668788385 is an odd 9-digits composite number following 668788384
and preceding 668788386 . In scientific notation, it is written as 6.68788385 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 535030704 positive integers (up to 668788385) that are relatively prime to 668788385.
668788385 has 4 divisors, whose sum is 802546068
The reverse of 668788385 is 583887866
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred sixty-eight million seven hundred eighty-eight thousand three hundred eighty-five
Scientific notation
6.68788385 × 10^8
Engineering notation
6.68788385 × 10^6
Prime Factorization
5 × 133757677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668788385
Product of the distinct prime numbers
The prime factorization of 668788385 is 5 × 133757677.
Since it has a total of 2 prime factors.
8 , 6 , 48 , 13 , 89 , 399 , 4564 , 7277 , 7010 , 18308 , 94142 , 776620 , 865346 , 4103841 , 17272710 , 57432599 , 290149968 , 891568377 , 6987625537 , 126112973
n×2
1337576770
n×3
2006365155
n×4
2675153540
n×5
3343941925
n÷2
334394192.5
n÷3
222929461.66667
n÷3
167197096.25
n÷5
133757677
n2
447277903910908225
n3
2.9913426700276E+26
n4
2.0005752332694E+35
n5
1.3379614793292E+44
2 √n
25860.943234925
3 √n
874.50622916793
4 √n
160.81338014893
5 √n
58.218062017363
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
-668788384
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 668788385 can be divided by 4 positive divisors.
The sum of these divisors (counting 668788385) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111001110011010100001
3
Ternary
1201121102222012012
4
Quaternary
213313032122201
5
Quinary
2332202212020
6
Senary
150210242305
8
Octal
4767163241
10
Decimal
668788385
12
Duodecimal
167b86395
16
Hexadecimal
27dce6a1
20
Vigesimal
a8jiaj5
36
Base36
b26gf5
md5
cf8010a1ec25cc9181b065848f139067
sha1
a9091f22738ae03e513098a6ca57dcfe17600498
sha256
ff73ea4e339cef650497fd0aaa3ffd989d922a7e3b5d4493dd93ff742df28213
sha512
06f7d00c635032faf685308bff4b53bdbf617b0a91a40ac7e184942b05ae04e3b4375a3c5e9323b25b59516a6d50aaae4c1e308004f88123d6d0ba8dd5c1a206
ripemd-160
b75cf0433b579ebe2af16edbf3652a18ee82b7bf
Diameter
1337576770
Circumference
4202121354.2444
Area
1.4051649770396E+18
Volume
1.2530106875371E+27
Surface area
5.6206599081582E+18
Circumference
4202121354.2444
Perimeter
2675153540
Area
447277903910908225
Diagonal
945809604.4246
Surface area
2683667423465449350
Volume
2.9913426700276E+26
Space diagonal
1158375462.3319
Perimeter
2006365155
Area
1.9367701366915E+17
Altitude
579187731.16597
Surface area
1.9367701366915E+17
Volume
3.5253311447153E+25
Height
315269868.14153