161834985 is an odd 9-digits composite number following 161834984
and preceding 161834986 . In scientific notation, it is written as 1.61834985 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 74981376 positive integers (up to 161834985) that are relatively prime to 161834985.
161834985 has 4 divisors, whose sum is 161861204
The reverse of 161834985 is 589438161
Previous prime number is 9945
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred sixty-one million eight hundred thirty-four thousand nine hundred eighty-five
Scientific notation
1.61834985 × 10^8
Engineering notation
1.61834985 × 10^6
Prime Factorization
9945 × 16273
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
161834985 Product of the distinct prime numbers
The prime factorization of 161834985 is 9945 × 16273.
Since it has a total of 2 prime factors.
8 , 3 , 5 , 93 , 779 , 992 , 7974 , 3356 , 71685 , 68049 , 207399 , 412974 , 1009919 , 9810033 , 42279218 , 7610716 , 302823823 , 857993762 , 2656600047 , 4732995358
n×2
323669970
n×3
485504955
n×4
647339940
n×5
809174925
n÷2
80917492.5
n÷3
53944995
n÷3
40458746.25
n÷5
32366997
n2
26190562369950225
n3
4.2385492682825E+24
n4
6.8594555725425E+32
n5
1.1100998896906E+41
2 √n12721.438008339
3 √n544.9510210452
4 √n112.78935237131
5 √n43.834341057471
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
-161834984 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 161834985 can be divided by 4 positive divisors.
The sum of these divisors (counting 161834985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001010110011111101001
3
Ternary
102021112001212100
4
Quaternary
21221112133221
5
Quinary
312412204420
6
Senary
24020404013
8
Octal
1151263751
10
Decimal
161834985
12
Duodecimal
46246609
16
Hexadecimal
9a567e9
20
Vigesimal
2ab9795
36
Base36
2ocoo9
md5
88f5f85787e460ca78916d552cfffea3
sha1
620e0404737826451ceae3e21cfb592c68535fc2
sha256
a1e897ff3de023b892e16afc01216a875cf625254cc220ec1cbc22ba1871430a
sha512
409a33d7819bcbf0b7daea3d91d7b3796476e9cbaae2e1b3752b980cf9c811246b62a3423584a75c89669f68dc9d9cb3e63bdb18c218ee3f94844aca754a9553
ripemd-160
d80f7e7222b356f164d1e40a45a57d78482e1041
Diameter
323669970
Circumference
1016839199.9396
Area
8.2280078334821E+16
Volume
1.7754393657486E+25
Surface area
3.2912031333928E+17
Circumference
1016839199.9396
Perimeter
647339940
Area
26190562369950225
Diagonal
228869230.65345
Surface area
157143374219701350
Volume
4.2385492682825E+24
Space diagonal
280306416.46215
Perimeter
485504955
Area
1.1340846175889E+16
Altitude
140153208.23107
Surface area
1.1340846175889E+16
Volume
4.9951782166597E+23
Height
76289743.551149