686991243 is an odd 9-digits composite number following 686991242
and preceding 686991244 . In scientific notation, it is written as 6.86991243 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 450996000 positive integers (up to 686991243) that are relatively prime to 686991243.
686991243 has 16 divisors, whose sum is 930016512
The reverse of 686991243 is 342199686
Previous prime number is 1181
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred eighty-six million nine hundred ninety-one thousand two hundred forty-three
Scientific notation
6.86991243 × 10^8
Engineering notation
6.86991243 × 10^6
Prime Factorization
3 × 71 × 1181 × 2731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
686991243
Product of the distinct prime numbers
The prime factorization of 686991243 is 3 × 71 × 1181 × 2731.
Since it has a total of 4 prime factors.
10 , 7 , 10 , 78 , 626 , 962 , 4715 , 3168 , 38038 , 46948 , 29617 , 919412 , 2226109 , 3705437 , 35040555 , 44140918 , 950222971 , 592223976 , 9354975462 , 29945683
n×2
1373982486
n×3
2060973729
n×4
2747964972
n×5
3434956215
n÷2
343495621.5
n÷3
228997081
n÷3
171747810.75
n÷5
137398248.6
n2
471956967958685049
n3
3.2423030406045E+26
n4
2.2274337960476E+35
n5
1.5302275122469E+44
2 √n
26210.517793436
3 √n
882.36932229797
4 √n
161.89662687479
5 √n
58.531579006939
1 , 3 , 71 , 213 , 1181 , 2731 , 3543 , 8193 , 83851 , 193901 , 251553 , 581703 , 3225311 , 9675933 , 228997081 , 686991243
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686991242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686991243 can be divided by 16 positive divisors.
The sum of these divisors (counting 686991243) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111100101010011110001011
3
Ternary
1202212200202211010
4
Quaternary
220330222132023
5
Quinary
2401332204433
6
Senary
152100335003
8
Octal
5074523613
10
Decimal
686991243
12
Duodecimal
1720a4463
16
Hexadecimal
28f2a78b
20
Vigesimal
aeddi23
36
Base36
bd0lu3
md5
44f84871acafbd24e873c83cd53c4daa
sha1
0728581cf8e16b52c1e10f721b49afc125b1be63
sha256
41b7f17c0a333a35c8e45ab78008638862e529a6a024dfb80d2e2f01bbd64586
sha512
0487d671215b9af926ce812f4285ea430119a3b6bb7ebddfc7c19d6e5d3a54e5877a022418dd2efe151bab089ad78593bd2c2a0ecc63f4e10ce6f84afb4a1076
ripemd-160
b47b404f71784eb30bca8a987502866e34803329
Diameter
1373982486
Circumference
4316493284.1786
Area
1.4826965433495E+18
Volume
1.3581327217433E+27
Surface area
5.9307861733981E+18
Circumference
4316493284.1786
Perimeter
2747964972
Area
471956967958685049
Diagonal
971552333.08215
Surface area
2831741807752110294
Volume
3.2423030406045E+26
Space diagonal
1189903737.2309
Perimeter
2060973729
Area
2.0436336187265E+17
Altitude
594951868.61545
Surface area
2.0436336187265E+17
Volume
3.8210907777887E+25
Height
323850777.69405