64495890 is an even 8-digits composite number following 64495889
and preceding 64495891 . In scientific notation, it is written as 6.4495890 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 17198880 positive integers (up to 64495890) that are relatively prime to 64495890.
64495890 has 24 divisors, whose sum is 167689548
The reverse of 64495890 is 09859446
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million four hundred ninety-five thousand eight hundred ninety
Scientific notation
6.4495890 × 10^7
Engineering notation
6.4495890 × 10^6
Prime Factorization
2 × 3 × 3 × 5 × 716621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21498630
Product of the distinct prime numbers
The prime factorization of 64495890 is 2 × 3 × 3 × 5 × 716621.
Since it has a total of 5 prime factors.
4 , 10 , 21 , 54 , 399 , 420 , 7052 , 9814 , 4642 , 87139 , 741183 , 343623 , 201337 , 7474115 , 62302413 , 10374850 , 957003586 , 358936830 , 973823222 , 5462768207
n×2
128991780
n×3
193487670
n×4
257983560
n×5
322479450
n÷2
32247945
n÷3
21498630
n÷3
16123972.5
n÷5
12899178
n2
4159719826892100
n3
2.6828483238605E+23
n4
1.7303269038239E+31
n5
1.1159897365307E+39
2 √n
8030.9333206048
3 √n
401.03044733292
4 √n
89.615474783124
5 √n
36.467534964431
1 , 2 , 3 , 5 , 6 , 9 , 10 , 15 , 18 , 30 , 45 , 90 , 716621 , 1433242 , 2149863 , 3583105 , 4299726 , 6449589 , 7166210 , 10749315 , 12899178 , 21498630 , 32247945 , 64495890
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64495889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64495890 can be divided by 24 positive divisors.
The sum of these divisors (counting 64495890) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110110000010000100010010
3
Ternary
11111100201201200
4
Quaternary
3312002010102
5
Quinary
113002332030
6
Senary
10222212030
8
Octal
366020422
10
Decimal
64495890
12
Duodecimal
19724016
16
Hexadecimal
3d82112
20
Vigesimal
1031jea
36
Base36
12edci
md5
b1caeabf75bc3e90226e0e5d65c58a32
sha1
2b10f73eee3d440b57224f879de31b62b985e5dc
sha256
e680b9dacadec003fae131266a45cb13efa4ab16863bb31ba65a65712682cc3f
sha512
1dff6ad40fd142575051f8947f51fe2ebfc3c0f1b5d036689040fd3e5728ec1d1e58d0d04bd8588e517908d194554b5c51ae12c6dd4c0ebae1535c6ccf16144a
ripemd-160
55d401c5fb6a765c2d6957006dc0fd94546d36e2
Diameter
128991780
Circumference
405239628.42147
Area
1.3068145249156E+16
Volume
1.1237888779915E+24
Surface area
5.2272580996624E+16
Circumference
405239628.42147
Perimeter
257983560
Area
4159719826892100
Diagonal
91210962.355323
Surface area
24958318961352600
Volume
2.6828483238605E+23
Space diagonal
111710158.35937
Perimeter
193487670
Area
1.8012115213572E+15
Altitude
55855079.179687
Surface area
1.8012115213572E+15
Volume
3.1617670711612E+22
Height
30403654.118441