640888916 is an even 9-digits composite number following 640888915
and preceding 640888917 . In scientific notation, it is written as 6.40888916 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 286863360 positive integers (up to 640888916) that are relatively prime to 640888916.
640888916 has 24 divisors, whose sum is 1159113984
The reverse of 640888916 is 619888046
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred forty million eight hundred eighty-eight thousand nine hundred sixteen
Scientific notation
6.40888916 × 10^8
Engineering notation
6.40888916 × 10^6
Prime Factorization
2 × 2 × 1003 × 31 × 5153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
320444458
Product of the distinct prime numbers
The prime factorization of 640888916 is 2 × 2 × 1003 × 31 × 5153.
Since it has a total of 5 prime factors.
6 , 5 , 20 , 92 , 132 , 234 , 3221 , 1384 , 24065 , 26741 , 645835 , 393787 , 2257005 , 9778561 , 49274662 , 67962087 , 665852679 , 865350401 , 178477028 , 2951249868
n×2
1281777832
n×3
1922666748
n×4
2563555664
n×5
3204444580
n÷2
320444458
n÷3
213629638.66667
n÷3
160222229
n÷5
128177783.2
n2
410738602651655056
n3
2.6323781781277E+26
n4
1.6870619970823E+35
n5
1.0812193345349E+44
2 √n
25315.783930189
3 √n
862.17267299145
4 √n
159.10934582918
5 √n
57.724017825475
1 , 2 , 4 , 31 , 62 , 124 , 1003 , 2006 , 4012 , 5153 , 10306 , 20612 , 31093 , 62186 , 124372 , 159743 , 319486 , 638972 , 5168459 , 10336918 , 20673836 , 160222229 , 320444458 , 640888916
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
-640888915
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 640888916 can be divided by 24 positive divisors.
The sum of these divisors (counting 640888916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001100110011000001010100
3
Ternary
1122122221112022112
4
Quaternary
212030303001110
5
Quinary
2303031421131
6
Senary
143332250152
8
Octal
4614630124
10
Decimal
640888916
12
Duodecimal
15a770958
16
Hexadecimal
26333054
20
Vigesimal
a05b25g
36
Base36
alkh1w
md5
966dc56d45b27e3becc45e428eddc735
sha1
8afa9df09f5120955b0b470bbd0e921b18d19da4
sha256
f06da7d61421d0ea0c7769b046f874e8b0264f6953579436bae7df2d29c2b11b
sha512
2f61b0c6ffdcabd96c23c374a8a90aa3e8d242403226054ac8773dc38724f504e512a5f43ab660ae70f9ab02d25662ad1727dd818edc746cea04c4f28cccfa42
ripemd-160
589b6de3c849f7e343754065931f55ef15f9ecbb
Diameter
1281777832
Circumference
4026823820.5455
Area
1.2903733766362E+18
Volume
1.1026479927835E+27
Surface area
5.1614935065447E+18
Circumference
4026823820.5455
Perimeter
2563555664
Area
410738602651655056
Diagonal
906353796.98179
Surface area
2464431615909930336
Volume
2.6323781781277E+26
Space diagonal
1110052164.5197
Perimeter
1922666748
Area
1.7785503210563E+17
Altitude
555026082.25987
Surface area
1.7785503210563E+17
Volume
3.1022874340027E+25
Height
302117932.32726