668889245 is an odd 9-digits composite number following 668889244
and preceding 668889246 . In scientific notation, it is written as 6.68889245 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 531827856 positive integers (up to 668889245) that are relatively prime to 668889245.
668889245 has 8 divisors, whose sum is 807592416
The reverse of 668889245 is 542988866
Previous prime number is 820723
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred forty-five
Scientific notation
6.68889245 × 10^8
Engineering notation
6.68889245 × 10^6
Prime Factorization
5 × 820723 × 163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668889245
Product of the distinct prime numbers
The prime factorization of 668889245 is 5 × 820723 × 163.
Since it has a total of 3 prime factors.
8 , 7 , 52 , 46 , 862 , 406 , 3477 , 2472 , 21679 , 18387 , 320844 , 368300 , 153001 , 4624380 , 50958113 , 78251642 , 163930028 , 842549259 , 5478176492 , 9192213168
n×2
1337778490
n×3
2006667735
n×4
2675556980
n×5
3344446225
n÷2
334444622.5
n÷3
222963081.66667
n÷3
167222311.25
n÷5
133777849
n2
447412822076670025
n3
2.9926962476218E+26
n4
2.0017823335861E+35
n5
1.3389706737667E+44
2 √n
25862.893206291
3 √n
874.55018839663
4 √n
160.81944287396
5 √n
58.219817885044
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
-668889244
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 668889245 can be divided by 8 positive divisors.
The sum of these divisors (counting 668889245) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111100111000010011101
3
Ternary
1201121122002112202
4
Quaternary
213313213002131
5
Quinary
2332213423440
6
Senary
150212341245
8
Octal
4767470235
10
Decimal
668889245
12
Duodecimal
168014825
16
Hexadecimal
27de709d
20
Vigesimal
a90b325
36
Base36
b28m8t
md5
8d04badd076e16fe9cf1aa41667a67d8
sha1
6e53f16111292a9ec028723b66c6b5c69dfbd67b
sha256
775a4103f8a5c5952cf70ca4a55d5850141190c362c46ea431691a13f75c4c07
sha512
ac18ed2d1abe4f1bce7d94129df7e92147a87fc1f7e35372f4233a845fc3d3fec1acbf968d6cc17b037829b73e5d775aabcfe0e2ecf06c11b0b19e60e41fda3b
ripemd-160
9605b89ee6b574b04071d52944c288a4922dba9f
Diameter
1337778490
Circumference
4202755076.3144
Area
1.4055888349579E+18
Volume
1.2535776727939E+27
Surface area
5.6223553398318E+18
Circumference
4202755076.3144
Perimeter
2675556980
Area
447412822076670025
Diagonal
945952242.0045
Surface area
2684476932460020150
Volume
2.9926962476218E+26
Space diagonal
1158550156.9764
Perimeter
2006667735
Area
1.9373543494864E+17
Altitude
579275078.48819
Surface area
1.9373543494864E+17
Volume
3.5269263512082E+25
Height
315317414.0015