689997 is an odd 6-digits composite number following 689996
and preceding 689998 . In scientific notation, it is written as 6.89997 × 10^5.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 342720 positive integers (up to 689997) that are relatively prime to 689997.
689997 has 8 divisors, whose sum is 732160
The reverse of 689997 is 799986
Previous prime number is 319
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 48
Digital Root 3
Name
six hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
6.89997 × 10^5
Engineering notation
6.89997 × 10^3
Prime Factorization
21 × 319 × 103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
689997
Product of the distinct prime numbers
The prime factorization of 689997 is 21 × 319 × 103.
Since it has a total of 3 prime factors.
3 , 1 , 27 , 55 , 96 , 326 , 3322 , 3381 , 34339 , 33409 , 512055 , 548802 , 7782439 , 2857528 , 25571003 , 90976031 , 217972922 , 224011608 , 2689538804 , 6796083470
n×2
1379994
n×3
2069991
n×4
2759988
n×5
3449985
n÷2
344998.5
n÷3
229999
n÷3
172499.25
n÷5
137999.4
n2
476095860009
n3
328504715118629973
n4
2.2666726791771E+23
n5
1.5639973486142E+29
2 √n
830.66058050205
3 √n
88.365431157823
4 √n
28.821182843562
5 √n
14.715310843858
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
-689996
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 689997 can be divided by 8 positive divisors.
The sum of these divisors (counting 689997) is 1, the average is 0.125.
Base
System
Value
2
Binary
10101000011101001101
3
Ternary
1022001111110
4
Quaternary
2220131031
5
Quinary
134034442
6
Senary
22442233
8
Octal
2503515
10
Decimal
689997
12
Duodecimal
293379
16
Hexadecimal
a874d
20
Vigesimal
464jh
36
Base36
esel
md5
92f56418c57269ca0f9bc85b6261d100
sha1
60220d53203d7e1adab8c16726193bbb0682cdcc
sha256
2af6ab29e8d8fea87aa40d8a65ec339ecba0efec51e81a834632f696355ddda6
sha512
7577fd19569ff4fed7f4c3479cfd7be5ff0588da919db94037da40ed9f726c5e673ff048cecca853820b5b26488a67327dd598dba363e8504005abadc572eaf2
ripemd-160
4c3ae7d729f0dff80552a96ad5b3dc27d35145a3
Diameter
1379994
Circumference
4335379.012398
Area
1495699256208.8
Volume
1.3760373329151E+18
Surface area
5982797024835.2
Circumference
4335379.012398
Perimeter
2759988
Area
476095860009
Diagonal
975803.11539675
Surface area
2856575160054
Volume
328504715118629973
Space diagonal
1195109.8610701
Perimeter
2069991
Area
206155554702.2
Altitude
597554.93053505
Surface area
206155554702.2
Volume
3.8714651952023E+16
Height
325267.70513225