668889718 is an even 9-digits composite number following 668889717
and preceding 668889719 . In scientific notation, it is written as 6.68889718 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 255602304 positive integers (up to 668889718) that are relatively prime to 668889718.
668889718 has 16 divisors, whose sum is 1065024000
The reverse of 668889718 is 817988866
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-eight million eight hundred eighty-nine thousand seven hundred eighteen
Scientific notation
6.68889718 × 10^8
Engineering notation
6.68889718 × 10^6
Prime Factorization
2 × 119 × 19 × 147919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668889718
Product of the distinct prime numbers
The prime factorization of 668889718 is 2 × 119 × 19 × 147919.
Since it has a total of 4 prime factors.
1 , 4 , 58 , 47 , 534 , 959 , 5167 , 2608 , 59848 , 32364 , 987130 , 993929 , 9699188 , 468983 , 29453202 , 68736836 , 775975467 , 292475228 , 2705979526 , 1035851237
n×2
1337779436
n×3
2006669154
n×4
2675558872
n×5
3344448590
n÷2
334444859
n÷3
222963239.33333
n÷3
167222429.5
n÷5
133777943.6
n2
447413454846119524
n3
2.9927025964143E+26
n4
2.0017879957734E+35
n5
1.3389754079887E+44
2 √n
25862.902350664
3 √n
874.55039454044
4 √n
160.81947130452
5 √n
58.219826118983
1 , 2 , 19 , 38 , 119 , 238 , 2261 , 4522 , 147919 , 295838 , 2810461 , 5620922 , 17602361 , 35204722 , 334444859 , 668889718
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
-668889717
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 668889718 can be divided by 16 positive divisors.
The sum of these divisors (counting 668889718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111100111001001110110
3
Ternary
1201121122010012021
4
Quaternary
213313213021312
5
Quinary
2332213432333
6
Senary
150212343354
8
Octal
4767471166
10
Decimal
668889718
12
Duodecimal
168014b5a
16
Hexadecimal
27de7276
20
Vigesimal
a90b45i
36
Base36
b28mly
md5
71af3585cb05ba05855d19a0bc47178f
sha1
066043c4ad9b449be293350234c415910502d271
sha256
0f0e59f24433d1958f96c5941371e0fcb6ef06d7abb81bce3e504216ef392651
sha512
88bd504dc08123e0569a50f6dfc982d31cc14e18e62094482e9eaefa27e5b8bd3c14588146d2a66e93d78ee4190301a32a5cb37483ecb33e4fcd419937e18f99
ripemd-160
b43f4a8cc3d77d1c6417b87d93876f219e980d6e
Diameter
1337779436
Circumference
4202758048.2611
Area
1.4055908228618E+18
Volume
1.2535803321699E+27
Surface area
5.6223632914472E+18
Circumference
4202758048.2611
Perimeter
2675558872
Area
447413454846119524
Diagonal
945952910.92752
Surface area
2684480729076717144
Volume
2.9927025964143E+26
Space diagonal
1158550976.2364
Perimeter
2006669154
Area
1.9373570894585E+17
Altitude
579275488.11821
Surface area
1.9373570894585E+17
Volume
3.5269338333319E+25
Height
315317636.97584