161799385 is an odd 9-digits composite number following 161799384
and preceding 161799386 . In scientific notation, it is written as 1.61799385 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 113863200 positive integers (up to 161799385) that are relatively prime to 161799385.
161799385 has 24 divisors, whose sum is 220324608
The reverse of 161799385 is 583997161
Previous prime number is 31
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred sixty-one million seven hundred ninety-nine thousand three hundred eighty-five
Scientific notation
1.61799385 × 10^8
Engineering notation
1.61799385 × 10^6
Prime Factorization
5 × 11 × 11 × 31 × 8627
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
14709035 Product of the distinct prime numbers
The prime factorization of 161799385 is 5 × 11 × 11 × 31 × 8627.
Since it has a total of 5 prime factors.
5 , 4 , 24 , 69 , 352 , 569 , 7865 , 5700 , 50016 , 70452 , 108656 , 191106 , 7371386 , 3552157 , 51212091 , 84364837 , 297645423 , 547777153 , 2328619714 , 5979847762
n×2
323598770
n×3
485398155
n×4
647197540
n×5
808996925
n÷2
80899692.5
n÷3
53933128.333333
n÷3
40449846.25
n÷5
32359877
n2
26179040986378225
n3
4.2357527314858E+24
n4
6.8534218696647E+32
n5
1.1088794436573E+41
2 √n12720.038718495
3 √n544.91105918928
4 √n112.78314908928
5 √n43.832412377008
1 , 5 , 11 , 31 , 55 , 121 , 155 , 341 , 605 , 1705 , 3751 , 8627 , 18755 , 43135 , 94897 , 267437 , 474485 , 1043867 , 1337185 , 2941807 , 5219335 , 14709035 , 32359877 , 161799385
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
-161799384 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 161799385 can be divided by 24 positive divisors.
The sum of these divisors (counting 161799385) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001001101110011011001
3
Ternary
102021110021000211
4
Quaternary
21221031303121
5
Quinary
312410040020
6
Senary
24015531121
8
Octal
1151156331
10
Decimal
161799385
12
Duodecimal
46229aa1
16
Hexadecimal
9a4dcd9
20
Vigesimal
2ab4i95
36
Base36
2obx7d
md5
31360e9eea2e8eb0d5bdce0bf65f9396
sha1
0bbd820685ec6c5f6920c61c7424b635bf890d41
sha256
b1e87c2d329abed606612fb81f1935325fb51184107b6f7a39eab4f33d4a3bb6
sha512
8d7c35b54433fc82e6ad96630841bd76a4cba41d830dc51f1be1444ad16d2d198c1c13883b9eeff3ed01d8c552592b5b5a41e1644e7e8feb43ca78c372ea4c24
ripemd-160
5ccff250ce6cf95277095e4d5418157fdbe70ec5
Diameter
323598770
Circumference
1016615518.5427
Area
8.2243882840832E+16
Volume
1.7742679551545E+25
Surface area
3.2897553136333E+17
Circumference
1016615518.5427
Perimeter
647197540
Area
26179040986378225
Diagonal
228818884.65063
Surface area
157074245918269350
Volume
4.2357527314858E+24
Space diagonal
280244755.4534
Perimeter
485398155
Area
1.1335857270459E+16
Altitude
140122377.7267
Surface area
1.1335857270459E+16
Volume
4.9918824664384E+23
Height
76272961.550209