668702989 is an odd 9-digits composite number following 668702988
and preceding 668702990 . In scientific notation, it is written as 6.68702989 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 624027360 positive integers (up to 668702989) that are relatively prime to 668702989.
668702989 has 8 divisors, whose sum is 714796992
The reverse of 668702989 is 989207866
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million seven hundred two thousand nine hundred eighty-nine
Scientific notation
6.68702989 × 10^8
Engineering notation
6.68702989 × 10^6
Prime Factorization
23 × 41 × 709123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668702989
Product of the distinct prime numbers
The prime factorization of 668702989 is 23 × 41 × 709123.
Since it has a total of 3 prime factors.
6 , 1 , 34 , 27 , 366 , 766 , 7279 , 4700 , 58877 , 62405 , 272738 , 419175 , 2900105 , 4854772 , 12403146 , 3959815 , 423156837 , 541091573 , 8440821415 , 9540482206
n×2
1337405978
n×3
2006108967
n×4
2674811956
n×5
3343514945
n÷2
334351494.5
n÷3
222900996.33333
n÷3
167175747.25
n÷5
133740597.8
n2
447163687497534121
n3
2.9901969440186E+26
n4
1.9995536341639E+35
n5
1.3371074918312E+44
2 √n
25859.292121015
3 √n
874.469006376
4 √n
160.80824643349
5 √n
58.216575196217
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668702988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668702989 can be divided by 8 positive divisors.
The sum of these divisors (counting 668702989) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110110111001100100001101
3
Ternary
1201121021122001101
4
Quaternary
213312321210031
5
Quinary
2332141443424
6
Senary
150204343101
8
Octal
4766714415
10
Decimal
668702989
12
Duodecimal
167b44a91
16
Hexadecimal
27db990d
20
Vigesimal
a8j7h99
36
Base36
b24mj1
md5
a00a3e06495e95fe39a07b41e854b584
sha1
f433f6375a91efd39c160ee700ee48f922359ef3
sha256
3e6f803007401847a8f3484cd8ee263b30d6252e7e5398b6a0b907084c97f4e8
sha512
938adb91928d0f10f3328991de9e4df49be0c736dc09bd4b1e0c721093e738151d8e79945d9698af40bb48a667f87eab425fbd2d0e9bc1347f2476ced8386565
ripemd-160
2099781c29ffdd57cba34937c09d155b012b3e8d
Diameter
1337405978
Circumference
4201584795.3519
Area
1.4048061555944E+18
Volume
1.2525307669487E+27
Surface area
5.6192246223775E+18
Circumference
4201584795.3519
Perimeter
2674811956
Area
447163687497534121
Diagonal
945688836.24323
Surface area
2682982124985204726
Volume
2.9901969440186E+26
Space diagonal
1158227552.1212
Perimeter
2006108967
Area
1.936275565114E+17
Altitude
579113776.06059
Surface area
1.936275565114E+17
Volume
3.5239808936648E+25
Height
315229612.08108