161838995 is an odd 9-digits composite number following 161838994
and preceding 161838996 . In scientific notation, it is written as 1.61838995 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 124618368 positive integers (up to 161838995) that are relatively prime to 161838995.
161838995 has 16 divisors, whose sum is 201528000
The reverse of 161838995 is 599838161
Previous prime number is 359
Is Prime? no Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred sixty-one million eight hundred thirty-eight thousand nine hundred ninety-five
Scientific notation
1.61838995 × 10^8
Engineering notation
1.61838995 × 10^6
Prime Factorization
29 × 5 × 359 × 3109
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161838995 Product of the distinct prime numbers
The prime factorization of 161838995 is 29 × 5 × 359 × 3109.
Since it has a total of 4 prime factors.
8 , 1 , 5 , 18 , 326 , 600 , 9655 , 8611 , 52106 , 69586 , 245219 , 406275 , 5596668 , 7334661 , 33520673 , 63340315 , 339325461 , 792215965 , 5068179581 , 5854580053
n×2
323677990
n×3
485516985
n×4
647355980
n×5
809194975
n÷2
80919497.5
n÷3
53946331.666667
n÷3
40459748.75
n÷5
32367799
n2
26191860302610025
n3
4.2388643485548E+24
n4
6.8601354611144E+32
n5
1.1102374285906E+41
2 √n12721.595615331
3 √n544.95552199936
4 √n112.79005104765
5 √n43.834558283636
1 , 5 , 29 , 145 , 359 , 1795 , 3109 , 10411 , 15545 , 52055 , 90161 , 450805 , 1116131 , 5580655 , 32367799 , 161838995
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161838994 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161838995 can be divided by 16 positive divisors.
The sum of these divisors (counting 161838995) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001010111011110010011
3
Ternary
102021112021100212
4
Quaternary
21221113132103
5
Quinary
312412321440
6
Senary
24020434335
8
Octal
1151273623
10
Decimal
161838995
12
Duodecimal
462489ab
16
Hexadecimal
9a57793
20
Vigesimal
2ab9h9f
36
Base36
2ocrrn
md5
3a10e137fff2498c8cc0922cb8b9ad08
sha1
ade462a0a15cae213273aaa335c78676098802f0
sha256
dfa90e8f80c2b22156cca9315bd662ea10051c8a2de9f867cf3483f7a5269d1e
sha512
23b7ac8aee8ad4febbb50799166c3610b5f15d1bbba1c73feba94101be746913a3afb4521c2012ffb31f8a1c2f98b3bac42e0cbe979d0147a6dbaffa26025e75
ripemd-160
697ac70ee426e10d1316f688643ca25eb6262339
Diameter
323677990
Circumference
1016864395.5127
Area
8.228415591053E+16
Volume
1.7755713462645E+25
Surface area
3.2913662364212E+17
Circumference
1016864395.5127
Perimeter
647355980
Area
26191860302610025
Diagonal
228874901.64983
Surface area
157151161815660150
Volume
4.2388643485548E+24
Space diagonal
280313361.98589
Perimeter
485516985
Area
1.1341408197217E+16
Altitude
140156680.99294
Surface area
1.1341408197217E+16
Volume
4.9955495423217E+23
Height
76291633.883277