686393944 is an even 9-digits composite number following 686393943
and preceding 686393945 . In scientific notation, it is written as 6.86393944 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors.
There are 342330912 positive integers (up to 686393944) that are relatively prime to 686393944.
686393944 has 16 divisors, whose sum is 1290236400
The reverse of 686393944 is 449393686
Previous prime number is 397
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred eighty-six million three hundred ninety-three thousand nine hundred forty-four
Scientific notation
6.86393944 × 10^8
Engineering notation
6.86393944 × 10^6
Prime Factorization
2 × 2 × 2 × 397 × 216119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
171598486
Product of the distinct prime numbers
The prime factorization of 686393944 is 2 × 2 × 2 × 397 × 216119.
Since it has a total of 5 prime factors.
8 , 10 , 42 , 93 , 235 , 106 , 8195 , 7512 , 78946 , 1630 , 43611 , 503605 , 2874068 , 2983035 , 14466175 , 97608456 , 642364876 , 605582108 , 3675396481 , 9366312130
n×2
1372787888
n×3
2059181832
n×4
2745575776
n×5
3431969720
n÷2
343196972
n÷3
228797981.33333
n÷3
171598486
n÷5
137278788.8
n2
471136646359875136
n3
3.2338534085789E+26
n4
2.2196973954323E+35
n5
1.5235868497373E+44
2 √n
26199.121053959
3 √n
882.11352518454
4 √n
161.86142546623
5 √n
58.521397503496
1 , 2 , 4 , 8 , 397 , 794 , 1588 , 3176 , 216119 , 432238 , 864476 , 1728952 , 85799243 , 171598486 , 343196972 , 686393944
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
-686393943
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 686393944 can be divided by 16 positive divisors.
The sum of these divisors (counting 686393944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111010011000101001011000
3
Ternary
1202211120102110221
4
Quaternary
220322120221120
5
Quinary
2401204101234
6
Senary
152035445424
8
Octal
5072305130
10
Decimal
686393944
12
Duodecimal
171a56874
16
Hexadecimal
28e98a58
20
Vigesimal
ae9j4h4
36
Base36
bcnsyg
md5
1c69d7980c10c0563ebf0b15fbfd4066
sha1
2f74e840f73cb488e831eb150363399266352100
sha256
fbac00ba142e76f0df582ccdae29dc75dfa103b6b8206aa832d75eda62e521fd
sha512
b0d26c612323a251f37c64a8264169d9db06ad510ba260407a521fe92c9594e3aa62a71ed38d13b82e163a597ba2b1a044f78650854ea18e8ea0315f19440385
ripemd-160
474acb4cee6e72130abca57ee8f3e4ed27633b23
Diameter
1372787888
Circumference
4312740343.8778
Area
1.4801194270411E+18
Volume
1.354593348157E+27
Surface area
5.9204777081645E+18
Circumference
4312740343.8778
Perimeter
2745575776
Area
471136646359875136
Diagonal
970707624.73556
Surface area
2826819878159250816
Volume
3.2338534085789E+26
Space diagonal
1188869185.0156
Perimeter
2059181832
Area
2.0400815220073E+17
Altitude
594434592.50779
Surface area
2.0400815220073E+17
Volume
3.8111327909489E+25
Height
323569208.24519