64408081 is an odd 8-digits composite number following 64408080
and preceding 64408082 . In scientific notation, it is written as 6.4408081 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 60606000 positive integers (up to 64408081) that are relatively prime to 64408081.
64408081 has 8 divisors, whose sum is 68256000
The reverse of 64408081 is 18080446
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-four million four hundred eight thousand eighty-one
Scientific notation
6.4408081 × 10^7
Engineering notation
6.4408081 × 10^6
Prime Factorization
19 × 149 × 22751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64408081
Product of the distinct prime numbers
The prime factorization of 64408081 is 19 × 149 × 22751.
Since it has a total of 3 prime factors.
9 , 7 , 96 , 42 , 231 , 75 , 1149 , 1291 , 76390 , 58767 , 746067 , 736931 , 6147658 , 7756911 , 76384058 , 99622909 , 914074212 , 78666615 , 2765057734 , 9361237852
n×2
128816162
n×3
193224243
n×4
257632324
n×5
322040405
n÷2
32204040.5
n÷3
21469360.333333
n÷3
16102020.25
n÷5
12881616.2
n2
4148400898102561
n3
2.6719054106546E+23
n4
1.7209230011378E+31
n5
1.1084134805205E+39
2 √n
8025.4645348416
3 √n
400.8483681566
4 √n
89.584957078974
5 √n
36.457599686177
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
-64408080
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 64408081 can be divided by 8 positive divisors.
The sum of these divisors (counting 64408081) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110101101100101000010001
3
Ternary
11111012021021111
4
Quaternary
3311230220101
5
Quinary
112442024311
6
Senary
10220253321
8
Octal
365545021
10
Decimal
64408081
12
Duodecimal
196a1241
16
Hexadecimal
3d6ca11
20
Vigesimal
102b041
36
Base36
12chld
md5
ce847310c5c2c6de1d261ac3c0d89dfd
sha1
f143c47129c05153a9e3621e76887f6a31dc88b2
sha256
7ec62fbf525992d46b8e3c8f212a6ab79c637dfef6c543f9ed44183f82b19d48
sha512
f88c38e2890c180630eea6a0202971ba9c1d5dc44dfc34e8a2d5e84af2efe6aa477c302e6ae454448d58d314fbd8b89d43bd813208eb586b0b2a534e6c18c449
ripemd-160
7e0c22cb59b81143497f20a9f298d8a9638aa08a
Diameter
128816162
Circumference
404687908.20283
Area
1.3032585785624E+16
Volume
1.1192051212266E+24
Surface area
5.2130343142497E+16
Circumference
404687908.20283
Perimeter
257632324
Area
4148400898102561
Diagonal
91086781.676625
Surface area
24890405388615366
Volume
2.6719054106546E+23
Space diagonal
111558068.71001
Perimeter
193224243
Area
1.7963102814195E+15
Altitude
55779034.355006
Surface area
1.7963102814195E+15
Volume
3.1488707242715E+22
Height
30362260.558875