64749887 is an odd 8-digits composite number following 64749886
and preceding 64749888 . In scientific notation, it is written as 6.4749887 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 64315176 positive integers (up to 64749887) that are relatively prime to 64749887.
64749887 has 4 divisors, whose sum is 65184600
The reverse of 64749887 is 78894746
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-four million seven hundred forty-nine thousand eight hundred eighty-seven
Scientific notation
6.4749887 × 10^7
Engineering notation
6.4749887 × 10^6
Prime Factorization
149 × 434563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64749887
Product of the distinct prime numbers
The prime factorization of 64749887 is 149 × 434563.
Since it has a total of 2 prime factors.
3 , 10 , 8 , 25 , 607 , 8 , 7555 , 6190 , 44993 , 85753 , 158352 , 965126 , 62030 , 6337932 , 45108549 , 95403315 , 402751840 , 540686253 , 8094353735 , 3014948464
n×2
129499774
n×3
194249661
n×4
258999548
n×5
323749435
n÷2
32374943.5
n÷3
21583295.666667
n÷3
16187471.75
n÷5
12949977.4
n2
4192547866512769
n3
2.7146700059879E+23
n4
1.7577457613001E+31
n5
1.1381383941891E+39
2 √n
8046.7314482341
3 √n
401.55620231762
4 √n
89.703575448441
5 √n
36.49621303258
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
-64749886
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 64749887 can be divided by 4 positive divisors.
The sum of these divisors (counting 64749887) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110111000000000100111111
3
Ternary
11111211122010222
4
Quaternary
3313000010333
5
Quinary
113033444022
6
Senary
10231451555
8
Octal
367000477
10
Decimal
64749887
12
Duodecimal
19826bbb
16
Hexadecimal
3dc013f
20
Vigesimal
104dee7
36
Base36
12jtbz
md5
97bb2b3bd515d75ce19a27b0242ecfba
sha1
e8de9fc029752a1b84cb7dfb2e144b85deb5a12f
sha256
fa2230e3ff010f5ef2316e5e996dbfc6a399762c35e3fd1d6132969e33873e7e
sha512
d5eb2c5526cc23b443e07e605583c9d3fd545539b9f88fe921bb352ef23ad26bc965438726304f91443c1c713b151b597d17184f7002ff96888b122f38f79b8c
ripemd-160
132c1e7661e6cc746701827c430e43927c19108b
Diameter
129499774
Circumference
406835538.63994
Area
1.317127757726E+16
Volume
1.137118313031E+24
Surface area
5.268511030904E+16
Circumference
406835538.63994
Perimeter
258999548
Area
4192547866512769
Diagonal
91570168.357525
Surface area
25155287199076614
Volume
2.7146700059879E+23
Space diagonal
112150094.06834
Perimeter
194249661
Area
1.8154264794912E+15
Altitude
56075047.034172
Surface area
1.8154264794912E+15
Volume
3.1992692831963E+22
Height
30523389.452508