161006861 is an odd 9-digits composite number following 161006860
and preceding 161006862 . In scientific notation, it is written as 1.61006861 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 160658652 positive integers (up to 161006861) that are relatively prime to 161006861.
161006861 has 4 divisors, whose sum is 161355072
The reverse of 161006861 is 168600161
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-one million six thousand eight hundred sixty-one
Scientific notation
1.61006861 × 10^8
Engineering notation
1.61006861 × 10^6
Prime Factorization
463 × 347747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161006861
Product of the distinct prime numbers
The prime factorization of 161006861 is 463 × 347747.
Since it has a total of 2 prime factors.
10 , 8 , 93 , 76 , 946 , 487 , 3524 , 6267 , 16120 , 89364 , 329871 , 594995 , 6216720 , 5054579 , 86190658 , 30711119 , 545788059 , 851236087 , 7392347957 , 3202300215
n×2
322013722
n×3
483020583
n×4
644027444
n×5
805034305
n÷2
80503430.5
n÷3
53668953.666667
n÷3
40251715.25
n÷5
32201372.2
n2
25923209289073321
n3
4.1738145546797E+24
n4
6.720127798451E+32
n5
1.0819866823474E+41
2 √n
12688.847898844
3 √n
544.01991010787
4 √n
112.6447863811
5 √n
43.789388108047
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
-161006860
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 161006861 can be divided by 4 positive divisors.
The sum of these divisors (counting 161006861) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001100010100001101
3
Ternary
102012221222220002
4
Quaternary
21212030110031
5
Quinary
312204204421
6
Senary
23550534045
8
Octal
1146142415
10
Decimal
161006861
12
Duodecimal
45b07325
16
Hexadecimal
998c50d
20
Vigesimal
2a65h31
36
Base36
2nuxot
md5
b3533fab4bd6af1f73e6e589578bf3a7
sha1
fbe094be510efe8340f55dc8dd80951400104427
sha256
a06beeb9f6a4591173f9860d03506d90b0a17d84bd17a9f0d17ce53a592dcfc1
sha512
f9bc4d7c537b1ee0e488a3d0380895392629a0e135c5dd55af3875e455afd6d7262c5273ba1ab57ad2abda8c33bdafda91441a344df19de467495619af859004
ripemd-160
725c6f45295b38adae94b9f00626e279ae288888
Diameter
322013722
Circumference
1011635943.3903
Area
8.1440163860023E+16
Volume
1.7483233523237E+25
Surface area
3.2576065544009E+17
Circumference
1011635943.3903
Perimeter
644027444
Area
25923209289073321
Diagonal
227698086.46132
Surface area
155539255734439926
Volume
4.1738145546797E+24
Space diagonal
278872063.61918
Perimeter
483020583
Area
1.1225078895979E+16
Altitude
139436031.80959
Surface area
1.1225078895979E+16
Volume
4.9188876250486E+23
Height
75899362.153773