161640112 is an even 9-digits composite number following 161640111
and preceding 161640113 . In scientific notation, it is written as 1.61640112 × 10^8.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 80588288 positive integers (up to 161640112) that are relatively prime to 161640112.
161640112 has 20 divisors, whose sum is 314075880
The reverse of 161640112 is 211046161
Previous prime number is 353
Is Prime? no
Number parity even
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred sixty-one million six hundred forty thousand one hundred twelve
Scientific notation
1.61640112 × 10^8
Engineering notation
1.61640112 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 353 × 28619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20205014
Product of the distinct prime numbers
The prime factorization of 161640112 is 2 × 2 × 2 × 2 × 353 × 28619.
Since it has a total of 6 prime factors.
1 , 3 , 31 , 85 , 854 , 964 , 9178 , 664 , 93618 , 74703 , 262173 , 538723 , 284570 , 9884161 , 73525494 , 34475582 , 166435569 , 310904951 , 3462340941 , 7781571840
n×2
323280224
n×3
484920336
n×4
646560448
n×5
808200560
n÷2
80820056
n÷3
53880037.333333
n÷3
40410028
n÷5
32328022.4
n2
26127525807372544
n3
4.2232561977866E+24
n4
6.8264760481492E+32
n5
1.1034323529882E+41
2 √n
12713.776464922
3 √n
544.73219960365
4 √n
112.75538330795
5 √n
43.823779377116
1 , 2 , 4 , 8 , 16 , 353 , 706 , 1412 , 2824 , 5648 , 28619 , 57238 , 114476 , 228952 , 457904 , 10102507 , 20205014 , 40410028 , 80820056 , 161640112
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161640111
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161640112 can be divided by 20 positive divisors.
The sum of these divisors (counting 161640112) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000100110111010110000
3
Ternary
102021011011112211
4
Quaternary
21220212322300
5
Quinary
312334440422
6
Senary
24012301504
8
Octal
1150467260
10
Decimal
161640112
12
Duodecimal
46171894
16
Hexadecimal
9a26eb0
20
Vigesimal
2aa505c
36
Base36
2o8ib4
md5
71a81da91120e48beef297d5fbebd6d6
sha1
f26781a1a382f828c14fb3bc28ff47c3b9423358
sha256
0adc9dab3eb26fcc72ef209e3e937bda3e5bdc3f931875fea7bf5c1ba5ee58fa
sha512
0ec05f4754ea1339d2bc5a1f4b9cbe041c20693a3721d02ced5db4baebcdd380a61939e65f0b055afde0e6dcc381bc5b01fbb8c07b6e9f6a4b2adf3ddfd22a1a
ripemd-160
beea7294885f023a293344b98bdd2532aa3a842d
Diameter
323280224
Circumference
1015614776.7693
Area
8.2082043132919E+16
Volume
1.7690334193592E+25
Surface area
3.2832817253168E+17
Circumference
1015614776.7693
Perimeter
646560448
Area
26127525807372544
Diagonal
228593638.61391
Surface area
156765154844235264
Volume
4.2232561977866E+24
Space diagonal
279968886.52512
Perimeter
484920336
Area
1.1313550543609E+16
Altitude
139984443.26256
Surface area
1.1313550543609E+16
Volume
4.9771551602384E+23
Height
76197879.537969