161838474 is an even 9-digits composite number following 161838473
and preceding 161838475 . In scientific notation, it is written as 1.61838474 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 46239480 positive integers (up to 161838474) that are relatively prime to 161838474.
161838474 has 24 divisors, whose sum is 376522848
The reverse of 161838474 is 474838161
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-one million eight hundred thirty-eight thousand four hundred seventy-four
Scientific notation
1.61838474 × 10^8
Engineering notation
1.61838474 × 10^6
Prime Factorization
2 × 3 × 7 × 7 × 550471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
23119782
Product of the distinct prime numbers
The prime factorization of 161838474 is 2 × 3 × 7 × 7 × 550471.
Since it has a total of 5 prime factors.
10 , 2 , 38 , 22 , 55 , 125 , 8925 , 7547 , 38894 , 81243 , 206606 , 823054 , 9548535 , 3569292 , 97482056 , 22092912 , 535528524 , 264396585 , 1356243594 , 3468959358
n×2
323676948
n×3
485515422
n×4
647353896
n×5
809192370
n÷2
80919237
n÷3
53946158
n÷3
40459618.5
n÷5
32367694.8
n2
26191691666648676
n3
4.2388234108089E+24
n4
6.8600471236079E+32
n5
1.1102195580528E+41
2 √n
12721.575138323
3 √n
544.95493721625
4 √n
112.78996027273
5 √n
43.834530060729
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 49 , 98 , 147 , 294 , 550471 , 1100942 , 1651413 , 3302826 , 3853297 , 7706594 , 11559891 , 23119782 , 26973079 , 53946158 , 80919237 , 161838474
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
-161838473
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 161838474 can be divided by 24 positive divisors.
The sum of these divisors (counting 161838474) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001010111010110001010
3
Ternary
102021112020122120
4
Quaternary
21221113112022
5
Quinary
312412312344
6
Senary
24020432110
8
Octal
1151272612
10
Decimal
161838474
12
Duodecimal
46248636
16
Hexadecimal
9a5758a
20
Vigesimal
2ab9g3e
36
Base36
2ocrd6
md5
356c1649fe6e57c03a3a99671fbd87a0
sha1
27b5ec364aecba680b37124bf65da034619e9fac
sha256
06fccdf18769f8ff26bb47287d33745fbbc8eba282e6152b558e39d2720d7cb2
sha512
834f69e0f22e3f34014cc05eeea0cbb839c5638749f84561c2a9a983383e6dc39c0ae71d79f786e820ed6081888f14093e2b00b5797a543454573263786e72c7
ripemd-160
b57ddcd8ce37e9a25ecbdab04b71021ba18968e1
Diameter
323676948
Circumference
1016861121.9732
Area
8.2283626125032E+16
Volume
1.7755541983016E+25
Surface area
3.2913450450013E+17
Circumference
1016861121.9732
Perimeter
647353896
Area
26191691666648676
Diagonal
228874164.84457
Surface area
157150149999892056
Volume
4.2388234108089E+24
Space diagonal
280312459.58741
Perimeter
485515422
Area
1.1341335175703E+16
Altitude
140156229.79371
Surface area
1.1341335175703E+16
Volume
4.9955012967255E+23
Height
76291388.281522