668839636 is an even 9-digits composite number following 668839635
and preceding 668839637 . In scientific notation, it is written as 6.68839636 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 18 positive divisors.
There are 314747520 positive integers (up to 668839636) that are relatively prime to 668839636.
668839636 has 18 divisors, whose sum is 1243372718
The reverse of 668839636 is 636938866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million eight hundred thirty-nine thousand six hundred thirty-six
Scientific notation
6.68839636 × 10^8
Engineering notation
6.68839636 × 10^6
Prime Factorization
2 × 2 × 17 × 17 × 578581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19671754
Product of the distinct prime numbers
The prime factorization of 668839636 is 2 × 2 × 17 × 17 × 578581.
Since it has a total of 5 prime factors.
4 , 4 , 62 , 83 , 542 , 391 , 4291 , 2297 , 45889 , 83471 , 789067 , 914075 , 352956 , 9381221 , 87954368 , 17410477 , 549118405 , 694466736 , 3061427491 , 9290170171
n×2
1337679272
n×3
2006518908
n×4
2675358544
n×5
3344198180
n÷2
334419818
n÷3
222946545.33333
n÷3
167209909
n÷5
133767927.2
n2
447346458684612496
n3
2.9920304259251E+26
n4
2.0011885409766E+35
n5
1.3384742153142E+44
2 √n
25861.93411174
3 √n
874.5285671625
4 √n
160.81646094769
5 √n
58.218954270431
1 , 2 , 4 , 17 , 34 , 68 , 289 , 578 , 1156 , 578581 , 1157162 , 2314324 , 9835877 , 19671754 , 39343508 , 167209909 , 334419818 , 668839636
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
-668839635
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 668839636 can be divided by 18 positive divisors.
The sum of these divisors (counting 668839636) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100111110111011010111011010100
3
Ternary
1201121112120111101
4
Quaternary
213313122323110
5
Quinary
2332210332021
6
Senary
150211315444
8
Octal
4767327324
10
Decimal
668839636
12
Duodecimal
167babb84
16
Hexadecimal
27ddaed4
20
Vigesimal
a904j1g
36
Base36
b27jys
md5
58710c425de37ee4c5914adc13e6e4f1
sha1
f065ea494aa2e6c72094ac1db5d56b3315a8c830
sha256
5be12f1722441509317f01f68be9a91f26373bed2e465d178a6c53027a1e4c60
sha512
cf53e1df4681d5ed6d1268431b75eb055381ead29f79bd27839b7d7188be9474f6c25dbc8af209b32315cae77e382c64c47ee336b7ca3ec4ab090c698163f1a0
ripemd-160
8447cb8738c4a591e327fe90e24a637eae8e486f
Diameter
1337679272
Circumference
4202443373.7745
Area
1.405380348213E+18
Volume
1.2532987740538E+27
Surface area
5.621521392852E+18
Circumference
4202443373.7745
Perimeter
2675358544
Area
447346458684612496
Diagonal
945882084.28388
Surface area
2684078752107674976
Volume
2.9920304259251E+26
Space diagonal
1158464231.6679
Perimeter
2006518908
Area
1.9370669875694E+17
Altitude
579232115.83394
Surface area
1.9370669875694E+17
Volume
3.5261416728135E+25
Height
315294028.09463