64749894 is an even 8-digits composite number following 64749893
and preceding 64749895 . In scientific notation, it is written as 6.4749894 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 19468800 positive integers (up to 64749894) that are relatively prime to 64749894.
64749894 has 16 divisors, whose sum is 100845360
The reverse of 64749894 is 49894746
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-four million seven hundred forty-nine thousand eight hundred ninety-four
Scientific notation
6.4749894 × 10^7
Engineering notation
6.4749894 × 10^6
Prime Factorization
2 × 33 × 131 × 7489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64749894
Product of the distinct prime numbers
The prime factorization of 64749894 is 2 × 33 × 131 × 7489.
Since it has a total of 4 prime factors.
2 , 5 , 26 , 22 , 793 , 454 , 4809 , 2960 , 79278 , 52833 , 115985 , 64786 , 6070756 , 4648083 , 45670072 , 7000541 , 837848560 , 679155430 , 8405813496 , 1429971375
n×2
129499788
n×3
194249682
n×4
258999576
n×5
323749470
n÷2
32374947
n÷3
21583298
n÷3
16187473.5
n÷5
12949978.8
n2
4192548773011236
n3
2.7146708864231E+23
n4
1.7577465214078E+31
n5
1.1381390094002E+39
2 √n
8046.7318831933
3 √n
401.55621678814
4 √n
89.703577872866
5 √n
36.496213821689
1 , 2 , 33 , 66 , 131 , 262 , 4323 , 7489 , 8646 , 14978 , 247137 , 494274 , 981059 , 1962118 , 32374947 , 64749894
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
-64749893
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 64749894 can be divided by 16 positive divisors.
The sum of these divisors (counting 64749894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111000000000101000110
3
Ternary
11111211122011020
4
Quaternary
3313000011012
5
Quinary
113033444034
6
Senary
10231452010
8
Octal
367000506
10
Decimal
64749894
12
Duodecimal
19827006
16
Hexadecimal
3dc0146
20
Vigesimal
104deee
36
Base36
12jtc6
md5
5f4958d0d1496d18bd043bc4cd727a2c
sha1
b907cde97c3e2dfe06b3858feddff8ce644a3ed3
sha256
61248bba994a8e41f3c1470a3e9ffac8ec488a837bec84c0a707a7fcf16afb9d
sha512
550617c3026c6a2051141b61de195fc8f73580133be02fabcbe7c58d2d18d912c2b1d8ef84fd87f3ed7ff926ba33928221f2d5136c5326c2577271a6d1a7daaf
ripemd-160
8d535eda3bbb0e0d35420aae74e6c2711e1a202b
Diameter
129499788
Circumference
406835582.62224
Area
1.3171280425109E+16
Volume
1.1371186818268E+24
Surface area
5.2685121700436E+16
Circumference
406835582.62224
Perimeter
258999576
Area
4192548773011236
Diagonal
91570178.25702
Surface area
25155292638067416
Volume
2.7146708864231E+23
Space diagonal
112150106.1927
Perimeter
194249682
Area
1.8154268720165E+15
Altitude
56075053.09635
Surface area
1.8154268720165E+15
Volume
3.1992703207991E+22
Height
30523392.75234