668702988 is an even 9-digits composite number following 668702987
and preceding 668702989 . In scientific notation, it is written as 6.68702988 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 222900984 positive integers (up to 668702988) that are relatively prime to 668702988.
668702988 has 18 divisors, whose sum is 1690332644
The reverse of 668702988 is 889207866
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred sixty-eight million seven hundred two thousand nine hundred eighty-eight
Scientific notation
6.68702988 × 10^8
Engineering notation
6.68702988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 18575083
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
111450498 Product of the distinct prime numbers
The prime factorization of 668702988 is 2 × 2 × 3 × 3 × 18575083.
Since it has a total of 5 prime factors.
7 , 9 , 4 , 62 , 498 , 207 , 666 , 3754 , 5056 , 86912 , 101723 , 414257 , 7614145 , 5361291 , 50362887 , 92307075 , 340143958 , 267938800 , 4811564827 , 4357782922
n×2
1337405976
n×3
2006108964
n×4
2674811952
n×5
3343514940
n÷2
334351494
n÷3
222900996
n÷3
167175747
n÷5
133740597.6
n2
447163686160128144
n3
2.9901969306037E+26
n4
1.9995536222031E+35
n5
1.3371074818335E+44
2 √n25859.29210168
3 √n874.46900594009
4 √n160.80824637337
5 √n58.216575178805
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 18575083 , 37150166 , 55725249 , 74300332 , 111450498 , 167175747 , 222900996 , 334351494 , 668702988
18 divisors
τ Total Divisors
18 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-668702987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.055555555555556 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
18 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668702988 can be divided by 18 positive divisors.
The sum of these divisors (counting 668702988) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100111110110111001100100001100
3
Ternary
1201121021122001100
4
Quaternary
213312321210030
5
Quinary
2332141443423
6
Senary
150204343100
8
Octal
4766714414
10
Decimal
668702988
12
Duodecimal
167b44a90
16
Hexadecimal
27db990c
20
Vigesimal
a8j7h98
36
Base36
b24mj0
md5
d8c4c5843d3ee3f4e1395a3b7e1e3a95
sha1
e55ea99ea0b98c9d7ef975e3496699b1ef92fbe3
sha256
6527e6a2d8fe919a44d8c388a66f7a1b6fb164dd4b15d902361e4e7b00340f30
sha512
23494ed2d8b9617dcc02dee6aa9dba6841fe6b05004c37d618eb974eb597144088a0398608f9d411d4c445f9b22794b1b099e4f34d876bb1cd2f05b3b0050086
ripemd-160
c2140da262d3ceb546917262003bf632b547b2a8
Diameter
1337405976
Circumference
4201584789.0687
Area
1.4048061513928E+18
Volume
1.2525307613295E+27
Surface area
5.6192246055712E+18
Circumference
4201584789.0687
Perimeter
2674811952
Area
447163686160128144
Diagonal
945688834.82901
Surface area
2682982116960768864
Volume
2.9901969306037E+26
Space diagonal
1158227550.3891
Perimeter
2006108964
Area
1.9362755593228E+17
Altitude
579113775.19456
Surface area
1.9362755593228E+17
Volume
3.5239808778552E+25
Height
315229611.60967