668869493 is an odd 9-digits composite number following 668869492
and preceding 668869494 . In scientific notation, it is written as 6.68869493 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 664380288 positive integers (up to 668869493) that are relatively prime to 668869493.
668869493 has 4 divisors, whose sum is 673358700
The reverse of 668869493 is 394968866
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred sixty-eight million eight hundred sixty-nine thousand four hundred ninety-three
Scientific notation
6.68869493 × 10^8
Engineering notation
6.68869493 × 10^6
Prime Factorization
149 × 4489057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668869493
Product of the distinct prime numbers
The prime factorization of 668869493 is 149 × 4489057.
Since it has a total of 2 prime factors.
5 , 1 , 69 , 65 , 133 , 228 , 5136 , 22 , 91113 , 69807 , 712947 , 109352 , 9046159 , 4571928 , 42720897 , 91317205 , 771438952 , 667693621 , 5217763648 , 9605750509
n×2
1337738986
n×3
2006608479
n×4
2675477972
n×5
3344347465
n÷2
334434746.5
n÷3
222956497.66667
n÷3
167217373.25
n÷5
133773898.6
n2
447386398666077049
n3
2.9924311365087E+26
n4
2.001545897114E+35
n5
1.3387729894189E+44
2 √n
25862.511343642
3 √n
874.54157995336
4 √n
160.81825562927
5 √n
58.21947403995
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
-668869492
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 668869493 can be divided by 4 positive divisors.
The sum of these divisors (counting 668869493) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111100010001101110101
3
Ternary
1201121121002110012
4
Quaternary
213313202031311
5
Quinary
2332212310433
6
Senary
150212110005
8
Octal
4767421565
10
Decimal
668869493
12
Duodecimal
168005305
16
Hexadecimal
27de2375
20
Vigesimal
a908ded
36
Base36
b28705
md5
ea3308008ec49ab4b2a50b1dd33b3d1e
sha1
abd7b3475afd5e17f68fb7395828b3cba1657f8d
sha256
ee5262f2edb958d746c7e34d2236f3718b378be4da1468a310e437cb8f7a7d53
sha512
00f9dc6f004c812aa3b7e1b8a77cbd356896335333841af7fc5b4abd5f1ff7912ad1ee659c7c6ef74bf03592ffe0f2c4affea3e482f17093700eb01a3b17d33e
ripemd-160
6bae15977d26d6bf343447cbdc12237234b3a81e
Diameter
1337738986
Circumference
4202630970.8383
Area
1.4055058233653E+18
Volume
1.2534666233106E+27
Surface area
5.6220232934614E+18
Circumference
4202630970.8383
Perimeter
2675477972
Area
447386398666077049
Diagonal
945924308.45822
Surface area
2684318391996462294
Volume
2.9924311365087E+26
Space diagonal
1158515945.5088
Perimeter
2006608479
Area
1.9372399327623E+17
Altitude
579257972.75442
Surface area
1.9372399327623E+17
Volume
3.5266139147652E+25
Height
315308102.81941