161031306 is an even 9-digits composite number following 161031305
and preceding 161031307 . In scientific notation, it is written as 1.61031306 × 10^8.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 52382960 positive integers (up to 161031306) that are relatively prime to 161031306.
161031306 has 32 divisors, whose sum is 329868288
The reverse of 161031306 is 603130161
Previous prime number is 491
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred sixty-one million thirty-one thousand three hundred six
Scientific notation
1.61031306 × 10^8
Engineering notation
1.61031306 × 10^6
Prime Factorization
2 × 47 × 3 × 491 × 1163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161031306
Product of the distinct prime numbers
The prime factorization of 161031306 is 2 × 47 × 3 × 491 × 1163.
Since it has a total of 5 prime factors.
10 , 5 , 12 , 9 , 904 , 112 , 1292 , 375 , 51712 , 84971 , 680693 , 449916 , 5609643 , 2329939 , 52596329 , 77616188 , 387385921 , 359982588 , 9914287632 , 207332861
n×2
322062612
n×3
483093918
n×4
644125224
n×5
805156530
n÷2
80515653
n÷3
53677102
n÷3
40257826.5
n÷5
32206261.2
n2
25931081512065636
n3
4.1757159218804E+24
n4
6.7242098838539E+32
n5
1.0828082994151E+41
2 √n
12689.811109705
3 √n
544.04744080574
4 √n
112.64906173469
5 √n
43.790717699325
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 491 , 982 , 1163 , 1473 , 2326 , 2946 , 3489 , 6978 , 23077 , 46154 , 54661 , 69231 , 109322 , 138462 , 163983 , 327966 , 571033 , 1142066 , 1713099 , 3426198 , 26838551 , 53677102 , 80515653 , 161031306
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161031305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161031306 can be divided by 32 positive divisors.
The sum of these divisors (counting 161031306) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010010010010001010
3
Ternary
102020000020102110
4
Quaternary
21212102102022
5
Quinary
312211000211
6
Senary
23551243150
8
Octal
1146222212
10
Decimal
161031306
12
Duodecimal
45b194b6
16
Hexadecimal
999248a
20
Vigesimal
2a68i56
36
Base36
2nvgju
md5
e266072728970fef64d2216d290c12c1
sha1
f96d5a28a845014894b7e75702e323c05247b66f
sha256
5f65337a5513f5c3cb6f792a65b4b6b7f3b67cf377d6b412b2e7dcf51dbf2f8b
sha512
e90ad6420eae14d7a34abc4ee74fd97d582dc9aebe0ba7e7baef1567fbafc77ca48ecbdabe47156e303fabf5037bb1d95bc013d047fb876728eb816ba948aed7
ripemd-160
9905cbf9a17901e327a068e09487e5556869e913
Diameter
322062612
Circumference
1011789535.8551
Area
8.1464895177944E+16
Volume
1.7491197951543E+25
Surface area
3.2585958071177E+17
Circumference
1011789535.8551
Perimeter
644125224
Area
25931081512065636
Diagonal
227732656.91185
Surface area
155586489072393816
Volume
4.1757159218804E+24
Space diagonal
278914403.60117
Perimeter
483093918
Area
1.1228487668527E+16
Altitude
139457201.80059
Surface area
1.1228487668527E+16
Volume
4.9211284077838E+23
Height
75910885.637284