161004805 is an odd 9-digits composite number following 161004804
and preceding 161004806 . In scientific notation, it is written as 1.61004805 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 116877888 positive integers (up to 161004805) that are relatively prime to 161004805.
161004805 has 8 divisors, whose sum is 166256640
The reverse of 161004805 is 508400161
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one million four thousand eight hundred five
Scientific notation
1.61004805 × 10^8
Engineering notation
1.61004805 × 10^6
Prime Factorization
65 × 59 × 41983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161004805
Product of the distinct prime numbers
The prime factorization of 161004805 is 65 × 59 × 41983.
Since it has a total of 3 prime factors.
3 , 4 , 26 , 40 , 713 , 925 , 7700 , 7146 , 33465 , 45142 , 939747 , 505242 , 988237 , 7775846 , 19449361 , 68168711 , 973162680 , 75103700 , 1793183244 , 344843872
n×2
322009610
n×3
483014415
n×4
644019220
n×5
805024025
n÷2
80502402.5
n÷3
53668268.333333
n÷3
40251201.25
n÷5
32200961
n2
25922547233088025
n3
4.1736546623666E+24
n4
6.7197845505168E+32
n5
1.081917601198E+41
2 √n
12688.766882562
3 √n
544.01759445149
4 √n
112.64442677098
5 √n
43.789276272513
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
-161004804
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 161004805 can be divided by 8 positive divisors.
The sum of these divisors (counting 161004805) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001011110100000101
3
Ternary
102012221220001221
4
Quaternary
21212023310011
5
Quinary
312204123210
6
Senary
23550520341
8
Octal
1146136405
10
Decimal
161004805
12
Duodecimal
45b060b1
16
Hexadecimal
998bd05
20
Vigesimal
2a65c05
36
Base36
2nuw3p
md5
c31f815fe45552b3aa92c543c9c837ba
sha1
89e7ac1ad58330ca37a948121cc733e1f944ef5b
sha256
13f0bc291b8715c5d75fc907c14b261683065eb76ce3276de8c80bd8326eeada
sha512
1094071a980243a37e5f3cbd080b3b517243ccaf1e8cdf50227b7c23b8ea2fcb5b3a801538b126b086b726f6d7ca239737d60ec4103be4734fd60f587939bf6d
ripemd-160
0b136ae4be227a80de9fc009534029606e677b40
Diameter
322009610
Circumference
1011623025.1613
Area
8.1438083949804E+16
Volume
1.7482563767882E+25
Surface area
3.2575233579922E+17
Circumference
1011623025.1613
Perimeter
644019220
Area
25922547233088025
Diagonal
227695178.83824
Surface area
155535283398528150
Volume
4.1736546623666E+24
Space diagonal
278868502.52272
Perimeter
483014415
Area
1.1224792217328E+16
Altitude
139434251.26136
Surface area
1.1224792217328E+16
Volume
4.9186991901505E+23
Height
75898392.946079