161036731 is an odd 9-digits composite number following 161036730
and preceding 161036732 . In scientific notation, it is written as 1.61036731 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 154035112 positive integers (up to 161036731) that are relatively prime to 161036731.
161036731 has 4 divisors, whose sum is 168038352
The reverse of 161036731 is 137630161
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred sixty-one million thirty-six thousand seven hundred thirty-one
Scientific notation
1.61036731 × 10^8
Engineering notation
1.61036731 × 10^6
Prime Factorization
23 × 7001597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161036731
Product of the distinct prime numbers
The prime factorization of 161036731 is 23 × 7001597.
Since it has a total of 2 prime factors.
6 , 6 , 42 , 21 , 442 , 158 , 2475 , 5318 , 76425 , 56338 , 569943 , 924783 , 2824344 , 5393386 , 89646761 , 15037961 , 34834504 , 71355689 , 3304363515 , 1542600199
n×2
322073462
n×3
483110193
n×4
644146924
n×5
805183655
n÷2
80518365.5
n÷3
53678910.333333
n÷3
40259182.75
n÷5
32207346.2
n2
25932828731166361
n3
4.1761379644499E+24
n4
6.7251160600001E+32
n5
1.082990705898E+41
2 √n
12690.024862072
3 √n
544.05355022694
4 √n
112.65001048412
5 √n
43.791012749336
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
-161036730
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 161036731 can be divided by 4 positive divisors.
The sum of these divisors (counting 161036731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010011100110111011
3
Ternary
102020000111212101
4
Quaternary
21212103212323
5
Quinary
312211133411
6
Senary
23551324231
8
Octal
1146234673
10
Decimal
161036731
12
Duodecimal
45b20677
16
Hexadecimal
99939bb
20
Vigesimal
2a69bgb
36
Base36
2nvkqj
md5
80e556378d59069a953ab86eb02d83d4
sha1
9a0e206ff9692c68d547acbfc99bc036f453330d
sha256
bdc403a7e94433cc61e978223f24f3eec72c175c46d21ce74f26097fedbcac2f
sha512
c866df7b45978d927b49a5da72a8ddd58daa88759bd1a102107e239db7e352b5bc0855fc7db1de8b662cab20775132596b95434041446da0b4961f8f2a9a0378
ripemd-160
afb916da4a8b0db947723d889bc4f5ec4fa096e4
Diameter
322073462
Circumference
1011823622.1354
Area
8.1470384228635E+16
Volume
1.7492965799324E+25
Surface area
3.2588153691454E+17
Circumference
1011823622.1354
Perimeter
644146924
Area
25932828731166361
Diagonal
227740329.02043
Surface area
155596972386998166
Volume
4.1761379644499E+24
Space diagonal
278923799.9768
Perimeter
483110193
Area
1.1229244236591E+16
Altitude
139461899.9884
Surface area
1.1229244236591E+16
Volume
4.9216257897219E+23
Height
75913443.006809