668889616 is an even 9-digits composite number following 668889615
and preceding 668889617 . In scientific notation, it is written as 6.68889616 × 10^8.
The sum of its digits is 58. It has a total of 6 prime factors and 20 positive divisors.
There are 314771456 positive integers (up to 668889616) that are relatively prime to 668889616.
668889616 has 20 divisors, whose sum is 1372207932
The reverse of 668889616 is 616988866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred sixty-eight million eight hundred eighty-nine thousand six hundred sixteen
Scientific notation
6.68889616 × 10^8
Engineering notation
6.68889616 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 2459153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
83611202
Product of the distinct prime numbers
The prime factorization of 668889616 is 2 × 2 × 2 × 2 × 17 × 2459153.
Since it has a total of 6 prime factors.
7 , 7 , 62 , 89 , 859 , 826 , 4031 , 2182 , 69414 , 16494 , 759930 , 401689 , 3292574 , 3040227 , 75468156 , 35447089 , 916640208 , 672940210 , 3615481529 , 3981882285
n×2
1337779232
n×3
2006668848
n×4
2675558464
n×5
3344448080
n÷2
334444808
n÷3
222963205.33333
n÷3
167222404
n÷5
133777923.2
n2
447413318392627456
n3
2.9927012273293E+26
n4
2.001786774751E+35
n5
1.3389743870771E+44
2 √n
25862.900378728
3 √n
874.5503500866
4 √n
160.81946517362
5 √n
58.219824343377
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 2459153 , 4918306 , 9836612 , 19673224 , 39346448 , 41805601 , 83611202 , 167222404 , 334444808 , 668889616
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668889615
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889616 can be divided by 20 positive divisors.
The sum of these divisors (counting 668889616) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111110111100111001000010000
3
Ternary
1201121122010001111
4
Quaternary
213313213020100
5
Quinary
2332213431431
6
Senary
150212343104
8
Octal
4767471020
10
Decimal
668889616
12
Duodecimal
168014a94
16
Hexadecimal
27de7210
20
Vigesimal
a90b40g
36
Base36
b28mj4
md5
acb667fb5c50fd7cac839afe502327c1
sha1
5dfa9b4aef32aa6b6d5c70135ba9fdb38b41cadf
sha256
49289a106e985eb3ff5322fa68e3ec7cbb1fd70c034cf401293a1edc7f760d64
sha512
e8669d6fd92eeadd5fa7d7466857cbdd8461f36a8e36c48f8e3157fec4eaa2ed79b378e6448ddfdf7b7f11355d3009addd4455d568ab760a7323f29f26a3b4d4
ripemd-160
4d904fb9c050576893b37a422ffe9c9c0a4a756c
Diameter
1337779232
Circumference
4202757407.3762
Area
1.4055903941805E+18
Volume
1.2535797586889E+27
Surface area
5.622361576722E+18
Circumference
4202757407.3762
Perimeter
2675558464
Area
447413318392627456
Diagonal
945952766.67773
Surface area
2684479910355764736
Volume
2.9927012273293E+26
Space diagonal
1158550799.5672
Perimeter
2006668848
Area
1.9373564985976E+17
Altitude
579275399.78362
Surface area
1.9373564985976E+17
Volume
3.5269322198498E+25
Height
315317588.89258