668996840 is an even 9-digits composite number following 668996839
and preceding 668996841 . In scientific notation, it is written as 6.68996840 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 16 positive divisors.
There are 253514304 positive integers (up to 668996840) that are relatively prime to 668996840.
668996840 has 16 divisors, whose sum is 1267574400
The reverse of 668996840 is 048699866
Previous prime number is 95
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-eight million nine hundred ninety-six thousand eight hundred forty
Scientific notation
6.68996840 × 10^8
Engineering notation
6.68996840 × 10^6
Prime Factorization
2 × 2 × 2 × 95 × 880259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
167249210
Product of the distinct prime numbers
The prime factorization of 668996840 is 2 × 2 × 2 × 95 × 880259.
Since it has a total of 5 prime factors.
9 , 7 , 81 , 78 , 768 , 800 , 4946 , 593 , 34195 , 92883 , 564366 , 836397 , 5405372 , 497547 , 44585250 , 27407449 , 795172034 , 195176782 , 5238569749 , 1779128510
n×2
1337993680
n×3
2006990520
n×4
2675987360
n×5
3344984200
n÷2
334498420
n÷3
222998946.66667
n÷3
167249210
n÷5
133799368
n2
447556771929985600
n3
2.9941406614176E+26
n4
2.0030706410039E+35
n5
1.3400479291284E+44
2 √n
25864.973226354
3 √n
874.59707816366
4 √n
160.82590968608
5 √n
58.221690768586
1 , 2 , 4 , 8 , 95 , 190 , 380 , 760 , 880259 , 1760518 , 3521036 , 7042072 , 83624605 , 167249210 , 334498420 , 668996840
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
-668996839
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 668996840 can be divided by 16 positive divisors.
The sum of these divisors (counting 668996840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111111000000001010011101000
3
Ternary
1201121211120010202
4
Quaternary
213320001103220
5
Quinary
2332230344330
6
Senary
150214531332
8
Octal
4770012350
10
Decimal
668996840
12
Duodecimal
168066b48
16
Hexadecimal
27e014e8
20
Vigesimal
a914c20
36
Base36
b2ax9k
md5
c4a2bb7971f93d8be58bc3258a278a2f
sha1
4e2bf18b4b29b6cb27f52b2f6841bd25636faed2
sha256
ac866b65e900897756d39a62972cf5e7ff40595657e4cdb176b9efdc287321c7
sha512
4f33f3e1378965c72101c1f9d515490def143f9db532c2391c0c3eb513163a79c1aa28a743496e71af80a51d2661b708bf3950a3335233ea3fc5f704ca31841e
ripemd-160
75565f56f0e5ac57a7df78ea717a6c0c3b58a179
Diameter
1337993680
Circumference
4203431115.6376
Area
1.4060410667596E+18
Volume
1.2541827074299E+27
Surface area
5.6241642670384E+18
Circumference
4203431115.6376
Perimeter
2675987360
Area
447556771929985600
Diagonal
946104404.31274
Surface area
2685340631579913600
Volume
2.9941406614176E+26
Space diagonal
1158736516.983
Perimeter
2006990520
Area
1.9379776706356E+17
Altitude
579368258.49151
Surface area
1.9379776706356E+17
Volume
3.5286286091913E+25
Height
315368134.77091