686990045 is an odd 9-digits composite number following 686990044
and preceding 686990046 . In scientific notation, it is written as 6.86990045 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 471078720 positive integers (up to 686990045) that are relatively prime to 686990045.
686990045 has 8 divisors, whose sum is 841212600
The reverse of 686990045 is 540099686
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred eighty-six million nine hundred ninety thousand forty-five
Scientific notation
6.86990045 × 10^8
Engineering notation
6.86990045 × 10^6
Prime Factorization
5 × 49 × 2804041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
686990045
Product of the distinct prime numbers
The prime factorization of 686990045 is 5 × 49 × 2804041.
Since it has a total of 3 prime factors.
3 , 7 , 76 , 31 , 634 , 246 , 3322 , 6357 , 93526 , 6806 , 162047 , 432154 , 7497783 , 6732574 , 31647975 , 39398970 , 499787167 , 901166785 , 8166401015 , 7238057044
n×2
1373980090
n×3
2060970135
n×4
2747960180
n×5
3434950225
n÷2
343495022.5
n÷3
228996681.66667
n÷3
171747511.25
n÷5
137398009
n2
471955321929102025
n3
3.2422860785006E+26
n4
2.227418258972E+35
n5
1.530214169965E+44
2 √n
26210.494940004
3 √n
882.36880939523
4 √n
161.89655629446
5 √n
58.53155859303
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
-686990044
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 686990045 can be divided by 8 positive divisors.
The sum of these divisors (counting 686990045) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111100101010001011011101
3
Ternary
1202212200201011202
4
Quaternary
220330222023131
5
Quinary
2401332140140
6
Senary
152100325245
8
Octal
5074521335
10
Decimal
686990045
12
Duodecimal
1720a3825
16
Hexadecimal
28f2a2dd
20
Vigesimal
aeddf25
36
Base36
bd0kwt
md5
c28e65db5c93398915ce7888760536f5
sha1
5fa7c10d675d2007c5ff49d4d6eb8569d40e4021
sha256
8b9e73df82f9dd0f2d8b4402ba2fa92719620c9f778832fea5c7e7c2fde6b416
sha512
49a39d8be43560a44d348f47f4e858a2c2c44373861c9a2be9cd3781fed5793e3e7bc7af5accd910a7d9c7a3f93e85455f63167fa4ca94c5a6743b9e0fb87fed
ripemd-160
682586d40f3792c6db8b959eeb166e877b0ac117
Diameter
1373980090
Circumference
4316485756.9226
Area
1.4826913721951E+18
Volume
1.3581256166739E+27
Surface area
5.9307654887803E+18
Circumference
4316485756.9226
Perimeter
2747960180
Area
471955321929102025
Diagonal
971550638.8543
Surface area
2831731931574612150
Volume
3.2422860785006E+26
Space diagonal
1189901662.234
Perimeter
2060970135
Area
2.0436264912093E+17
Altitude
594950831.11701
Surface area
2.0436264912093E+17
Volume
3.8210707877576E+25
Height
323850212.95143