640901056 is an even 9-digits composite number following 640901055
and preceding 640901057 . In scientific notation, it is written as 6.40901056 × 10^8.
The sum of its digits is 31. It has a total of 7 prime factors and 14 positive divisors.
There are 320450496 positive integers (up to 640901056) that are relatively prime to 640901056.
640901056 has 14 divisors, whose sum is 1271788160
The reverse of 640901056 is 650109046
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty million nine hundred one thousand fifty-six
Scientific notation
6.40901056 × 10^8
Engineering notation
6.40901056 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 10014079
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
20028158
Product of the distinct prime numbers
The prime factorization of 640901056 is 2 × 2 × 2 × 2 × 2 × 2 × 10014079.
Since it has a total of 7 prime factors.
4 , 8 , 14 , 48 , 626 , 208 , 4691 , 3028 , 98010 , 28777 , 369185 , 549852 , 4962804 , 6469597 , 79590698 , 7721521 , 740058951 , 728257775 , 6131905680 , 8325938273
n×2
1281802112
n×3
1922703168
n×4
2563604224
n×5
3204505280
n÷2
320450528
n÷3
213633685.33333
n÷3
160225264
n÷5
128180211.2
n2
410754163581915136
n3
2.6325277719605E+26
n4
1.6871898289988E+35
n5
1.0813217430778E+44
2 √n
25316.023700416
3 √n
862.17811684186
4 √n
159.11009930364
5 √n
57.724236510569
1 , 2 , 4 , 8 , 16 , 32 , 64 , 10014079 , 20028158 , 40056316 , 80112632 , 160225264 , 320450528 , 640901056
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640901055
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640901056 can be divided by 14 positive divisors.
The sum of these divisors (counting 640901056) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100110001100110101111111000000
3
Ternary
1122122222010222011
4
Quaternary
212030311333000
5
Quinary
2303032313211
6
Senary
143332422304
8
Octal
4614657700
10
Decimal
640901056
12
Duodecimal
15a777994
16
Hexadecimal
26335fc0
20
Vigesimal
a05cccg
36
Base36
alkqf4
md5
4226650af8fc5865f1f74ab9205a8f19
sha1
6ad85991017801951a05f2ee82bd398acf7813c2
sha256
b66b43be28dd3fe9bcef62c2814b2b3845645933bc23e7d799dfb7b8b212cb6a
sha512
c1374be87de7a7f7e17fdbdaedd3938cec9ab0713775ec78d3ba01355e0cb0fb170337ec1ea929fd20490d9117a7ae91b39cf7b7f10559b8bc3aba364474c01e
ripemd-160
fc6ab8ddd7eeb69fcd7518b75f185e9145fdd341
Diameter
1281802112
Circumference
4026900098.4151
Area
1.2904222627404E+18
Volume
1.1027106545016E+27
Surface area
5.1616890509615E+18
Circumference
4026900098.4151
Perimeter
2563604224
Area
410754163581915136
Diagonal
906370965.53444
Surface area
2464524981491490816
Volume
2.6325277719605E+26
Space diagonal
1110073191.6165
Perimeter
1922703168
Area
1.7786177018608E+17
Altitude
555036595.80827
Surface area
1.7786177018608E+17
Volume
3.1024637320253E+25
Height
302123655.17815