161869740 is an even 9-digits composite number following 161869739
and preceding 161869741 . In scientific notation, it is written as 1.61869740 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 40893120 positive integers (up to 161869740) that are relatively prime to 161869740.
161869740 has 24 divisors, whose sum is 318062080
The reverse of 161869740 is 047968161
Previous prime number is 19
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred sixty-one million eight hundred sixty-nine thousand seven hundred forty
Scientific notation
1.61869740 × 10^8
Engineering notation
1.61869740 × 10^6
Prime Factorization
2 × 2 × 15 × 19 × 141991
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80934870 Product of the distinct prime numbers
The prime factorization of 161869740 is 2 × 2 × 15 × 19 × 141991.
Since it has a total of 5 prime factors.
1 , 6 , 39 , 76 , 247 , 418 , 8120 , 2812 , 95747 , 68106 , 83323 , 902686 , 4390925 , 3160600 , 22910292 , 35300881 , 25663046 , 166237379 , 2469024763 , 3428137930
n×2
323739480
n×3
485609220
n×4
647478960
n×5
809348700
n÷2
80934870
n÷3
53956580
n÷3
40467435
n÷5
32373948
n2
26201812727667600
n3
4.2412806137562E+24
n4
6.8653499021576E+32
n5
1.1112924036713E+41
2 √n12722.80393624
3 √n544.99002871525
4 √n112.7954074253
5 √n43.836223631467
1 , 2 , 4 , 15 , 19 , 30 , 38 , 60 , 76 , 285 , 570 , 1140 , 141991 , 283982 , 567964 , 2129865 , 2697829 , 4259730 , 5395658 , 8519460 , 10791316 , 40467435 , 80934870 , 161869740
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
-161869739 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 161869740 can be divided by 24 positive divisors.
The sum of these divisors (counting 161869740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001011110111110101100
3
Ternary
102021120211112120
4
Quaternary
21221132332230
5
Quinary
312414312430
6
Senary
24021232540
8
Octal
1151367654
10
Decimal
161869740
12
Duodecimal
46262750
16
Hexadecimal
9a5efac
20
Vigesimal
2abde70
36
Base36
2odfho
md5
1fb53eeea7542594ed7ff7947d858e5c
sha1
d8a15a7492d5c4b810d21788255e169266455774
sha256
404b04e54b94877e3f7807fa4dd5a2188fdb0967a624c97e99de5c73a20bfa6c
sha512
dacb173cf6518f9c7f941bfb5c3bce48ce97dffe8dda207d4bf68940c75de4c111e4e6fc49e04b41e3a7e098424c9551b8bbf282378eef5ca53538205b1372da
ripemd-160
d5f76e2197c061de6c2172be4ad9b2a0313c1b6f
Diameter
323739480
Circumference
1017057572.045
Area
8.2315422375976E+16
Volume
1.7765834690653E+25
Surface area
3.292616895039E+17
Circumference
1017057572.045
Perimeter
647478960
Area
26201812727667600
Diagonal
228918381.64581
Surface area
157210876366005600
Volume
4.2412806137562E+24
Space diagonal
280366613.88796
Perimeter
485609220
Area
1.1345717723681E+16
Altitude
140183306.94398
Surface area
1.1345717723681E+16
Volume
4.9983971381701E+23
Height
76306127.215269