69890909 is an odd 8-digits composite number following 69890908
and preceding 69890910 . In scientific notation, it is written as 6.9890909 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 61992000 positive integers (up to 69890909) that are relatively prime to 69890909.
69890909 has 16 divisors, whose sum is 78122880
The reverse of 69890909 is 90909896
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-nine million eight hundred ninety thousand nine hundred nine
Scientific notation
6.9890909 × 10^7
Engineering notation
6.9890909 × 10^6
Prime Factorization
11 × 71 × 109 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69890909
Product of the distinct prime numbers
The prime factorization of 69890909 is 11 × 71 × 109 × 821.
Since it has a total of 4 prime factors.
1 , 8 , 39 , 86 , 41 , 487 , 8597 , 975 , 24389 , 56039 , 251938 , 710402 , 3156997 , 1373841 , 34614227 , 22605155 , 687300646 , 542895009 , 9576792748 , 1910288962
n×2
139781818
n×3
209672727
n×4
279563636
n×5
349454545
n÷2
34945454.5
n÷3
23296969.666667
n÷3
17472727.25
n÷5
13978181.8
n2
4884739160846281
n3
3.4139886017944E+23
n4
2.3860676669505E+31
n5
1.6676443817868E+39
2 √n
8360.0782891071
3 √n
411.91432574601
4 √n
91.433463726948
5 √n
37.058184380464
1 , 11 , 71 , 109 , 781 , 821 , 1199 , 7739 , 9031 , 58291 , 85129 , 89489 , 641201 , 984379 , 6353719 , 69890909
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
-69890908
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 69890909 can be divided by 16 positive divisors.
The sum of these divisors (counting 69890909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001010100111001101011101
3
Ternary
11212111211022012
4
Quaternary
10022213031131
5
Quinary
120343002114
6
Senary
10534001005
8
Octal
412471535
10
Decimal
69890909
12
Duodecimal
1b4a6165
16
Hexadecimal
42a735d
20
Vigesimal
11gg759
36
Base36
15m065
md5
b36f126e8fcb03375909cb51d3697be8
sha1
1bfc5d2741238f0ebffa3b639e5cd8dde02f8289
sha256
8da8d97eb5b9f04fda3544f0e9e07e534c2654e839f7a21f316f5af8cabfbe96
sha512
c3087312a08dd4c225c25015ab05757ce79caaa3747f2f21bf331ce95fd4d384d81ab259b8e5889f11870efec2a6e95103dbdd1e4eb4aaa9b36e13d96a8da434
ripemd-160
508a38e47804dc0f67b8e5163002fad6788507f9
Diameter
139781818
Circumference
439137532.53423
Area
1.5345860662417E+16
Volume
1.4300482014449E+24
Surface area
6.1383442649668E+16
Circumference
439137532.53423
Perimeter
279563636
Area
4884739160846281
Diagonal
98840671.394384
Surface area
29308434965077686
Volume
3.4139886017944E+23
Space diagonal
121054605.37517
Perimeter
209672727
Area
2.1151541020768E+15
Altitude
60527302.687586
Surface area
2.1151541020768E+15
Volume
4.0234241520374E+22
Height
32946890.464795