161799389 is an odd 9-digits composite number following 161799388
and preceding 161799390 . In scientific notation, it is written as 1.61799389 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 157731840 positive integers (up to 161799389) that are relatively prime to 161799389.
161799389 has 8 divisors, whose sum is 165914232
The reverse of 161799389 is 983997161
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-one million seven hundred ninety-nine thousand three hundred eighty-nine
Scientific notation
1.61799389 × 10^8
Engineering notation
1.61799389 × 10^6
Prime Factorization
61 × 113 × 23473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161799389
Product of the distinct prime numbers
The prime factorization of 161799389 is 61 × 113 × 23473.
Since it has a total of 3 prime factors.
1 , 2 , 35 , 18 , 796 , 634 , 3808 , 7238 , 50224 , 99968 , 135156 , 743901 , 819730 , 8474743 , 9718969 , 78391941 , 460140764 , 430114090 , 2493687493 , 9971482867
n×2
323598778
n×3
485398167
n×4
647197556
n×5
808996945
n÷2
80899694.5
n÷3
53933129.666667
n÷3
40449847.25
n÷5
32359877.8
n2
26179042280773321
n3
4.2357530456343E+24
n4
6.8534225473852E+32
n5
1.1088795807257E+41
2 √n
12720.038875727
3 √n
544.91106367971
4 √n
112.78314978633
5 √n
43.832412593732
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
-161799388
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 161799389 can be divided by 8 positive divisors.
The sum of these divisors (counting 161799389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001001101110011011101
3
Ternary
102021110021000222
4
Quaternary
21221031303131
5
Quinary
312410040024
6
Senary
24015531125
8
Octal
1151156335
10
Decimal
161799389
12
Duodecimal
46229aa5
16
Hexadecimal
9a4dcdd
20
Vigesimal
2ab4i99
36
Base36
2obx7h
md5
24b4e2b789e39d5d67273a53152a7ee9
sha1
4b012e9731e998bb527dab9e8b952324730ec869
sha256
2f544d570a7083f8c9adfa7b43327e851cdaaa2a1208beb85803b55486224cae
sha512
3967e373a17348db47e906a9b391d688371e874d3d2b9c390503761b694813ce6e904c0f71fa63bef833855cfb0c3347d91957d4b13a6ba4ff205a3458b3a518
ripemd-160
faa3a16e506be0045bfeae315eada1885dbaa5b9
Diameter
323598778
Circumference
1016615543.6754
Area
8.2243886907294E+16
Volume
1.7742680867447E+25
Surface area
3.2897554762918E+17
Circumference
1016615543.6754
Perimeter
647197556
Area
26179042280773321
Diagonal
228818890.30748
Surface area
157074253684639926
Volume
4.2357530456343E+24
Space diagonal
280244762.3816
Perimeter
485398167
Area
1.1335857830948E+16
Altitude
140122381.1908
Surface area
1.1335857830948E+16
Volume
4.991882836666E+23
Height
76272963.435827