686993957 is an odd 9-digits composite number following 686993956
and preceding 686993958 . In scientific notation, it is written as 6.86993957 × 10^8.
The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors.
There are 630798480 positive integers (up to 686993957) that are relatively prime to 686993957.
686993957 has 12 divisors, whose sum is 747834624
The reverse of 686993957 is 759399686
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
six hundred eighty-six million nine hundred ninety-three thousand nine hundred fifty-seven
Scientific notation
6.86993957 × 10^8
Engineering notation
6.86993957 × 10^6
Prime Factorization
191 × 13 × 13 × 21283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
52845689
Product of the distinct prime numbers
The prime factorization of 686993957 is 191 × 13 × 13 × 21283.
Since it has a total of 4 prime factors.
7 , 10 , 46 , 74 , 585 , 377 , 8362 , 270 , 17784 , 4679 , 221638 , 796678 , 6180519 , 5033511 , 3749452 , 98670555 , 258321957 , 240073852 , 5182397934 , 6765435600
n×2
1373987914
n×3
2060981871
n×4
2747975828
n×5
3434969785
n÷2
343496978.5
n÷3
228997985.66667
n÷3
171748489.25
n÷5
137398791.4
n2
471960696954517849
n3
3.2423414674926E+26
n4
2.2274689946979E+35
n5
1.5302577387624E+44
2 √n
26210.569566494
3 √n
882.37048424737
4 √n
161.89678677013
5 √n
58.531625253366
1 , 13 , 169 , 191 , 2483 , 21283 , 32279 , 276679 , 3596827 , 4065053 , 52845689 , 686993957
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686993956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686993957 can be divided by 12 positive divisors.
The sum of these divisors (counting 686993957) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000111100101011001000100101
3
Ternary
1202212200220112122
4
Quaternary
220330223020211
5
Quinary
2401332301312
6
Senary
152100355325
8
Octal
5074531045
10
Decimal
686993957
12
Duodecimal
1720a5b45
16
Hexadecimal
28f2b225
20
Vigesimal
aede4hh
36
Base36
bd0nxh
md5
383d8adc4ae65023c3b5f48bbafb4f56
sha1
8afc4b7b4126a97fb263c6917d4aa33894401c0c
sha256
3d7d9fe6d162de82158cdd2f133c9756bac7cacde7904f956d7d537a048bcfbe
sha512
ecc2eb10351701ac485995afb3f6534679ff265dbbea50227b3b0c3f59788a4585f1db40161c44541310a697e773754155107d22a1a9697daf849ece66835e7b
ripemd-160
244692c037e9c789ed7d7b655afd0815c64b9c84
Diameter
1373987914
Circumference
4316510336.7436
Area
1.4827082583354E+18
Volume
1.3581488179606E+27
Surface area
5.9308330333417E+18
Circumference
4316510336.7436
Perimeter
2747975828
Area
471960696954517849
Diagonal
971556171.25776
Surface area
2831764181727107094
Volume
3.2423414674926E+26
Space diagonal
1189908438.0168
Perimeter
2060981871
Area
2.0436497657521E+17
Altitude
594954219.00839
Surface area
2.0436497657521E+17
Volume
3.8211360643106E+25
Height
323852057.08592