64505871 is an odd 8-digits composite number following 64505870
and preceding 64505872 . In scientific notation, it is written as 6.4505871 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 40474176 positive integers (up to 64505871) that are relatively prime to 64505871.
64505871 has 8 divisors, whose sum is 87694464
The reverse of 64505871 is 17850546
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-four million five hundred five thousand eight hundred seventy-one
Scientific notation
6.4505871 × 10^7
Engineering notation
6.4505871 × 10^6
Prime Factorization
3 × 51 × 421607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64505871
Product of the distinct prime numbers
The prime factorization of 64505871 is 3 × 51 × 421607.
Since it has a total of 3 prime factors.
1 , 3 , 77 , 72 , 560 , 752 , 4579 , 3807 , 88039 , 81787 , 122284 , 782887 , 1530829 , 799356 , 1933528 , 26035298 , 924936684 , 466852485 , 5386655137 , 6856248501
n×2
129011742
n×3
193517613
n×4
258023484
n×5
322529355
n÷2
32252935.5
n÷3
21501957
n÷3
16126467.75
n÷5
12901174.2
n2
4161007393468641
n3
2.6840940615313E+23
n4
1.7313982528501E+31
n5
1.1168535234797E+39
2 √n
8031.554706282
3 √n
401.05113329413
4 √n
89.618941671289
5 √n
36.468663594294
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
-64505870
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 64505871 can be divided by 8 positive divisors.
The sum of these divisors (counting 64505871) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110110000100100000001111
3
Ternary
11111101020102100
4
Quaternary
3312010200033
5
Quinary
113003141441
6
Senary
10222330143
8
Octal
366044017
10
Decimal
64505871
12
Duodecimal
19729953
16
Hexadecimal
3d8480f
20
Vigesimal
10334db
36
Base36
12el1r
md5
c5d7db75b633449969b1f31e7f67fe4b
sha1
f2a25ad0463ada73ed4f3dac398040cc820a7499
sha256
36219055a4bdc8fb9ebeff08856e74e7ae4ba279ceeda9c92d82083f126a1773
sha512
41994862dfc4266b1eaba1aaee3b7fc595c7a3fae1907a78de3723521e25104be5f5a5a8e6be1c792c82cf3fcb7d87310559a98d9270dccfdd3cf28065d71af7
ripemd-160
9aca46d9174b198e4183094e983164a852eb8b6e
Diameter
129011742
Circumference
405302340.89402
Area
1.3072190258854E+16
Volume
1.1243106913668E+24
Surface area
5.2288761035416E+16
Circumference
405302340.89402
Perimeter
258023484
Area
4161007393468641
Diagonal
91225077.620889
Surface area
24966044360811846
Volume
2.6840940615313E+23
Space diagonal
111727445.95848
Perimeter
193517613
Area
1.8017690540394E+15
Altitude
55863722.979242
Surface area
1.8017690540394E+15
Volume
3.1632351870856E+22
Height
30408359.206963