668889613 is an odd 9-digits composite number following 668889612
and preceding 668889614 . In scientific notation, it is written as 6.68889613 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 565243056 positive integers (up to 668889613) that are relatively prime to 668889613.
668889613 has 16 divisors, whose sum is 775272960
The reverse of 668889613 is 316988866
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million eight hundred eighty-nine thousand six hundred thirteen
Scientific notation
6.68889613 × 10^8
Engineering notation
6.68889613 × 10^6
Prime Factorization
7 × 83 × 659 × 1747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668889613
Product of the distinct prime numbers
The prime factorization of 668889613 is 7 × 83 × 659 × 1747.
Since it has a total of 4 prime factors.
1 , 10 , 56 , 79 , 721 , 229 , 4284 , 1394 , 41297 , 80177 , 399383 , 866722 , 6610660 , 689128 , 66050573 , 99775510 , 736435231 , 452311280 , 4662069637 , 5884312293
n×2
1337779226
n×3
2006668839
n×4
2675558452
n×5
3344448065
n÷2
334444806.5
n÷3
222963204.33333
n÷3
167222403.25
n÷5
133777922.6
n2
447413314379289769
n3
2.9927011870621E+26
n4
2.0017867388386E+35
n5
1.3389743570503E+44
2 √n
25862.90032073
3 √n
874.55034877914
4 √n
160.8194649933
5 √n
58.219824291153
1 , 7 , 83 , 581 , 659 , 1747 , 4613 , 12229 , 54697 , 145001 , 382879 , 1015007 , 1151273 , 8058911 , 95555659 , 668889613
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
-668889612
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 668889613 can be divided by 16 positive divisors.
The sum of these divisors (counting 668889613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111100111001000001101
3
Ternary
1201121122010001101
4
Quaternary
213313213020031
5
Quinary
2332213431423
6
Senary
150212343101
8
Octal
4767471015
10
Decimal
668889613
12
Duodecimal
168014a91
16
Hexadecimal
27de720d
20
Vigesimal
a90b40d
36
Base36
b28mj1
md5
c8f288a54a2e45713b02d8ef7291b489
sha1
03fb7805a74f653074417ddf92f22e1028fc5809
sha256
e0f5591a56a9fe745cec02f822911c9e6d7bacd07a746fc3c8aad2d775c29e74
sha512
104caa8e6d08dbebaf90c7edefa4b88de8ea651e98e3ee810ec6da8a6d557e86f11243571e17200b873bf75af372e3c39c5da625a9dcccd186af73248aee10d5
ripemd-160
9f03d8dbced6b70094fbb7c02667cc7224aab15b
Diameter
1337779226
Circumference
4202757388.5266
Area
1.4055903815722E+18
Volume
1.2535797418218E+27
Surface area
5.6223615262889E+18
Circumference
4202757388.5266
Perimeter
2675558452
Area
447413314379289769
Diagonal
945952762.43509
Surface area
2684479886275738614
Volume
2.9927011870621E+26
Space diagonal
1158550794.3711
Perimeter
2006668839
Area
1.9373564812193E+17
Altitude
579275397.18554
Surface area
1.9373564812193E+17
Volume
3.5269321723944E+25
Height
315317587.47836