686991244 is an even 9-digits composite number following 686991243
and preceding 686991245 . In scientific notation, it is written as 6.86991244 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 335117600 positive integers (up to 686991244) that are relatively prime to 686991244.
686991244 has 12 divisors, whose sum is 1231557768
The reverse of 686991244 is 442199686
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-six million nine hundred ninety-one thousand two hundred forty-four
Scientific notation
6.86991244 × 10^8
Engineering notation
6.86991244 × 10^6
Prime Factorization
2 × 2 × 41 × 4188971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
343495622
Product of the distinct prime numbers
The prime factorization of 686991244 is 2 × 2 × 41 × 4188971.
Since it has a total of 4 prime factors.
10 , 7 , 5 , 52 , 165 , 610 , 2977 , 552 , 95303 , 47864 , 761479 , 554502 , 1112319 , 2619046 , 61924888 , 81072747 , 563330731 , 97742211 , 5990003 , 917420851
n×2
1373982488
n×3
2060973732
n×4
2747964976
n×5
3434956220
n÷2
343495622
n÷3
228997081.33333
n÷3
171747811
n÷5
137398248.8
n2
471956969332667536
n3
3.2423030547632E+26
n4
2.2274338090168E+35
n5
1.5302275233841E+44
2 √n
26210.517812512
3 √n
882.3693227261
4 √n
161.89662693371
5 √n
58.531579023978
1 , 2 , 4 , 41 , 82 , 164 , 4188971 , 8377942 , 16755884 , 171747811 , 343495622 , 686991244
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
-686991243
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 686991244 can be divided by 12 positive divisors.
The sum of these divisors (counting 686991244) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000111100101010011110001100
3
Ternary
1202212200202211011
4
Quaternary
220330222132030
5
Quinary
2401332204434
6
Senary
152100335004
8
Octal
5074523614
10
Decimal
686991244
12
Duodecimal
1720a4464
16
Hexadecimal
28f2a78c
20
Vigesimal
aeddi24
36
Base36
bd0lu4
md5
53bd51d3647ae59fb210bee2baa761ca
sha1
0606735119e17629297c652436e711f110827b0e
sha256
1fbe910ae002912f3dab225fad0286dea8e9fb5c0b85e2066a106ca0f9275967
sha512
2732945d42806484163dbe073cce8609cd3cce1c0c2cad857bf9a814b08615d8dcf048dd7e60807a63ec8e5b3efd7cfa6c40c8dc0ebc3d32343526498bd2932c
ripemd-160
02aff3c16671abf4e42d181a21c8a031559589a4
Diameter
1373982488
Circumference
4316493290.4618
Area
1.482696547666E+18
Volume
1.3581327276741E+27
Surface area
5.930786190664E+18
Circumference
4316493290.4618
Perimeter
2747964976
Area
471956969332667536
Diagonal
971552334.49636
Surface area
2831741815996005216
Volume
3.2423030547632E+26
Space diagonal
1189903738.9629
Perimeter
2060973732
Area
2.043633624676E+17
Altitude
594951869.48147
Surface area
2.043633624676E+17
Volume
3.8210907944749E+25
Height
323850778.16545