161609986 is an even 9-digits composite number following 161609985
and preceding 161609987 . In scientific notation, it is written as 1.61609986 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 80786388 positive integers (up to 161609986) that are relatively prime to 161609986.
161609986 has 8 divisors, whose sum is 242470800
The reverse of 161609986 is 689906161
Previous prime number is 11699
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred sixty-one million six hundred nine thousand nine hundred eighty-six
Scientific notation
1.61609986 × 10^8
Engineering notation
1.61609986 × 10^6
Prime Factorization
2 × 11699 × 6907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161609986
Product of the distinct prime numbers
The prime factorization of 161609986 is 2 × 11699 × 6907.
Since it has a total of 3 prime factors.
6 , 2 , 52 , 23 , 83 , 313 , 9998 , 2583 , 53821 , 47768 , 646117 , 618323 , 6212727 , 5151504 , 17834245 , 53732560 , 292782482 , 271234004 , 8697745930 , 2251836715
n×2
323219972
n×3
484829958
n×4
646439944
n×5
808049930
n÷2
80804993
n÷3
53869995.333333
n÷3
40402496.5
n÷5
32321997.2
n2
26117787574920196
n3
4.2208952843338E+24
n4
6.8213882780866E+32
n5
1.1024044641221E+41
2 √n
12712.591631921
3 √n
544.69835564898
4 √n
112.75012918805
5 √n
43.822145706368
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161609985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161609986 can be divided by 8 positive divisors.
The sum of these divisors (counting 161609986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011111100100000010
3
Ternary
102021002122020001
4
Quaternary
21220133210002
5
Quinary
312333004421
6
Senary
24011510214
8
Octal
1150374402
10
Decimal
161609986
12
Duodecimal
4615836a
16
Hexadecimal
9a1f902
20
Vigesimal
2aa14j6
36
Base36
2o7v2a
md5
e4d1169fe197e21612236fdfd2874c9e
sha1
0178577e2bb369ea36a3e8664b5e14a2e6254499
sha256
f37eeb6c2e7721e51b4384fb6db77169f78c7c6647d43559d52a6460fcef6c50
sha512
fe3970157da63a7138b003c3a361e3521f9f3900e960510b7aef5888ad4ab7d57b88e3f59d07166c89938b0ac11a47b36b889ce11a2a4f60c57ed156fa331725
ripemd-160
8aa3706cfb0418bb24a00f3856c78351fb7c9c7a
Diameter
323219972
Circumference
1015425489.5287
Area
8.2051449573388E+16
Volume
1.7680444822447E+25
Surface area
3.2820579829355E+17
Circumference
1015425489.5287
Perimeter
646439944
Area
26117787574920196
Diagonal
228551034.01613
Surface area
156706725449521176
Volume
4.2208952843338E+24
Space diagonal
279916706.76249
Perimeter
484829958
Area
1.1309333765263E+16
Altitude
139958353.38125
Surface area
1.1309333765263E+16
Volume
4.9743727970513E+23
Height
76183678.005375