668889243 is an odd 9-digits composite number following 668889242
and preceding 668889244 . In scientific notation, it is written as 6.68889243 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 367329600 positive integers (up to 668889243) that are relatively prime to 668889243.
668889243 has 16 divisors, whose sum is 911144736
The reverse of 668889243 is 342988866
Previous prime number is 253
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred forty-three
Scientific notation
6.68889243 × 10^8
Engineering notation
6.68889243 × 10^6
Prime Factorization
57 × 3 × 253 × 15461
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
668889243 Product of the distinct prime numbers
The prime factorization of 668889243 is 57 × 3 × 253 × 15461.
Since it has a total of 4 prime factors.
9 , 5 , 98 , 39 , 500 , 771 , 9087 , 8825 , 65211 , 14643 , 726348 , 893029 , 5140101 , 2582135 , 77334996 , 10983348 , 338061761 , 504597985 , 7036551082 , 7902060303
n×2
1337778486
n×3
2006667729
n×4
2675556972
n×5
3344446215
n÷2
334444621.5
n÷3
222963081
n÷3
167222310.75
n÷5
133777848.6
n2
447412819401113049
n3
2.9926962207771E+26
n4
2.0017823096445E+35
n5
1.3389706537489E+44
2 √n25862.893167625
3 √n874.55018752498
4 √n160.81944275375
5 √n58.219817850228
1 , 3 , 57 , 171 , 253 , 759 , 14421 , 15461 , 43263 , 46383 , 881277 , 2643831 , 3911633 , 11734899 , 222963081 , 668889243
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
-668889242 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 668889243 can be divided by 16 positive divisors.
The sum of these divisors (counting 668889243) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111100111000010011011
3
Ternary
1201121122002112200
4
Quaternary
213313213002123
5
Quinary
2332213423433
6
Senary
150212341243
8
Octal
4767470233
10
Decimal
668889243
12
Duodecimal
168014823
16
Hexadecimal
27de709b
20
Vigesimal
a90b323
36
Base36
b28m8r
md5
5ef3413b92d6b71c2bb6f2a2fe1e81c8
sha1
ee18593871ad6239642582c19a49ec43153d318b
sha256
58fd1ac8a34c0ba6648e86d6a304e48086497a46ff0b1dfb2e59257aedba8501
sha512
7a8865ce601b252bf78d0f17a759d81abb213688065b2344b6e9ef572f0e8a42a9f1f49961d200986315cda23ac640bb63ab4781c3427d8f8fc421db5216be09
ripemd-160
57737bdac35695762c09e60ff425d2e0949f48a9
Diameter
1337778486
Circumference
4202755063.7481
Area
1.4055888265524E+18
Volume
1.2535776615492E+27
Surface area
5.6223553062097E+18
Circumference
4202755063.7481
Perimeter
2675556972
Area
447412819401113049
Diagonal
945952239.17607
Surface area
2684476916406678294
Volume
2.9926962207771E+26
Space diagonal
1158550153.5123
Perimeter
2006667729
Area
1.9373543379009E+17
Altitude
579275076.75614
Surface area
1.9373543379009E+17
Volume
3.5269263195714E+25
Height
315317413.05869