161889724 is an even 9-digits composite number following 161889723
and preceding 161889725 . In scientific notation, it is written as 1.61889724 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 80892864 positive integers (up to 161889724) that are relatively prime to 161889724.
161889724 has 12 divisors, whose sum is 283489024
The reverse of 161889724 is 427988161
Previous prime number is 1663
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred sixty-one million eight hundred eighty-nine thousand seven hundred twenty-four
Scientific notation
1.61889724 × 10^8
Engineering notation
1.61889724 × 10^6
Prime Factorization
2 × 2 × 1663 × 24337
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
80944862 Product of the distinct prime numbers
The prime factorization of 161889724 is 2 × 2 × 1663 × 24337.
Since it has a total of 4 prime factors.
4 , 7 , 47 , 28 , 206 , 617 , 1493 , 9354 , 44166 , 20080 , 438959 , 746654 , 4521347 , 7836902 , 47481435 , 62176767 , 916065582 , 271013097 , 3884286854 , 801738886
n×2
323779448
n×3
485669172
n×4
647558896
n×5
809448620
n÷2
80944862
n÷3
53963241.333333
n÷3
40472431
n÷5
32377944.8
n2
26208282736796176
n3
4.2428516587739E+24
n4
6.8687408401185E+32
n5
1.1119785588343E+41
2 √n12723.589273472
3 √n545.012455457
4 √n112.79888861807
5 √n43.837305958325
1 , 2 , 4 , 1663 , 3326 , 6652 , 24337 , 48674 , 97348 , 40472431 , 80944862 , 161889724
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
-161889723 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 161889724 can be divided by 12 positive divisors.
The sum of these divisors (counting 161889724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001100011110110111100
3
Ternary
102021121211221201
4
Quaternary
21221203312330
5
Quinary
312420432344
6
Senary
24021505244
8
Octal
1151436674
10
Decimal
161889724
12
Duodecimal
46272224
16
Hexadecimal
9a63dbc
20
Vigesimal
2abg464
36
Base36
2oduws
md5
82270b8293c0116c1db25621e5fb3247
sha1
d45705fece75d8fced60a94ae75118243a116b9b
sha256
46a311ae5973326802895cf0b5c1f90eeb092daefd0da3ea815d9f6c4d662ba6
sha512
fb908dbbf63773bf21636e7469716c1b1ff953928b35b503d8d21e71c0c99a59b35165db41ff4d5eb260d6e58f47f3c91b61a86a89e031f5885c4fe6809bc0cb
ripemd-160
ceecf9e08a13179795725be73608f666c0b16f95
Diameter
323779448
Circumference
1017183135.2202
Area
8.2335748509123E+16
Volume
1.7772415468634E+25
Surface area
3.2934299403649E+17
Circumference
1017183135.2202
Perimeter
647558896
Area
26208282736796176
Diagonal
228946643.28964
Surface area
157249696420777056
Volume
4.2428516587739E+24
Space diagonal
280401227.1913
Perimeter
485669172
Area
1.1348519319815E+16
Altitude
140200613.59565
Surface area
1.1348519319815E+16
Volume
5.0002486324794E+23
Height
76315547.763212