64389618 is an even 8-digits composite number following 64389617
and preceding 64389619 . In scientific notation, it is written as 6.4389618 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 21424824 positive integers (up to 64389618) that are relatively prime to 64389618.
64389618 has 16 divisors, whose sum is 107508000
The reverse of 64389618 is 81698346
Previous prime number is 619
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million three hundred eighty-nine thousand six hundred eighteen
Scientific notation
6.4389618 × 10^7
Engineering notation
6.4389618 × 10^6
Prime Factorization
2 × 9 × 619 × 5779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64389618
Product of the distinct prime numbers
The prime factorization of 64389618 is 2 × 9 × 619 × 5779.
Since it has a total of 4 prime factors.
10 , 10 , 68 , 31 , 678 , 881 , 7950 , 4917 , 80145 , 63 , 868462 , 844885 , 8967805 , 5291911 , 3611544 , 36239136 , 694865570 , 134424964 , 412142493 , 1879529835
n×2
128779236
n×3
193168854
n×4
257558472
n×5
321948090
n÷2
32194809
n÷3
21463206
n÷3
16097404.5
n÷5
12877923.6
n2
4146022906185924
n3
2.6696083114856E+23
n4
1.7189505938618E+31
n5
1.1068257209964E+39
2 √n
8024.3141763019
3 √n
400.81006255588
4 √n
89.578536359453
5 √n
36.45550928433
1 , 2 , 9 , 18 , 619 , 1238 , 5571 , 5779 , 11142 , 11558 , 52011 , 104022 , 3577201 , 7154402 , 32194809 , 64389618
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
-64389617
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 64389618 can be divided by 16 positive divisors.
The sum of these divisors (counting 64389618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110101101000000111110010
3
Ternary
11111011022221200
4
Quaternary
3311220013302
5
Quinary
112440431433
6
Senary
10220032030
8
Octal
365500762
10
Decimal
64389618
12
Duodecimal
19692616
16
Hexadecimal
3d681f2
20
Vigesimal
1028e0i
36
Base36
12c3ci
md5
63f78ec0746d66a792fb239a9574539d
sha1
42dc42933c6e2a32b35d242c1cbc8a4637e6fe93
sha256
818141bfa4bc97e2945a19a326bfbb16bf0ca354c9f145264587fa8c3dc9529d
sha512
261a6d3667e3dfa910bfd3d522882612b378230047ea84e7d3f1e1f336498198500f5ec027e9179b8616895fa243ac2c26a17ba67bc2a300934f918e56b0cb3b
ripemd-160
18ccbe3371041d20a0e1763bb7344e7c0d9ed7a2
Diameter
128779236
Circumference
404571901.75251
Area
1.3025115103689E+16
Volume
1.1182429145767E+24
Surface area
5.2100460414755E+16
Circumference
404571901.75251
Perimeter
257558472
Area
4146022906185924
Diagonal
91060671.051623
Surface area
24876137437115544
Volume
2.6696083114856E+23
Space diagonal
111526089.85595
Perimeter
193168854
Area
1.7952805807146E+15
Altitude
55763044.927976
Surface area
1.7952805807146E+15
Volume
3.1461635669391E+22
Height
30353557.017208