1689742021 is an odd 10-digits composite number following 1689742020
and preceding 1689742022 . In scientific notation, it is written as 1.689742021 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1535698320 positive integers (up to 1689742021) that are relatively prime to 1689742021.
1689742021 has 8 divisors, whose sum is 1843871904
The reverse of 1689742021 is 1202479861
Previous prime number is 39157
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred eighty-nine million seven hundred forty-two thousand twenty-one
Scientific notation
1.689742021 × 10^9
Engineering notation
1.689742021 × 10^9
Prime Factorization
11 × 39157 × 3923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1689742021
Product of the distinct prime numbers
The prime factorization of 1689742021 is 11 × 39157 × 3923.
Since it has a total of 3 prime factors.
7 , 1 , 46 , 56 , 78 , 698 , 9407 , 5482 , 14981 , 58905 , 824455 , 672827 , 9045828 , 8103263 , 1743754 , 74433930 , 705555310 , 609787031 , 5221746553 , 1440517200
n×2
3379484042
n×3
5069226063
n×4
6758968084
n×5
8448710105
n÷2
844871010.5
n÷3
563247340.33333
n÷3
422435505.25
n÷5
337948404.2
n2
2855228097533164441
n3
4.8245988959417E+27
n4
8.1523274889429E+36
n5
1.377533032702E+46
2 √n
41106.471765405
3 √n
1191.0778129012
4 √n
202.74731013112
5 √n
70.075157229963
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
-1689742020
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 1689742021 can be divided by 8 positive divisors.
The sum of these divisors (counting 1689742021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101101110110101011000101
3
Ternary
11100202112210021211
4
Quaternary
1210231312223011
5
Quinary
11430033221041
6
Senary
435401011421
8
Octal
14455665305
10
Decimal
1689742021
12
Duodecimal
3b1a83b71
16
Hexadecimal
64b76ac5
20
Vigesimal
1680hf11
36
Base36
ry11ad
md5
8b2486bade98bc13923ccb720d57d2b5
sha1
7d0877123b33b80da1d7267e57db7b85cc6d0d30
sha256
df7318a324e593eae2796b635eabfb6002b4866c401d8eebe93f58954b477b8d
sha512
118f0a19b4152dbb5254a0daf6e56fdac462e086b4d9d0d40681027fe3ff1397b7783ed34b8dcdcd8086053cf080197b6ec90018641ac5281a0a10acee0bbc77
ripemd-160
100e120994a2960f5fd8c804fe3a58aa4e9cce2c
Diameter
3379484042
Circumference
10616962239.271
Area
8.9699636155334E+18
Volume
2.0209232597344E+28
Surface area
3.5879854462133E+19
Circumference
10616962239.271
Perimeter
6758968084
Area
2855228097533164441
Diagonal
2389656083.0099
Surface area
1.7131368585199E+19
Volume
4.8245988959417E+27
Space diagonal
2926719032.0561
Perimeter
5069226063
Area
1.2363500330314E+18
Altitude
1463359516.0281
Surface area
1.2363500330314E+18
Volume
5.6858443263758E+26
Height
796552027.66997