64444885 is an odd 8-digits composite number following 64444884
and preceding 64444886 . In scientific notation, it is written as 6.4444885 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 51555904 positive integers (up to 64444885) that are relatively prime to 64444885.
64444885 has 4 divisors, whose sum is 77333868
The reverse of 64444885 is 58844446
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-four million four hundred forty-four thousand eight hundred eighty-five
Scientific notation
6.4444885 × 10^7
Engineering notation
6.4444885 × 10^6
Prime Factorization
5 × 12888977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64444885
Product of the distinct prime numbers
The prime factorization of 64444885 is 5 × 12888977.
Since it has a total of 2 prime factors.
6 , 8 , 39 , 47 , 98 , 34 , 1200 , 3102 , 62067 , 8444 , 557572 , 843976 , 1778300 , 3510687 , 86393281 , 92849459 , 413029743 , 191626241 , 4359882899 , 2839205490
n×2
128889770
n×3
193334655
n×4
257779540
n×5
322224425
n÷2
32222442.5
n÷3
21481628.333333
n÷3
16111221.25
n÷5
12888977
n2
4153143202663225
n3
2.6764883608416E+23
n4
1.7248598461828E+31
n5
1.1115839442837E+39
2 √n
8027.7571587586
3 √n
400.92470440712
4 √n
89.5977519738
5 √n
36.461765247065
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
-64444884
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 64444885 can be divided by 4 positive divisors.
The sum of these divisors (counting 64444885) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110101110101100111010101
3
Ternary
11111021010202121
4
Quaternary
3311311213111
5
Quinary
112444214020
6
Senary
10221135541
8
Octal
365654725
10
Decimal
64444885
12
Duodecimal
196ba5b1
16
Hexadecimal
3d759d5
20
Vigesimal
102fc45
36
Base36
12d9zp
md5
762f887700454ddbba275d22936c9efe
sha1
f194d9f208922b3e02a2124790aa2b0c0e1c9941
sha256
6d550138ea46bc3187deb2a05641348b046ab3a1286e51cc49fab24a3d2dfb98
sha512
a867fe39bb149607ffe0143b27d875e7943545f055a58f662e792785ccbfc9a8f4a89e0f543c5006964e0021311ca7c1096fcfed00aff4611858b1352bd48a21
ripemd-160
ef25bcc7bded82134a8f8e48b1c4bb6ecc04535d
Diameter
128889770
Circumference
404919154.55488
Area
1.3047484174793E+16
Volume
1.1211248229118E+24
Surface area
5.2189936699173E+16
Circumference
404919154.55488
Perimeter
257779540
Area
4153143202663225
Diagonal
91138830.392574
Surface area
24918859215979350
Volume
2.6764883608416E+23
Space diagonal
111621815.10793
Perimeter
193334655
Area
1.7983637595305E+15
Altitude
55810907.553967
Surface area
1.7983637595305E+15
Volume
3.1542717828633E+22
Height
30379610.130858