640624871 is an odd 9-digits composite number following 640624870
and preceding 640624872 . In scientific notation, it is written as 6.40624871 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 640428192 positive integers (up to 640624871) that are relatively prime to 640624871.
640624871 has 4 divisors, whose sum is 640821552
The reverse of 640624871 is 178426046
Previous prime number is 3313
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty million six hundred twenty-four thousand eight hundred seventy-one
Scientific notation
6.40624871 × 10^8
Engineering notation
6.40624871 × 10^6
Prime Factorization
3313 × 193367
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640624871
Product of the distinct prime numbers
The prime factorization of 640624871 is 3313 × 193367.
Since it has a total of 2 prime factors.
6 , 7 , 62 , 96 , 687 , 409 , 339 , 4764 , 55057 , 52375 , 556318 , 904328 , 772673 , 1621601 , 69902105 , 31682897 , 928391490 , 765531069 , 2087120329 , 7168529789
n×2
1281249742
n×3
1921874613
n×4
2562499484
n×5
3203124355
n÷2
320312435.5
n÷3
213541623.66667
n÷3
160156217.75
n÷5
128124974.2
n2
410400225343766641
n3
2.6291259141922E+26
n4
1.6842834496221E+35
n5
1.0789938676416E+44
2 √n
25310.568365803
3 √n
862.05425223291
4 √n
159.09295511054
5 √n
57.719260604573
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
-640624870
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 640624871 can be divided by 4 positive divisors.
The sum of these divisors (counting 640624871) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001011110010100011100111
3
Ternary
1122122110010010002
4
Quaternary
212023302203213
5
Quinary
2302444443441
6
Senary
143322451515
8
Octal
4613624347
10
Decimal
640624871
12
Duodecimal
15a663b9b
16
Hexadecimal
262f28e7
20
Vigesimal
a03i23b
36
Base36
aletbb
md5
f787ce7cedcafa45516e80a43b930ca2
sha1
45cc224fcfad60ada1b0376d7b9a8a38a897ac80
sha256
97dc944f11faea8b8bec09423bd8cf982df971144fe6766215cc570534ea517f
sha512
d1adf4c465606926247f27acd6d3320ebbf1ee4c8362971ea6390e19d1e50a1c62d8134b4718326c1f573aedd661288dae642b025261ade4d2c0bcdc0d6c9e55
ripemd-160
3b00cef00d4b64de661d6206e47e0e7b0b325d8a
Diameter
1281249742
Circumference
4025164776.881
Area
1.2893103329716E+18
Volume
1.1012856876518E+27
Surface area
5.1572413318863E+18
Circumference
4025164776.881
Perimeter
2562499484
Area
410400225343766641
Diagonal
905980380.96171
Surface area
2462401352062599846
Volume
2.6291259141922E+26
Space diagonal
1109594825.1643
Perimeter
1921874613
Area
1.7770851043328E+17
Altitude
554797412.58213
Surface area
1.7770851043328E+17
Volume
3.0984546041977E+25
Height
301993460.32057