1689920785 is an odd 10-digits composite number following 1689920784
and preceding 1689920786 . In scientific notation, it is written as 1.689920785 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 1090637568 positive integers (up to 1689920785) that are relatively prime to 1689920785.
1689920785 has 16 divisors, whose sum is 2453936256
The reverse of 1689920785 is 5870299861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion six hundred eighty-nine million nine hundred twenty thousand seven hundred eighty-five
Scientific notation
1.689920785 × 10^9
Engineering notation
1.689920785 × 10^9
Prime Factorization
17 × 7 × 5 × 2840203
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1689920785
Product of the distinct prime numbers
The prime factorization of 1689920785 is 17 × 7 × 5 × 2840203.
Since it has a total of 4 prime factors.
10 , 4 , 50 , 78 , 949 , 105 , 3779 , 9699 , 53432 , 13237 , 939582 , 115437 , 1827477 , 1553895 , 8029146 , 3347348 , 162210660 , 387628645 , 7279464759 , 2255922485
n×2
3379841570
n×3
5069762355
n×4
6759683140
n×5
8449603925
n÷2
844960392.5
n÷3
563306928.33333
n÷3
422480196.25
n÷5
337984157
n2
2855832259575016225
n3
4.8261302939293E+27
n4
8.1557778948293E+36
n5
1.3782618582316E+46
2 √n
41108.646110034
3 √n
1191.1198142488
4 √n
202.75267226361
5 √n
70.076639868754
1 , 5 , 7 , 17 , 35 , 85 , 119 , 595 , 2840203 , 14201015 , 19881421 , 48283451 , 99407105 , 241417255 , 337984157 , 1689920785
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
-1689920784
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 1689920785 can be divided by 16 positive divisors.
The sum of these divisors (counting 1689920785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100101110100010010100010001
3
Ternary
11100202212212111201
4
Quaternary
1210232202110101
5
Quinary
11430104431120
6
Senary
435404511201
8
Octal
14456422421
10
Decimal
1689920785
12
Duodecimal
3b1b4b501
16
Hexadecimal
64ba2511
20
Vigesimal
168201j5
36
Base36
ry4v81
md5
94649446364eb444afedbaa9e86644e0
sha1
88c68153e18f048a245943d72d8a99d0de2eb157
sha256
3385b88ae7a87fc69eb46c8266164fb1d6924a35e40037710bda2d466acd9182
sha512
e46b9909aa1f1b8d14dc76f47feca3f257aa4f1edaec59afe458159bdbce3b1df7e1257ee39ce653c2589e04376bf95e642d4b61e06b4fcb3da7fd745394691a
ripemd-160
744069ddde4e08a26e4b96b695933e8218ba8da0
Diameter
3379841570
Circumference
10618085446.609
Area
8.9718616465656E+18
Volume
2.0215647302234E+28
Surface area
3.5887446586262E+19
Circumference
10618085446.609
Perimeter
6759683140
Area
2855832259575016225
Diagonal
2389908893.4832
Surface area
1.713499355745E+19
Volume
4.8261302939293E+27
Space diagonal
2927028660.3867
Perimeter
5069762355
Area
1.2366116428695E+18
Altitude
1463514330.1933
Surface area
1.2366116428695E+18
Volume
5.6876490962121E+26
Height
796636297.82773