668889730 is an even 9-digits composite number following 668889729
and preceding 668889731 . In scientific notation, it is written as 6.68889730 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 267415792 positive integers (up to 668889730) that are relatively prime to 668889730.
668889730 has 16 divisors, whose sum is 1204632000
The reverse of 668889730 is 037988866
Previous prime number is 2027
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million eight hundred eighty-nine thousand seven hundred thirty
Scientific notation
6.68889730 × 10^8
Engineering notation
6.68889730 × 10^6
Prime Factorization
2 × 5 × 2027 × 32999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668889730
Product of the distinct prime numbers
The prime factorization of 668889730 is 2 × 5 × 2027 × 32999.
Since it has a total of 4 prime factors.
5 , 10 , 57 , 95 , 490 , 974 , 8957 , 5926 , 5383 , 70542 , 635253 , 308496 , 5988473 , 7076828 , 93900190 , 65259537 , 145951365 , 847929092 , 9658829296 , 892657008
n×2
1337779460
n×3
2006669190
n×4
2675558920
n×5
3344448650
n÷2
334444865
n÷3
222963243.33333
n÷3
167222432.5
n÷5
133777946
n2
447413470899472900
n3
2.9927027574831E+26
n4
2.0017881394231E+35
n5
1.3389755280959E+44
2 √n
25862.902582657
3 √n
874.55039977031
4 √n
160.8194720258
5 √n
58.219826327878
1 , 2 , 5 , 10 , 2027 , 4054 , 10135 , 20270 , 32999 , 65998 , 164995 , 329990 , 66888973 , 133777946 , 334444865 , 668889730
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668889729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889730 can be divided by 16 positive divisors.
The sum of these divisors (counting 668889730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111100111001010000010
3
Ternary
1201121122010012201
4
Quaternary
213313213022002
5
Quinary
2332213432410
6
Senary
150212343414
8
Octal
4767471202
10
Decimal
668889730
12
Duodecimal
168014b6a
16
Hexadecimal
27de7282
20
Vigesimal
a90b46a
36
Base36
b28mma
md5
ead2d00c168f55c9e397541354c3e8c8
sha1
5adf71ca7826880a91ee37f7d72236e642bca50d
sha256
ed9d286b879586330aca318550a275d5d40fd3b8409bbdfb74b10c7537e1ecdc
sha512
2b9d07e45dd8b1e303dd8198a34d199f875ccfb57a8c6d9a39623603c1bf32ba53a5364b4e6916296d6254b5936156eee5401c5c43e361299e5b8e6a10d2c102
ripemd-160
033ccd7e21467da8e92da26df7b995bd0348ff48
Diameter
1337779460
Circumference
4202758123.6593
Area
1.4055908732949E+18
Volume
1.2535803996382E+27
Surface area
5.6223634931796E+18
Circumference
4202758123.6593
Perimeter
2675558920
Area
447413470899472900
Diagonal
945952927.89808
Surface area
2684480825396837400
Volume
2.9927027574831E+26
Space diagonal
1158550997.021
Perimeter
2006669190
Area
1.9373571589716E+17
Altitude
579275498.51051
Surface area
1.9373571589716E+17
Volume
3.5269340231533E+25
Height
315317642.63269