161871 is an odd 6-digits composite number following 161870
and preceding 161872 . In scientific notation, it is written as 1.61871 × 10^5.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 106392 positive integers (up to 161871) that are relatively prime to 161871.
161871 has 8 divisors, whose sum is 218880
The reverse of 161871 is 178161
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 24
Digital Root 6
Name
one hundred sixty-one thousand eight hundred seventy-one
Scientific notation
1.61871 × 10^5
Engineering notation
1.61871 × 10^3
Prime Factorization
3 × 79 × 683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161871
Product of the distinct prime numbers
The prime factorization of 161871 is 3 × 79 × 683.
Since it has a total of 3 prime factors.
6 , 9 , 60 , 100 , 92 , 723 , 5108 , 9869 , 82103 , 97583 , 787276 , 669144 , 2214833 , 9953231 , 73839571 , 71273907 , 766034942 , 222400991 , 6219311825 , 191818086
n×2
323742
n×3
485613
n×4
647484
n×5
809355
n÷2
80935.5
n÷3
53957
n÷3
40467.75
n÷5
32374.2
n2
26202220641
n3
4241379657379311
n4
6.8655636651965E+20
n5
1.111335656049E+26
2 √n
402.33195249694
3 √n
54.499144278571
4 √n
20.058214090415
5 √n
11.011178677054
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
-161870
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 161871 can be divided by 8 positive divisors.
The sum of these divisors (counting 161871) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100001001111
3
Ternary
22020001020
4
Quaternary
213201033
5
Quinary
20134441
6
Senary
3245223
8
Octal
474117
10
Decimal
161871
12
Duodecimal
79813
16
Hexadecimal
2784f
20
Vigesimal
104db
36
Base36
3gwf
md5
5b5c9c0ddd4a4f08b2800662c0042659
sha1
536dc928f10c3b663623aa3d12877736a5bbf243
sha256
92a02dece56651aaf5c4e3d516fd9aa51abb6f8bdd08ed0123f3ba254504d645
sha512
d6817bff05d0e29ba0a71fffc9f427f10122259de06248d7212d4c68de15e7cf7157f8deff50604d38736bc23be8f3084c9cef248963f41d2db35246dba56ffc
ripemd-160
837e7beced0e916afc4d8cd1b7cf0fa43f03215a
Diameter
323742
Circumference
1017065.4888585
Area
82316703873.504
Volume
1.7766249563611E+16
Surface area
329266815494.02
Circumference
1017065.4888585
Perimeter
647484
Area
26202220641
Diagonal
228920.1635549
Surface area
157213323846
Volume
4241379657379311
Space diagonal
280368.79627198
Perimeter
485613
Area
11345894355.335
Altitude
140184.39813599
Surface area
11345894355.335
Volume
4.9985138621993E+14
Height
76306.721184965