161804690 is an even 9-digits composite number following 161804689
and preceding 161804691 . In scientific notation, it is written as 1.61804690 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 64721872 positive integers (up to 161804690) that are relatively prime to 161804690.
161804690 has 8 divisors, whose sum is 291248460
The reverse of 161804690 is 096408161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million eight hundred four thousand six hundred ninety
Scientific notation
1.61804690 × 10^8
Engineering notation
1.61804690 × 10^6
Prime Factorization
2 × 5 × 16180469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161804690
Product of the distinct prime numbers
The prime factorization of 161804690 is 2 × 5 × 16180469.
Since it has a total of 3 prime factors.
5 , 10 , 1 , 62 , 688 , 142 , 1736 , 4875 , 97749 , 94567 , 142361 , 753202 , 3897954 , 2040758 , 24076547 , 27065889 , 546465186 , 315682463 , 1128137009 , 8063347588
n×2
323609380
n×3
485414070
n×4
647218760
n×5
809023450
n÷2
80902345
n÷3
53934896.666667
n÷3
40451172.5
n÷5
32360938
n2
26180757705996100
n3
4.2361693845838E+24
n4
6.8543207406007E+32
n5
1.1090612425935E+41
2 √n
12720.247246025
3 √n
544.91701455097
4 √n
112.78407354775
5 √n
43.832699804426
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
-161804689
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 161804690 can be divided by 8 positive divisors.
The sum of these divisors (counting 161804690) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001001111000110010010
3
Ternary
102021110112022022
4
Quaternary
21221033012102
5
Quinary
312410222230
6
Senary
24020011442
8
Octal
1151170622
10
Decimal
161804690
12
Duodecimal
46230b82
16
Hexadecimal
9a4f192
20
Vigesimal
2ab5bea
36
Base36
2oc1aq
md5
ea9c92d042b66bb1832e03661f5055d3
sha1
c55bc5153729975b4a11cef830d549157d9bd822
sha256
86ef5a0d865f2b641aed2bad5243ac78adfdfdf78869bcc6a4c85856e9e4c69d
sha512
7bcd6001a105fd237295536d37aa64e14abc46f647397933161734676f167c952dc13d3deb4c361a2500fe05a394f1028565bc2646b8c819b0512e7c145af91d
ripemd-160
a833eb3322a8bb71ef4c92fef13b98153264d866
Diameter
323609380
Circumference
1016648850.8407
Area
8.2249276074572E+16
Volume
1.7744424823961E+25
Surface area
3.2899710429829E+17
Circumference
1016648850.8407
Perimeter
647218760
Area
26180757705996100
Diagonal
228826387.05357
Surface area
157084546235976600
Volume
4.2361693845838E+24
Space diagonal
280253943.98293
Perimeter
485414070
Area
1.1336600631859E+16
Altitude
140126971.99147
Surface area
1.1336600631859E+16
Volume
4.9923734968234E+23
Height
76275462.351191