161749135 is an odd 9-digits composite number following 161749134
and preceding 161749136 . In scientific notation, it is written as 1.61749135 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 121787520 positive integers (up to 161749135) that are relatively prime to 161749135.
161749135 has 4 divisors, whose sum is 163652152
The reverse of 161749135 is 531947161
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-one million seven hundred forty-nine thousand one hundred thirty-five
Scientific notation
1.61749135 × 10^8
Engineering notation
1.61749135 × 10^6
Prime Factorization
85 × 1902931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161749135
Product of the distinct prime numbers
The prime factorization of 161749135 is 85 × 1902931.
Since it has a total of 2 prime factors.
2 , 9 , 3 , 97 , 427 , 853 , 3811 , 9786 , 41748 , 29055 , 389430 , 812214 , 3024361 , 5747061 , 33065445 , 50814627 , 965837200 , 882840944 , 6981741169 , 647441374
n×2
323498270
n×3
485247405
n×4
646996540
n×5
808745675
n÷2
80874567.5
n÷3
53916378.333333
n÷3
40437283.75
n÷5
32349827
n2
26162782673248225
n3
4.2318074665909E+24
n4
6.8449119720762E+32
n5
1.1071585906345E+41
2 √n
12718.063335272
3 √n
544.8546423785
4 √n
112.7743913097
5 √n
43.829689434155
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161749134
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161749135 can be divided by 4 positive divisors.
The sum of these divisors (counting 161749135) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000001100010001111
3
Ternary
102021100201002201
4
Quaternary
21221001202033
5
Quinary
312401433020
6
Senary
24014502331
8
Octal
1151014217
10
Decimal
161749135
12
Duodecimal
462049a7
16
Hexadecimal
9a4188f
20
Vigesimal
2aaicgf
36
Base36
2oaufj
md5
7d70289e5ff0d9c480edfdd7b34fc2cd
sha1
7047abacc123f7ceaa9461fff9792fdc4615e304
sha256
1794ffac047598c9d47c45703919e7f65b670aa976b380811f0ef0dd36df7f99
sha512
5773b52cd68784eeb1bcb9cd1e5a9fd030470aa0f081e89f8397d1dab734c27ac1734526d22d80272f076e1291b36495b67b5d725af34637507002e8c0287bf3
ripemd-160
4817f8ffd1846e65edd62003482d52137521f99c
Diameter
323498270
Circumference
1016299788.481
Area
8.2192805843743E+16
Volume
1.7726153664598E+25
Surface area
3.2877122337497E+17
Circumference
1016299788.481
Perimeter
646996540
Area
26162782673248225
Diagonal
228747820.41912
Surface area
156976696039489350
Volume
4.2318074665909E+24
Space diagonal
280157719.90032
Perimeter
485247405
Area
1.1328817214362E+16
Altitude
140078859.95016
Surface area
1.1328817214362E+16
Volume
4.9872329271705E+23
Height
76249273.473039