161520492 is an even 9-digits composite number following 161520491
and preceding 161520493 . In scientific notation, it is written as 1.61520492 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 46148688 positive integers (up to 161520492) that are relatively prime to 161520492.
161520492 has 12 divisors, whose sum is 296121056
The reverse of 161520492 is 294025161
Previous prime number is 21
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred sixty-one million five hundred twenty thousand four hundred ninety-two
Scientific notation
1.61520492 × 10^8
Engineering notation
1.61520492 × 10^6
Prime Factorization
2 × 2 × 21 × 1922863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80760246
Product of the distinct prime numbers
The prime factorization of 161520492 is 2 × 2 × 21 × 1922863.
Since it has a total of 4 prime factors.
6 , 9 , 11 , 24 , 353 , 325 , 5661 , 9821 , 79881 , 81627 , 607376 , 353653 , 8479852 , 5808521 , 55418208 , 83655851 , 733940490 , 835851893 , 9238010918 , 1372366777
n×2
323040984
n×3
484561476
n×4
646081968
n×5
807602460
n÷2
80760246
n÷3
53840164
n÷3
40380123
n÷5
32304098.4
n2
26088869335922064
n3
4.2138870108618E+24
n4
6.8062910322681E+32
n5
1.0993554762271E+41
2 √n
12709.071248522
3 √n
544.59779207039
4 √n
112.73451666868
5 √n
43.817291194341
1 , 2 , 4 , 21 , 42 , 84 , 1922863 , 3845726 , 7691452 , 40380123 , 80760246 , 161520492
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161520491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161520492 can be divided by 12 positive divisors.
The sum of these divisors (counting 161520492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000001001101101101100
3
Ternary
102020221002110110
4
Quaternary
21220021231230
5
Quinary
312322123432
6
Senary
24005540020
8
Octal
1150115554
10
Decimal
161520492
12
Duodecimal
46114610
16
Hexadecimal
9a09b6c
20
Vigesimal
2a9a14c
36
Base36
2o5y0c
md5
de9d3a29564abe78d29e90ec7516746f
sha1
20e001bef37f463c71cf5b58d29944c9455b30e1
sha256
f6caeca257aff1cc77d32dca74e58ffd31ec16e6d01ed043bd0b33a90b2ac50b
sha512
c76dd2399f32e98cf0e35993e2029b50e00904ed1f5b1ba2a79259ce242afb8ec9c7ddbaac2447570de95bcc1e63150b4f0d17be8cd1924f13fc9729f02a8a59
ripemd-160
901eff35b4d67ddae9203871995a7c9e19201705
Diameter
323040984
Circumference
1014863182.1428
Area
8.1960600246197E+16
Volume
1.7651088635175E+25
Surface area
3.2784240098479E+17
Circumference
1014863182.1428
Perimeter
646081968
Area
26088869335922064
Diagonal
228424470.38758
Surface area
156533216015532384
Volume
4.2138870108618E+24
Space diagonal
279761698.60752
Perimeter
484561476
Area
1.1296811800461E+16
Altitude
139880849.30376
Surface area
1.1296811800461E+16
Volume
4.9661134675572E+23
Height
76141490.129192