1689947855 is an odd 10-digits composite number following 1689947854
and preceding 1689947856 . In scientific notation, it is written as 1.689947855 × 10^9.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 1334844576 positive integers (up to 1689947855) that are relatively prime to 1689947855.
1689947855 has 8 divisors, whose sum is 2053608000
The reverse of 1689947855 is 5587499861
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 62
Digital Root 8
Name
one billion six hundred eighty-nine million nine hundred forty-seven thousand eight hundred fifty-five
Scientific notation
1.689947855 × 10^9
Engineering notation
1.689947855 × 10^9
Prime Factorization
5 × 79 × 4278349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1689947855
Product of the distinct prime numbers
The prime factorization of 1689947855 is 5 × 79 × 4278349.
Since it has a total of 3 prime factors.
10 , 8 , 9 , 84 , 195 , 266 , 34 , 6315 , 70590 , 97282 , 919063 , 377707 , 5017990 , 320837 , 20462278 , 5152177 , 520337541 , 611499585 , 7776822894 , 2402159448
n×2
3379895710
n×3
5069843565
n×4
6759791420
n×5
8449739275
n÷2
844973927.5
n÷3
563315951.66667
n÷3
422486963.75
n÷5
337989571
n2
2855923752619101025
n3
4.8263622197822E+27
n4
8.156300480774E+36
n5
1.3783722502219E+46
2 √n
41108.975358187
3 √n
1191.1261742
4 √n
202.75348420727
5 √n
70.076864371879
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
-1689947854
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 1689947855 can be divided by 8 positive divisors.
The sum of these divisors (counting 1689947855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101110101000111011001111
3
Ternary
11100202221020122022
4
Quaternary
1210232220323033
5
Quinary
11430111312410
6
Senary
435405240355
8
Octal
14456507317
10
Decimal
1689947855
12
Duodecimal
3b1b630bb
16
Hexadecimal
64ba8ecf
20
Vigesimal
168239cf
36
Base36
ry5g3z
md5
e8c651016195abcadaa0e8fcf528b06b
sha1
beef968bc3a3dcbf42b1625ff0ba407835e4996e
sha256
9bc80aef3f2e24c6fab02d7ae6f1f963eacee8a18179bac0900f4a8f14a807f8
sha512
d78f95592e4d398049f4857cbe561da39fb142fb651d13eb7fbe8faa87092d087f3d4923ca0a88771eced340249deb4a53451d28311ae82fd1488b5e17859293
ripemd-160
fe2f91f863acf012627eb99d80685b6c6d489b2f
Diameter
3379895710
Circumference
10618255532.436
Area
8.9721490804408E+18
Volume
2.0216618790975E+28
Surface area
3.5888596321763E+19
Circumference
10618255532.436
Perimeter
6759791420
Area
2855923752619101025
Diagonal
2389947176.2443
Surface area
1.7135542515715E+19
Volume
4.8263622197822E+27
Space diagonal
2927075547.002
Perimeter
5069843565
Area
1.2366512605198E+18
Altitude
1463537773.501
Surface area
1.2366512605198E+18
Volume
5.6879224234509E+26
Height
796649058.74811