689968121 is an odd 9-digits composite number following 689968120
and preceding 689968122 . In scientific notation, it is written as 6.89968121 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 689776500 positive integers (up to 689968121) that are relatively prime to 689968121.
689968121 has 4 divisors, whose sum is 690159744
The reverse of 689968121 is 121869986
Previous prime number is 3671
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred eighty-nine million nine hundred sixty-eight thousand one hundred twenty-one
Scientific notation
6.89968121 × 10^8
Engineering notation
6.89968121 × 10^6
Prime Factorization
3671 × 187951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
689968121
Product of the distinct prime numbers
The prime factorization of 689968121 is 3671 × 187951.
Since it has a total of 2 prime factors.
10 , 10 , 90 , 84 , 848 , 557 , 2994 , 1492 , 17919 , 6340 , 146502 , 92799 , 9000633 , 9852305 , 55665025 , 65945394 , 753829946 , 565342270 , 1958619728 , 2048375741
n×2
1379936242
n×3
2069904363
n×4
2759872484
n×5
3449840605
n÷2
344984060.5
n÷3
229989373.66667
n÷3
172492030.25
n÷5
137993624.2
n2
476056007996270641
n3
3.2846346932795E+26
n4
2.2662932274935E+35
n5
1.5636700798087E+44
2 √n
26267.244259724
3 √n
883.64198330777
4 √n
162.07172566405
5 √n
58.582217248577
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-689968120
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 689968121 can be divided by 4 positive divisors.
The sum of these divisors (counting 689968121) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001001000000001001111111001
3
Ternary
1210002022000022212
4
Quaternary
221020001033321
5
Quinary
2403112434441
6
Senary
152244224505
8
Octal
5110011771
10
Decimal
689968121
12
Duodecimal
17309b135
16
Hexadecimal
292013f9
20
Vigesimal
afc6061
36
Base36
beset5
md5
df42edf0d9fb3ba2c8b0bff29bac4a48
sha1
d233cb247737b4938fa9de55b5318ca514bbdb18
sha256
a3465346f205b881b171e87e1ccc63704336924bdb83259ab4dec129e6357c18
sha512
04f9cf0a38cfdcb3b0259e69f332598a964cecb5ef0c991111753337bfeea25dfbb5d7e7f7cdcbb78619f90de7c47856180e5f765f0cec872223f93e320762ad
ripemd-160
8d1cb9534d64fd5314023971c623f20797e8f1c1
Diameter
1379936242
Circumference
4335197560.2895
Area
1.4955740574184E+18
Volume
1.3758645629511E+27
Surface area
5.9822962296735E+18
Circumference
4335197560.2895
Perimeter
2759872484
Area
476056007996270641
Diagonal
975762274.32328
Surface area
2856336047977623846
Volume
3.2846346932795E+26
Space diagonal
1195059841.1748
Perimeter
2069904363
Area
2.0613829827449E+17
Altitude
597529920.58742
Surface area
2.0613829827449E+17
Volume
3.8709791088975E+25
Height
325254091.44109