8128581640 is an even 10-digits composite number following 8128581639
and preceding 8128581641 . In scientific notation, it is written as 8.128581640 × 10^9.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 3251432640 positive integers (up to 8128581640) that are relatively prime to 8128581640.
8128581640 has 16 divisors, whose sum is 18289308780
The reverse of 8128581640 is 0461858218
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
eight billion one hundred twenty-eight million five hundred eighty-one thousand six hundred forty
Scientific notation
8.128581640 × 10^9
Engineering notation
8.128581640 × 10^9
Prime Factorization
2 × 2 × 2 × 5 × 203214541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2032145410
Product of the distinct prime numbers
The prime factorization of 8128581640 is 2 × 2 × 2 × 5 × 203214541.
Since it has a total of 5 prime factors.
6 , 5 , 27 , 58 , 587 , 412 , 1728 , 8352 , 81543 , 29980 , 978018 , 299540 , 9516618 , 5733733 , 49799139 , 72948899 , 82439397 , 796529850 , 1833633234 , 1586095250
n×2
16257163280
n×3
24385744920
n×4
32514326560
n×5
40642908200
n÷2
4064290820
n÷3
2709527213.3333
n÷3
2032145410
n÷5
1625716328
n2
6.6073839478145E+19
n3
5.3708659846636E+29
n4
4.3657522633837E+39
n5
3.5487373692929E+49
2 √n
90158.647061721
3 √n
2010.658236765
4 √n
300.26429534948
5 √n
95.940715808938
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 203214541 , 406429082 , 812858164 , 1016072705 , 1625716328 , 2032145410 , 4064290820 , 8128581640
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
-8128581639
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 8128581640 can be divided by 16 positive divisors.
The sum of these divisors (counting 8128581640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100100000000101000000001000
3
Ternary
202222111100201202021
4
Quaternary
13210200011000020
5
Quinary
113121404103030
6
Senary
3422331414224
8
Octal
74440050010
10
Decimal
8128581640
12
Duodecimal
16aa2b4374
16
Hexadecimal
1e4805008
20
Vigesimal
6703ce20
36
Base36
3qfjpqg
md5
2076c02d95b1f4bc9813462c2ec7a5d4
sha1
0b5ea44c238768aa51786ef87a9c3c9fdc29fb77
sha256
c76978c71ae24de23a61ba117209e411df77413269fc478c2ba65f52c52c3eec
sha512
1bfc9e5f5a3533478f92b1264c03ef7ef355d3a19af8c92015396f0fe219ab2ec8b6401a1a0eec97971ad04f73b3a31c514b8ca19a2796199827bdb4d5d74269
ripemd-160
21a61f25c1e34af4b192ae2cfebc369b08e6c08b
Diameter
16257163280
Circumference
51073384728.658
Area
2.0757708869901E+20
Volume
2.2497430827779E+30
Surface area
8.3030835479605E+20
Circumference
51073384728.658
Perimeter
32514326560
Area
6.6073839478145E+19
Diagonal
11495550398.145
Surface area
3.9644303686887E+20
Volume
5.3708659846636E+29
Space diagonal
14079116393.952
Perimeter
24385744920
Area
2.8610811756824E+19
Altitude
7039558196.9758
Surface area
2.8610811756824E+19
Volume
6.329626264333E+28
Height
3831850132.715