161907243 is an odd 9-digits composite number following 161907242
and preceding 161907244 . In scientific notation, it is written as 1.61907243 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 107747328 positive integers (up to 161907243) that are relatively prime to 161907243.
161907243 has 8 divisors, whose sum is 216258000
The reverse of 161907243 is 342709161
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred sixty-one million nine hundred seven thousand two hundred forty-three
Scientific notation
1.61907243 × 10^8
Engineering notation
1.61907243 × 10^6
Prime Factorization
3 × 569 × 94849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161907243
Product of the distinct prime numbers
The prime factorization of 161907243 is 3 × 569 × 94849.
Since it has a total of 3 prime factors.
10 , 1 , 97 , 52 , 477 , 264 , 8366 , 9716 , 66614 , 60420 , 700165 , 126347 , 9126872 , 6391450 , 74558072 , 31433620 , 908012988 , 321795187 , 4906724239 , 2065431715
n×2
323814486
n×3
485721729
n×4
647628972
n×5
809536215
n÷2
80953621.5
n÷3
53969081
n÷3
40476810.75
n÷5
32381448.6
n2
26213955335861049
n3
4.2442292365544E+24
n4
6.8717145435052E+32
n5
1.1125803564219E+41
2 √n
12724.277700522
3 √n
545.03211437167
4 √n
112.8019401452
5 √n
43.838254693678
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161907242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161907243 can be divided by 8 positive divisors.
The sum of these divisors (counting 161907243) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001101000001000101011
3
Ternary
102021122201222120
4
Quaternary
21221220020223
5
Quinary
312422012433
6
Senary
24022122323
8
Octal
1151501053
10
Decimal
161907243
12
Duodecimal
462803a3
16
Hexadecimal
9a6822b
20
Vigesimal
2abi823
36
Base36
2oe8ff
md5
80edd713f40d3f4380c7fe20f2349257
sha1
e19bd50a3ad37ff470c37c248f86d9d433b43ede
sha256
2cb66868dd551867ceb112a2c8d6fc7e360753744e617af51420c94ab9e12dbb
sha512
2b37183cb185f05cabcd6b6ce3ccc3d548020aa32c7dee59691737661d8ecaf02b18583f558c11a7ebb39c79664bc815bf94151b2d1ea3d2099c8803aaa4bda7
ripemd-160
0cb5218d75b725dd97ad0be76e098a944d62a78a
Diameter
323814486
Circumference
1017293210.3436
Area
8.2353569504672E+16
Volume
1.7778185852947E+25
Surface area
3.2941427801869E+17
Circumference
1017293210.3436
Perimeter
647628972
Area
26213955335861049
Diagonal
228971418.89704
Surface area
157283732015166294
Volume
4.2442292365544E+24
Space diagonal
280431570.9894
Perimeter
485721729
Area
1.1350975627263E+16
Altitude
140215785.4947
Surface area
1.1350975627263E+16
Volume
5.001872123463E+23
Height
76323806.299012