161884161 is an odd 9-digits composite number following 161884160
and preceding 161884162 . In scientific notation, it is written as 1.61884161 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 101964096 positive integers (up to 161884161) that are relatively prime to 161884161.
161884161 has 24 divisors, whose sum is 246810720
The reverse of 161884161 is 161488161
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-one million eight hundred eighty-four thousand one hundred sixty-one
Scientific notation
1.61884161 × 10^8
Engineering notation
1.61884161 × 10^6
Prime Factorization
3 × 3 × 19 × 443 × 2137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
53961387
Product of the distinct prime numbers
The prime factorization of 161884161 is 3 × 3 × 19 × 443 × 2137.
Since it has a total of 5 prime factors.
6 , 5 , 44 , 14 , 675 , 4 , 9621 , 5564 , 80155 , 17628 , 296186 , 298953 , 5045837 , 7734338 , 55102398 , 74381685 , 844286894 , 470505922 , 4240088098 , 5292777458
n×2
323768322
n×3
485652483
n×4
647536644
n×5
809420805
n÷2
80942080.5
n÷3
53961387
n÷3
40471040.25
n÷5
32376832.2
n2
26206481582673921
n3
4.2424142837731E+24
n4
6.8677967694303E+32
n5
1.1117875179377E+41
2 √n
12723.370661896
3 √n
545.00621264977
4 √n
112.79791958142
5 √n
43.837004678813
1 , 3 , 9 , 19 , 57 , 171 , 443 , 1329 , 2137 , 3987 , 6411 , 8417 , 19233 , 25251 , 40603 , 75753 , 121809 , 365427 , 946691 , 2840073 , 8520219 , 17987129 , 53961387 , 161884161
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161884160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161884161 can be divided by 24 positive divisors.
The sum of these divisors (counting 161884161) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001100010100000000001
3
Ternary
102021121120022200
4
Quaternary
21221202200001
5
Quinary
312420243121
6
Senary
24021423413
8
Octal
1151424001
10
Decimal
161884161
12
Duodecimal
4626ab69
16
Hexadecimal
9a62801
20
Vigesimal
2abfa81
36
Base36
2odqm9
md5
7dc69764ce617045c0294d425a6d2284
sha1
c63ce7cbadc85063764a519d0caaf346886c0563
sha256
670a278d857b054086aab5e2b4aa8f377f8580835db098a707b21967a5d8c42a
sha512
e84ff169cf7586efd79418f99ed53c0b9cf65ba151b149416948b86aa1e46919a5137a7ac8a66265955dbeb32d61bebece2a7e61aab5e50f21564af29301559c
ripemd-160
3799d037fc40514a14d9632acfde9bdda9a7ee85
Diameter
323768322
Circumference
1017148181.8603
Area
8.2330090016565E+16
Volume
1.7770583396515E+25
Surface area
3.2932036006626E+17
Circumference
1017148181.8603
Perimeter
647536644
Area
26206481582673921
Diagonal
228938776.01959
Surface area
157238889496043526
Volume
4.2424142837731E+24
Space diagonal
280391591.79266
Perimeter
485652483
Area
1.1347739397202E+16
Altitude
140195795.89633
Surface area
1.1347739397202E+16
Volume
4.9997331810977E+23
Height
76312925.339863