6688891 is an odd 7-digits composite number following 6688890
and preceding 6688892 . In scientific notation, it is written as 6.688891 × 10^6.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 6022920 positive integers (up to 6688891) that are relatively prime to 6688891.
6688891 has 8 divisors, whose sum is 7366464
The reverse of 6688891 is 1988866
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1
Name
six million six hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
6.688891 × 10^6
Engineering notation
6.688891 × 10^6
Prime Factorization
11 × 107 × 5683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6688891
Product of the distinct prime numbers
The prime factorization of 6688891 is 11 × 107 × 5683.
Since it has a total of 3 prime factors.
1 , 1 , 70 , 40 , 81 , 776 , 873 , 3650 , 79475 , 25836 , 869489 , 783493 , 8876341 , 5338245 , 45400589 , 69619015 , 808541996 , 477242248 , 3784802387 , 2339396720
n×2
13377782
n×3
20066673
n×4
26755564
n×5
33444455
n÷2
3344445.5
n÷3
2229630.3333333
n÷3
1672222.75
n÷5
1337778.2
n2
44741262809881
n3
2.9926943013765E+20
n4
2.0017805978228E+27
n5
1.3389692224752E+34
2 √n
2586.2890403047
3 √n
188.41611279078
4 √n
50.855570396021
5 √n
23.177725963474
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6688890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6688891 can be divided by 8 positive divisors.
The sum of these divisors (counting 6688891) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001100001000001111011
3
Ternary
110120211102201
4
Quaternary
121201001323
5
Quinary
3203021031
6
Senary
355211031
8
Octal
31410173
10
Decimal
6688891
12
Duodecimal
22a6a77
16
Hexadecimal
66107b
20
Vigesimal
21g24b
36
Base36
3zd6j
md5
6111416690de3b8b12a80658ce9de9f0
sha1
508e6aa58689beb5f14932ca575458a1b816a14a
sha256
c92fa9911ca53b444fa4c46b7cfe97c4d79790f8152ec526c1e305831abee41c
sha512
71e653bf2e1a16ba81c3aa2ea9031c858ae91dc56925a4594c5644bc45f380d24c0cbae1e3ce669f0c6ac85f5f5ad197d33c54b25634d7b7907c325e3e4159c9
ripemd-160
efc95c98f3b84d5e39294a2e46028cc827655ae3
Diameter
13377782
Circumference
42027541.652526
Area
1.4055882255585E+14
Volume
1.2535768575526E+21
Surface area
5.6223529022341E+14
Circumference
42027541.652526
Perimeter
26755564
Area
44741262809881
Diagonal
9459520.3694353
Surface area
268447576859286
Volume
2.9926943013765E+20
Space diagonal
11585499.05829
Perimeter
20066673
Area
19373535095376
Altitude
5792749.5291451
Surface area
19373535095376
Volume
3.5269240575361E+19
Height
3153173.4564784