
ripemd-160
8e415dcc3a1296dd3e0bea6dbd47f0b751e11391
Diameter
129376760
Circumference
406449078.76125
Area
1.3146266228779E+16
Volume
1.1338808871845E+24
Surface area
5.2585064915115E+16
Circumference
406449078.76125
Perimeter
258753520
Area
4184586507024400
Diagonal
91483184.323944
Surface area
25107519042146400
Volume
2.7069412210927E+23
Space diagonal
112043560.81932
Perimeter
194065140
Area
1.8119791097084E+15
Altitude
56021780.409661
Surface area
1.8119791097084E+15
Volume
3.1901608228467E+22
Height
30494394.774648