686993808 is an even 9-digits composite number following 686993807
and preceding 686993809 . In scientific notation, it is written as 6.86993808 × 10^8.
The sum of its digits is 57. It has a total of 6 prime factors and 20 positive divisors.
There are 219041152 positive integers (up to 686993808) that are relatively prime to 686993808.
686993808 has 20 divisors, whose sum is 1350343260
The reverse of 686993808 is 808399686
Previous prime number is 69
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred eighty-six million nine hundred ninety-three thousand eight hundred eight
Scientific notation
6.86993808 × 10^8
Engineering notation
6.86993808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 69 × 622277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
85874226
Product of the distinct prime numbers
The prime factorization of 686993808 is 2 × 2 × 2 × 2 × 69 × 622277.
Since it has a total of 6 prime factors.
7 , 4 , 30 , 91 , 558 , 258 , 7062 , 3 , 35111 , 96936 , 958917 , 5405 , 1898157 , 8610369 , 67331013 , 77093471 , 5721745 , 717155302 , 7172625360 , 4061418853
n×2
1373987616
n×3
2060981424
n×4
2747975232
n×5
3434969040
n÷2
343496904
n÷3
228997936
n÷3
171748452
n÷5
137398761.6
n2
471960492230340864
n3
3.2423393578288E+26
n4
2.2274670622631E+35
n5
1.5302560792987E+44
2 √n
26210.566724129
3 √n
882.37042045583
4 √n
161.89677799181
5 √n
58.531622714417
1 , 2 , 4 , 8 , 16 , 69 , 138 , 276 , 552 , 1104 , 622277 , 1244554 , 2489108 , 4978216 , 9956432 , 42937113 , 85874226 , 171748452 , 343496904 , 686993808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686993807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686993808 can be divided by 20 positive divisors.
The sum of these divisors (counting 686993808) is 1, the average is 0.05.
Base
System
Value
2
Binary
101000111100101011000110010000
3
Ternary
1202212200220100010
4
Quaternary
220330223012100
5
Quinary
2401332300213
6
Senary
152100354520
8
Octal
5074530620
10
Decimal
686993808
12
Duodecimal
1720a5a40
16
Hexadecimal
28f2b190
20
Vigesimal
aede4a8
36
Base36
bd0ntc
md5
de162f73b2518c644da86fa42c84becc
sha1
880f1b626f2aa275fcd5257212c7c4179e14624c
sha256
54d63d7d9c1d6400801b484bf5a0fa1d47809389fdb36cd17f0f17de76b09b4d
sha512
4ec9ce5f25397aa541345008d9d2a2421569bb83f020230b2beed7faa44e2fb9df0b32c62e87732d574516412a1f93b884d2e6db7789c39851322ffc4113ecb1
ripemd-160
8a56aa39dca2244a826c682fb02e2760e4e7b932
Diameter
1373987616
Circumference
4316509400.549
Area
1.4827076151755E+18
Volume
1.3581479342667E+27
Surface area
5.9308304607018E+18
Circumference
4316509400.549
Perimeter
2747975232
Area
471960492230340864
Diagonal
971555960.53994
Surface area
2831762953382045184
Volume
3.2423393578288E+26
Space diagonal
1189908179.9412
Perimeter
2060981424
Area
2.0436488792704E+17
Altitude
594954089.97061
Surface area
2.0436488792704E+17
Volume
3.8211335780479E+25
Height
323851986.84665