640947406 is an even 9-digits composite number following 640947405
and preceding 640947407 . In scientific notation, it is written as 6.40947406 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 276004080 positive integers (up to 640947406) that are relatively prime to 640947406.
640947406 has 16 divisors, whose sum is 1020393360
The reverse of 640947406 is 604749046
Previous prime number is 121
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty million nine hundred forty-seven thousand four hundred six
Scientific notation
6.40947406 × 10^8
Engineering notation
6.40947406 × 10^6
Prime Factorization
2 × 19 × 121 × 139397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640947406
Product of the distinct prime numbers
The prime factorization of 640947406 is 2 × 19 × 121 × 139397.
Since it has a total of 4 prime factors.
6 , 10 , 83 , 43 , 317 , 379 , 4047 , 9297 , 71401 , 81802 , 403282 , 897796 , 9795551 , 3338443 , 69674282 , 5293717 , 687827850 , 928965978 , 8279484648 , 5384397604
n×2
1281894812
n×3
1922842218
n×4
2563789624
n×5
3204737030
n÷2
320473703
n÷3
213649135.33333
n÷3
160236851.5
n÷5
128189481.2
n2
410813577258128836
n3
2.6330989669318E+26
n4
1.6876779525962E+35
n5
1.0817128058799E+44
2 √n
25316.939111986
3 √n
862.19890059728
4 √n
159.11297593844
5 √n
57.725071410416
1 , 2 , 19 , 38 , 121 , 242 , 2299 , 4598 , 139397 , 278794 , 2648543 , 5297086 , 16867037 , 33734074 , 320473703 , 640947406
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
-640947405
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 640947406 can be divided by 16 positive divisors.
The sum of these divisors (counting 640947406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001101000001010011001110
3
Ternary
1122200001111112211
4
Quaternary
212031001103032
5
Quinary
2303040304111
6
Senary
143333421034
8
Octal
4615012316
10
Decimal
640947406
12
Duodecimal
15a79a77a
16
Hexadecimal
263414ce
20
Vigesimal
a05i8a6
36
Base36
allq6m
md5
22b158df26fc0a3432c08803e2342ea7
sha1
da904161e6125f8344cee2eb7b73f7c2a3e4d022
sha256
8286bb040f098c8b9ca09fc307723d651ba7382526939a006d92e3768dd0c290
sha512
ee6f228497ba20f7040bde9b9a2f9b49449f364cb3e3c379a529b720a318fe6530ee2e00224aea3223a975fb7541da2aad73e7f6fba2ae4787aec8415dbac7e1
ripemd-160
06aea3eed518c80033101b8b20f9d0b98c4ac429
Diameter
1281894812
Circumference
4027191324.0541
Area
1.2906089163091E+18
Volume
1.1029499160917E+27
Surface area
5.1624356652363E+18
Circumference
4027191324.0541
Perimeter
2563789624
Area
410813577258128836
Diagonal
906436514.33305
Surface area
2464881463548773016
Volume
2.6330989669318E+26
Space diagonal
1110153472.1715
Perimeter
1922842218
Area
1.7788749706255E+17
Altitude
555076736.08574
Surface area
1.7788749706255E+17
Volume
3.1031368917546E+25
Height
302145504.77768