668889388 is an even 9-digits composite number following 668889387
and preceding 668889389 . In scientific notation, it is written as 6.68889388 × 10^8.
The sum of its digits is 64. It has a total of 4 prime factors and 12 positive divisors.
There are 334273392 positive integers (up to 668889388) that are relatively prime to 668889388.
668889388 has 12 divisors, whose sum is 1171156000
The reverse of 668889388 is 883988866
Previous prime number is 83653
Is Prime? no Number parity even Number length 9 Sum of Digits 64 Digital Root 1
Name
six hundred sixty-eight million eight hundred eighty-nine thousand three hundred eighty-eight
Scientific notation
6.68889388 × 10^8
Engineering notation
6.68889388 × 10^6
Prime Factorization
2 × 2 × 83653 × 1999
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
334444694 Product of the distinct prime numbers
The prime factorization of 668889388 is 2 × 2 × 83653 × 1999.
Since it has a total of 4 prime factors.
5 , 2 , 65 , 46 , 396 , 418 , 8600 , 3974 , 48725 , 14410 , 642157 , 701457 , 385986 , 3152156 , 94096972 , 66166626 , 900628186 , 542618925 , 8514996842 , 5798283900
n×2
1337778776
n×3
2006668164
n×4
2675557552
n×5
3344446940
n÷2
334444694
n÷3
222963129.33333
n÷3
167222347
n÷5
133777877.6
n2
447413013379014544
n3
2.9926981670232E+26
n4
2.0017840454089E+35
n5
1.3389721050417E+44
2 √n25862.895970869
3 √n874.55025071919
4 √n160.81945146925
5 √n58.219820374375
1 , 2 , 4 , 1999 , 3998 , 7996 , 83653 , 167306 , 334612 , 167222347 , 334444694 , 668889388
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-668889387 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889388 can be divided by 12 positive divisors.
The sum of these divisors (counting 668889388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110111100111000100101100
3
Ternary
1201121122002202001
4
Quaternary
213313213010230
5
Quinary
2332213430023
6
Senary
150212342044
8
Octal
4767470454
10
Decimal
668889388
12
Duodecimal
168014924
16
Hexadecimal
27de712c
20
Vigesimal
a90b398
36
Base36
b28mcs
md5
b0feb6c40251382b57090dae6a600e9f
sha1
c01cedb9479ad988361c945f86f6ebb5d175e83e
sha256
415027fd298eb0fea9e0c20937d77ceca871b40a379c4b9becaba3c554cc4307
sha512
50b6416e746a147f22ba3c4e176f30b9a0841c6d7e929922b1432d3a05f46452066f1483a4ee59abdf2148e6f0b8b73a95c4d3a131610a0de1406290cc428e33
ripemd-160
e310172776f052d159f8ed6a3615fd314b6b8b67
Diameter
1337778776
Circumference
4202755974.8099
Area
1.405589435952E+18
Volume
1.2535784767909E+27
Surface area
5.6223577438079E+18
Circumference
4202755974.8099
Perimeter
2675557552
Area
447413013379014544
Diagonal
945952444.23704
Surface area
2684478080274087264
Volume
2.9926981670232E+26
Space diagonal
1158550404.6597
Perimeter
2006668164
Area
1.9373551778499E+17
Altitude
579275202.32983
Surface area
1.9373551778499E+17
Volume
3.5269286132445E+25
Height
315317481.41235