689968789 is an odd 9-digits composite number following 689968788
and preceding 689968790 . In scientific notation, it is written as 6.89968789 × 10^8.
The sum of its digits is 70. It has a total of 3 prime factors and 8 positive divisors.
There are 645927216 positive integers (up to 689968789) that are relatively prime to 689968789.
689968789 has 8 divisors, whose sum is 735287040
The reverse of 689968789 is 987869986
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 70
Digital Root 7
Name
six hundred eighty-nine million nine hundred sixty-eight thousand seven hundred eighty-nine
Scientific notation
6.89968789 × 10^8
Engineering notation
6.89968789 × 10^6
Prime Factorization
23 × 47 × 638269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
689968789
Product of the distinct prime numbers
The prime factorization of 689968789 is 23 × 47 × 638269.
Since it has a total of 3 prime factors.
4 , 5 , 74 , 89 , 275 , 949 , 5748 , 8903 , 32051 , 80360 , 219441 , 921208 , 7247075 , 3742009 , 99073470 , 16487165 , 176210269 , 616082439 , 1727949286 , 7727074262
n×2
1379937578
n×3
2069906367
n×4
2759875156
n×5
3449843945
n÷2
344984394.5
n÷3
229989596.33333
n÷3
172492197.25
n÷5
137993757.8
n2
476056929794126521
n3
3.2846442334511E+26
n4
2.2663020040501E+35
n5
1.5636776492427E+44
2 √n
26267.256975177
3 √n
883.64226847681
4 √n
162.07176489191
5 √n
58.582228591973
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
-689968788
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 689968789 can be divided by 8 positive divisors.
The sum of these divisors (counting 689968789) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001001000000001011010010101
3
Ternary
1210002022001020121
4
Quaternary
221020001122111
5
Quinary
2403113000124
6
Senary
152244231541
8
Octal
5110013225
10
Decimal
689968789
12
Duodecimal
17309b5b1
16
Hexadecimal
29201695
20
Vigesimal
afc61j9
36
Base36
besfbp
md5
17be53dfd72a8c7c7abd2ca0cf5f20f5
sha1
cbd93527dc18b74d465e9b8b1ff90decfb65f543
sha256
09df2a15f912b9ddb5abf3b8b22f032e2f15c0f5769d7bae45ccadd04d0dfe2d
sha512
cbf8b82d93d4d03069627424622827012e81c402584d963a9e71bfbf5af171abcdc900d10aaa8e55e3a3c570da5151ed1cd578967554be5b6c55e0749d29fe21
ripemd-160
848d898d3cf22c56ba09e6eb74831268b1128b3a
Diameter
1379937578
Circumference
4335201757.4573
Area
1.4955769533317E+18
Volume
1.3758685591288E+27
Surface area
5.982307813327E+18
Circumference
4335201757.4573
Perimeter
2759875156
Area
476056929794126521
Diagonal
975763219.01794
Surface area
2856341578764759126
Volume
3.2846442334511E+26
Space diagonal
1195060998.1848
Perimeter
2069906367
Area
2.0613869742467E+17
Altitude
597530499.09239
Surface area
2.0613869742467E+17
Volume
3.8709903520976E+25
Height
325254406.33931