64444881 is an odd 8-digits composite number following 64444880
and preceding 64444882 . In scientific notation, it is written as 6.4444881 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 42807600 positive integers (up to 64444881) that are relatively prime to 64444881.
64444881 has 8 divisors, whose sum is 86237824
The reverse of 64444881 is 18844446
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-four million four hundred forty-four thousand eight hundred eighty-one
Scientific notation
6.4444881 × 10^7
Engineering notation
6.4444881 × 10^6
Prime Factorization
3 × 277 × 77551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64444881
Product of the distinct prime numbers
The prime factorization of 64444881 is 3 × 277 × 77551.
Since it has a total of 3 prime factors.
3 , 5 , 80 , 85 , 870 , 806 , 1031 , 659 , 34417 , 80225 , 94518 , 573916 , 5773653 , 7376561 , 89209153 , 89140632 , 815038734 , 265437064 , 3365768393 , 6872737701
n×2
128889762
n×3
193334643
n×4
257779524
n×5
322224405
n÷2
32222440.5
n÷3
21481627
n÷3
16111220.25
n÷5
12888976.2
n2
4153142687104161
n3
2.6764878624645E+23
n4
1.7248594179447E+31
n5
1.1115835993117E+39
2 √n
8027.756909623
3 √n
400.92469611218
4 √n
89.5977505835
5 √n
36.461764794439
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64444880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64444881 can be divided by 8 positive divisors.
The sum of these divisors (counting 64444881) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110101110101100111010001
3
Ternary
11111021010202110
4
Quaternary
3311311213101
5
Quinary
112444214011
6
Senary
10221135533
8
Octal
365654721
10
Decimal
64444881
12
Duodecimal
196ba5a9
16
Hexadecimal
3d759d1
20
Vigesimal
102fc41
36
Base36
12d9zl
md5
eadc6b8ebd96c79b7bbd02e685d8e7a5
sha1
c17e6daa10dc8cd3dc0e9979852710bde577e57a
sha256
c597e0cd5ac1eecae9a5db70b05e33f9cce8cb5da714f70052caa35183bc208a
sha512
fc60352778d56331064908873b26c774a135f635b5b73cb99c978273e611f6b3fab177e3015e0308bd9999acca3fe50791aaa12f595dd29d6dc244db31bd1a5f
ripemd-160
2fdff75b36d83816ab1a4e6c2b61f6ff1071701c
Diameter
128889762
Circumference
404919129.42214
Area
1.3047482555117E+16
Volume
1.1211246141521E+24
Surface area
5.2189930220466E+16
Circumference
404919129.42214
Perimeter
257779524
Area
4153142687104161
Diagonal
91138824.73572
Surface area
24918856122624966
Volume
2.6764878624645E+23
Space diagonal
111621808.17973
Perimeter
193334643
Area
1.7983635362869E+15
Altitude
55810904.089865
Surface area
1.7983635362869E+15
Volume
3.1542711955202E+22
Height
30379608.24524