668743646 is an even 9-digits composite number following 668743645
and preceding 668743647 . In scientific notation, it is written as 6.68743646 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 314276760 positive integers (up to 668743646) that are relatively prime to 668743646.
668743646 has 16 divisors, whose sum is 1064232960
The reverse of 668743646 is 646347866
Previous prime number is 127
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-eight million seven hundred forty-three thousand six hundred forty-six
Scientific notation
6.68743646 × 10^8
Engineering notation
6.68743646 × 10^6
Prime Factorization
2 × 19 × 127 × 138571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668743646
Product of the distinct prime numbers
The prime factorization of 668743646 is 2 × 19 × 127 × 138571.
Since it has a total of 4 prime factors.
4 , 4 , 68 , 58 , 759 , 344 , 3778 , 8565 , 88572 , 80458 , 319789 , 976124 , 3605247 , 3394470 , 80266292 , 18862318 , 322084731 , 239907967 , 1361752011 , 6665017618
n×2
1337487292
n×3
2006230938
n×4
2674974584
n×5
3343718230
n÷2
334371823
n÷3
222914548.66667
n÷3
167185911.5
n÷5
133748729.2
n2
447218064065373316
n3
2.9907423872014E+26
n4
2.0000399682638E+35
n5
1.3375140205225E+44
2 √n
25860.078228807
3 √n
874.48672852691
4 √n
160.81069065459
5 √n
58.217283090088
1 , 2 , 19 , 38 , 127 , 254 , 2413 , 4826 , 138571 , 277142 , 2632849 , 5265698 , 17598517 , 35197034 , 334371823 , 668743646
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
-668743645
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 668743646 can be divided by 16 positive divisors.
The sum of these divisors (counting 668743646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111000011011111011110
3
Ternary
1201121100200211012
4
Quaternary
213313003133132
5
Quinary
2332144244041
6
Senary
150205255222
8
Octal
4767033736
10
Decimal
668743646
12
Duodecimal
167b64512
16
Hexadecimal
27dc37de
20
Vigesimal
a8jcj26
36
Base36
b25hwe
md5
c587e1db7879f0f88484704647dea865
sha1
17a105df15c67222788b4c34b8f6833c522dbcff
sha256
2656d983d0d0c0ba72471f6e6d35f259f5eaff8b5b20ed233320f2e90172e72f
sha512
020634473bf570df5032eab376627b12d904bad624f89ea1c767a891e4654d0b70897faa63501c14d012c7b576f3119b3f8b390cd68dc21c38004f65d95222b2
ripemd-160
25853e270ea6097b04f135f7cca8b9680dd72685
Diameter
1337487292
Circumference
4201840250.8169
Area
1.4049769846204E+18
Volume
1.2527592416549E+27
Surface area
5.6199079384817E+18
Circumference
4201840250.8169
Perimeter
2674974584
Area
447218064065373316
Diagonal
945746333.92403
Surface area
2683308384392239896
Volume
2.9907423872014E+26
Space diagonal
1158297972.1109
Perimeter
2006230938
Area
1.9365110225595E+17
Altitude
579148986.05543
Surface area
1.9365110225595E+17
Volume
3.5246237046202E+25
Height
315248777.97468