161894270 is an even 9-digits composite number following 161894269
and preceding 161894271 . In scientific notation, it is written as 1.61894270 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 64284480 positive integers (up to 161894270) that are relatively prime to 161894270.
161894270 has 16 divisors, whose sum is 293539248
The reverse of 161894270 is 072498161
Previous prime number is 137
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million eight hundred ninety-four thousand two hundred seventy
Scientific notation
1.61894270 × 10^8
Engineering notation
1.61894270 × 10^6
Prime Factorization
2 × 5 × 137 × 118171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161894270
Product of the distinct prime numbers
The prime factorization of 161894270 is 2 × 5 × 137 × 118171.
Since it has a total of 4 prime factors.
4 , 2 , 20 , 40 , 816 , 673 , 3800 , 2501 , 46380 , 1774 , 117815 , 686378 , 3188347 , 4155700 , 18230980 , 80583677 , 565587673 , 163894836 , 1809008781 , 4655962417
n×2
323788540
n×3
485682810
n×4
647577080
n×5
809471350
n÷2
80947135
n÷3
53964756.666667
n÷3
40473567.5
n÷5
32378854
n2
26209754658832900
n3
4.2432090973709E+24
n4
6.8695123927621E+32
n5
1.1121346940822E+41
2 √n
12723.767916777
3 √n
545.01755687907
4 √n
112.79968048171
5 √n
43.837552153265
1 , 2 , 5 , 10 , 137 , 274 , 685 , 1370 , 118171 , 236342 , 590855 , 1181710 , 16189427 , 32378854 , 80947135 , 161894270
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
-161894269
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 161894270 can be divided by 16 positive divisors.
The sum of these divisors (counting 161894270) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001100100111101111110
3
Ternary
102021122002012002
4
Quaternary
21221210331332
5
Quinary
312421104040
6
Senary
24021542302
8
Octal
1151447576
10
Decimal
161894270
12
Duodecimal
46274992
16
Hexadecimal
9a64f7e
20
Vigesimal
2abgfda
36
Base36
2odyf2
md5
5a7cdf0e7d23a984a857afe4b6632657
sha1
6bf0f08615d5e5e71f3aa2905f039b1e04ead1bf
sha256
085f36eb79f26ca4c205d629ba74e07e8fac6a6bedff4eb7a71efb0c2795a063
sha512
6417621a521059cbb0edf8961fe98a36c91d4de7accd0f7beadb0cfc723adac030777731a01dcd8cbbd6da0992ae52b63dbcf9574c5684a389984953bf7167fc
ripemd-160
ab96f3c577a921614c9a5ba7a138d41c506dda77
Diameter
323788540
Circumference
1017211698.5806
Area
8.234037268858E+16
Volume
1.7773912703928E+25
Surface area
3.2936149075432E+17
Circumference
1017211698.5806
Perimeter
647577080
Area
26209754658832900
Diagonal
228953072.30449
Surface area
157258527952997400
Volume
4.2432090973709E+24
Space diagonal
280409101.09427
Perimeter
485682810
Area
1.1349156680753E+16
Altitude
140204550.54714
Surface area
1.1349156680753E+16
Volume
5.0006698779056E+23
Height
76317690.768164