64431389 is an odd 8-digits composite number following 64431388
and preceding 64431390 . In scientific notation, it is written as 6.4431389 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 58573980 positive integers (up to 64431389) that are relatively prime to 64431389.
64431389 has 4 divisors, whose sum is 70288800
The reverse of 64431389 is 98313446
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-four million four hundred thirty-one thousand three hundred eighty-nine
Scientific notation
6.4431389 × 10^7
Engineering notation
6.4431389 × 10^6
Prime Factorization
11 × 5857399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64431389
Product of the distinct prime numbers
The prime factorization of 64431389 is 11 × 5857399.
Since it has a total of 2 prime factors.
2 , 10 , 19 , 11 , 751 , 778 , 5582 , 8563 , 40214 , 16520 , 897378 , 188561 , 9025995 , 5419788 , 15406367 , 18463489 , 527122851 , 760937281 , 5090407526 , 3588632495
n×2
128862778
n×3
193294167
n×4
257725556
n×5
322156945
n÷2
32215694.5
n÷3
21477129.666667
n÷3
16107847.25
n÷5
12886277.8
n2
4151403888469321
n3
2.6748071883408E+23
n4
1.7234154245198E+31
n5
1.1104204962584E+39
2 √n
8026.9165312715
3 √n
400.89671533517
4 √n
89.593060731686
5 √n
36.460237959957
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64431388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64431389 can be divided by 4 positive divisors.
The sum of these divisors (counting 64431389) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110101110010010100011101
3
Ternary
11111020110020202
4
Quaternary
3311302110131
5
Quinary
112443301024
6
Senary
10220553245
8
Octal
365622435
10
Decimal
64431389
12
Duodecimal
196b2825
16
Hexadecimal
3d7251d
20
Vigesimal
102di99
36
Base36
12czkt
md5
230fd30d7b63dd481cf02e20796940fc
sha1
173e4d7182cef0dee1575784e91a4edefa1e3c58
sha256
18a97cf45ed7ac008eaa16370b6c98d7ec751ca5d649ee6681a41ff360868cb2
sha512
b5d4e9e5cf09aa5e9c14c26b70271aa438eaebc19bffef9b7ec0ee52a607feab2bc51cfc182bff59ef73840991f03bcfdce6828f6de9976e7927da3f1daa6cc6
ripemd-160
09e6d9a5d1309419ceeeec2ab8b7e726e9070282
Diameter
128862778
Circumference
404834356.68597
Area
1.3042019958099E+16
Volume
1.1204206150214E+24
Surface area
5.2168079832397E+16
Circumference
404834356.68597
Perimeter
257725556
Area
4151403888469321
Diagonal
91119744.166337
Surface area
24908423330815926
Volume
2.6748071883408E+23
Space diagonal
111598439.35023
Perimeter
193294167
Area
1.797610614392E+15
Altitude
55799219.675117
Surface area
1.797610614392E+15
Volume
3.1522905020705E+22
Height
30373248.055446