686990889 is an odd 9-digits composite number following 686990888
and preceding 686990890 . In scientific notation, it is written as 6.86990889 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors.
There are 408131136 positive integers (up to 686990889) that are relatively prime to 686990889.
686990889 has 16 divisors, whose sum is 929880000
The reverse of 686990889 is 988099686
Previous prime number is 377
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred eighty-six million nine hundred ninety thousand eight hundred eighty-nine
Scientific notation
6.86990889 × 10^8
Engineering notation
6.86990889 × 10^6
Prime Factorization
81 × 3 × 377 × 7499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
686990889
Product of the distinct prime numbers
The prime factorization of 686990889 is 81 × 3 × 377 × 7499.
Since it has a total of 4 prime factors.
3 , 9 , 8 , 23 , 821 , 113 , 8305 , 5618 , 48756 , 83668 , 777059 , 39822 , 9968428 , 1160660 , 93758453 , 5312722 , 268137580 , 716410430 , 7454245503 , 7286478179
n×2
1373981778
n×3
2060972667
n×4
2747963556
n×5
3434954445
n÷2
343495444.5
n÷3
228996963
n÷3
171747722.25
n÷5
137398177.8
n2
471956481569010321
n3
3.2422980284241E+26
n4
2.22742920495E+35
n5
1.5302235696932E+44
2 √n
26210.51104042
3 √n
882.36917073913
4 √n
161.89660601884
5 √n
58.531572974785
1 , 3 , 81 , 243 , 377 , 1131 , 7499 , 22497 , 30537 , 91611 , 607419 , 1822257 , 2827123 , 8481369 , 228996963 , 686990889
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
-686990888
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 686990889 can be divided by 16 positive divisors.
The sum of these divisors (counting 686990889) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111100101010011000101001
3
Ternary
1202212200202100000
4
Quaternary
220330222120221
5
Quinary
2401332202024
6
Senary
152100333213
8
Octal
5074523051
10
Decimal
686990889
12
Duodecimal
1720a4209
16
Hexadecimal
28f2a629
20
Vigesimal
aeddh49
36
Base36
bd0lk9
md5
2202d2fff8035db2cce4ceb5aa4e7952
sha1
9a49f4d291a8580f3524d29592cf4e14af29aa7e
sha256
e6d54939c30a9f48c3f841300e02d90ea07c07dddcc0f41e1782b2f8b22521d7
sha512
e4d7e81884d9b053e3963091bf3def7dcce4ee9fe992f5537cecfcf168b362e00b8d4a76f3c10d283bb0fe8195ebf3c6dde7881cc544766721a9115c9061d6e0
ripemd-160
c5f8b82f676546df6367fa5d39f3813ce6132f73
Diameter
1373981778
Circumference
4316491059.931
Area
1.4826950153113E+18
Volume
1.3581306222461E+27
Surface area
5.9307800612452E+18
Circumference
4316491059.931
Perimeter
2747963556
Area
471956481569010321
Diagonal
971551832.45055
Surface area
2831738889414061926
Volume
3.2422980284241E+26
Space diagonal
1189903124.0849
Perimeter
2060972667
Area
2.0436315125974E+17
Altitude
594951562.04246
Surface area
2.0436315125974E+17
Volume
3.8210848708774E+25
Height
323850610.81685