161663982 is an even 9-digits composite number following 161663981
and preceding 161663983 . In scientific notation, it is written as 1.61663982 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 50718080 positive integers (up to 161663982) that are relatively prime to 161663982.
161663982 has 16 divisors, whose sum is 342347472
The reverse of 161663982 is 289366161
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-one million six hundred sixty-three thousand nine hundred eighty-two
Scientific notation
1.61663982 × 10^8
Engineering notation
1.61663982 × 10^6
Prime Factorization
2 × 3 × 17 × 1584941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161663982
Product of the distinct prime numbers
The prime factorization of 161663982 is 2 × 3 × 17 × 1584941.
Since it has a total of 4 prime factors.
8 , 3 , 21 , 85 , 644 , 695 , 6682 , 7940 , 37796 , 97619 , 700951 , 338511 , 1144163 , 7968961 , 55335702 , 4256506 , 644353527 , 540831881 , 6800071167 , 3147803200
n×2
323327964
n×3
484991946
n×4
646655928
n×5
808319910
n÷2
80831991
n÷3
53887994
n÷3
40415995.5
n÷5
32332796.4
n2
26135243076096324
n3
4.2251274662197E+24
n4
6.8305093064664E+32
n5
1.1042473335714E+41
2 √n
12714.715175732
3 √n
544.75901249772
4 √n
112.75954582975
5 √n
43.825073624955
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 1584941 , 3169882 , 4754823 , 9509646 , 26943997 , 53887994 , 80831991 , 161663982
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161663981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161663982 can be divided by 16 positive divisors.
The sum of these divisors (counting 161663982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000101100101111101110
3
Ternary
102021012101021220
4
Quaternary
21220230233232
5
Quinary
312341221412
6
Senary
24013004210
8
Octal
1150545756
10
Decimal
161663982
12
Duodecimal
46183666
16
Hexadecimal
9a2cbee
20
Vigesimal
2aa7jj2
36
Base36
2o90q6
md5
8be2ebd6381f6b86a0a8dcc3023e69b8
sha1
05914d8ba35ad140da2fb4c8a432db5b9073b84e
sha256
116c74cd411c66f8cc220901d00f259212a53f32b73856ed49367c68790d9948
sha512
64e606f9a1b7b3c9940df9e7f22890cdcbe434ab843892639fcd24c1b51c0c90d69d2806315c6366f6d6d5cfa9c085e76e1b351ec45ab226af9c1a03912398bd
ripemd-160
cc0e161a44583c4aa2d98a9011197e78e828b147
Diameter
323327964
Circumference
1015764756.4025
Area
8.2106287647648E+16
Volume
1.7698172544475E+25
Surface area
3.2842515059059E+17
Circumference
1015764756.4025
Perimeter
646655928
Area
26135243076096324
Diagonal
228627395.89164
Surface area
156811458456577944
Volume
4.2251274662197E+24
Space diagonal
280010230.5779
Perimeter
484991946
Area
1.131689221899E+16
Altitude
140005115.28895
Surface area
1.131689221899E+16
Volume
4.9793604712358E+23
Height
76209131.96388