161066421 is an odd 9-digits composite number following 161066420
and preceding 161066422 . In scientific notation, it is written as 1.61066421 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 103284720 positive integers (up to 161066421) that are relatively prime to 161066421.
161066421 has 16 divisors, whose sum is 173465600
The reverse of 161066421 is 124660161
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred sixty-one million sixty-six thousand four hundred twenty-one
Scientific notation
1.61066421 × 10^8
Engineering notation
1.61066421 × 10^6
Prime Factorization
27 × 31 × 199 × 967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161066421
Product of the distinct prime numbers
The prime factorization of 161066421 is 27 × 31 × 199 × 967.
Since it has a total of 4 prime factors.
8 , 3 , 9 , 78 , 485 , 573 , 9098 , 1878 , 16527 , 21045 , 381423 , 291088 , 3462144 , 1934736 , 6421748 , 50947136 , 684383399 , 709559679 , 8400336255 , 3056839943
n×2
322132842
n×3
483199263
n×4
644265684
n×5
805332105
n÷2
80533210.5
n÷3
53688807
n÷3
40266605.25
n÷5
32213284.2
n2
25942391973749241
n3
4.1784482273909E+24
n4
6.7300770131965E+32
n5
1.0839894175699E+41
2 √n
12691.194624621
3 √n
544.08698350479
4 √n
112.65520238596
5 √n
43.792627361466
1 , 27 , 31 , 199 , 837 , 967 , 5373 , 6169 , 26109 , 29977 , 166563 , 192433 , 809379 , 5195691 , 5965423 , 161066421
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
-161066420
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 161066421 can be divided by 16 positive divisors.
The sum of these divisors (counting 161066421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110011010110110110101
3
Ternary
102020002000121000
4
Quaternary
21212122312311
5
Quinary
312213111141
6
Senary
23552113513
8
Octal
1146326665
10
Decimal
161066421
12
Duodecimal
45b35899
16
Hexadecimal
999adb5
20
Vigesimal
2a6d611
36
Base36
2nw7n9
md5
4f18003cee8cab7f6460a1e920c89680
sha1
c3bee87d5e5abbd4d7adb862b56d7b99d3f84420
sha256
ed5d195432abb6783c399c4e7955a8f971f25ff2b8416c9ddb561f5276809970
sha512
2e2d46c03c87c3c822af02abe1ce60b61690a2b4f262aa97c0a34d77eb84ba7cddf72a68f99ef23833f9ad94e89464e8ee471433354e3fde6fc5b08a3f86d6d0
ripemd-160
8a9e17f976fb5fb11d288ac64ebaa5c649dea70c
Diameter
322132842
Circumference
1012010169.9072
Area
8.1500428041277E+16
Volume
1.7502643006102E+25
Surface area
3.2600171216511E+17
Circumference
1012010169.9072
Perimeter
644265684
Area
25942391973749241
Diagonal
227782317.02109
Surface area
155654351842495446
Volume
4.1784482273909E+24
Space diagonal
278975224.56528
Perimeter
483199263
Area
1.12333852421E+16
Altitude
139487612.28264
Surface area
1.12333852421E+16
Volume
4.9243484607084E+23
Height
75927439.007032