161899712 is an even 9-digits composite number following 161899711
and preceding 161899713 . In scientific notation, it is written as 1.61899712 × 10^8.
The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors.
There are 74722560 positive integers (up to 161899712) that are relatively prime to 161899712.
161899712 has 28 divisors, whose sum is 345984576
The reverse of 161899712 is 217998161
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty-one million eight hundred ninety-nine thousand seven hundred twelve
Scientific notation
1.61899712 × 10^8
Engineering notation
1.61899712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 13 × 194591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
5059366
Product of the distinct prime numbers
The prime factorization of 161899712 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 194591.
Since it has a total of 8 prime factors.
10 , 9 , 50 , 29 , 54 , 150 , 9725 , 1455 , 79344 , 79013 , 661601 , 129997 , 8369362 , 9911966 , 89938017 , 61141874 , 800224499 , 365829449 , 7310557192 , 2073211654
n×2
323799424
n×3
485699136
n×4
647598848
n×5
809498560
n÷2
80949856
n÷3
53966570.666667
n÷3
40474928
n÷5
32379942.4
n2
26211516745682944
n3
4.2436370122092E+24
n4
6.8704361010922E+32
n5
1.1123216260812E+41
2 √n
12723.981766727
3 √n
545.02366364721
4 √n
112.80062839686
5 √n
43.837846865056
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 64 , 104 , 208 , 416 , 832 , 194591 , 389182 , 778364 , 1556728 , 2529683 , 3113456 , 5059366 , 6226912 , 10118732 , 12453824 , 20237464 , 40474928 , 80949856 , 161899712
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161899711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161899712 can be divided by 28 positive divisors.
The sum of these divisors (counting 161899712) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001101001100110010011000000
3
Ternary
102021122100122122
4
Quaternary
21221212103000
5
Quinary
312421242322
6
Senary
24022023412
8
Octal
1151462300
10
Decimal
161899712
12
Duodecimal
46277b68
16
Hexadecimal
9a664c0
20
Vigesimal
2abh95c
36
Base36
2oe2m8
md5
0bf569629ec4d710d305920c745bd4c9
sha1
70b34ad06220876b071f0fe1cecbb575646c4484
sha256
d5f36b466be77ad03d00f7baf441f8209c07b358acbd6d64b4dacf0ccc2b1965
sha512
3c50db6188768540ed38d049ae584d90aa3fd05272db06c6cd234847b5456bf6de568d1be7c1cb4b603a49af48f038bf1e82a367aa58b01082eb91eb967baa06
ripemd-160
4881b05a90409b87397335d60309a99baf77030b
Diameter
323799424
Circumference
1017245891.675
Area
8.2345908447683E+16
Volume
1.7775705149411E+25
Surface area
3.2938363379073E+17
Circumference
1017245891.675
Perimeter
647598848
Area
26211516745682944
Diagonal
228960768.4547
Surface area
157269100474097664
Volume
4.2436370122092E+24
Space diagonal
280418526.91477
Perimeter
485699136
Area
1.1349919686741E+16
Altitude
140209263.45738
Surface area
1.1349919686741E+16
Volume
5.001174180379E+23
Height
76320256.151566