161728892 is an even 9-digits composite number following 161728891
and preceding 161728893 . In scientific notation, it is written as 1.61728892 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 74264256 positive integers (up to 161728892) that are relatively prime to 161728892.
161728892 has 24 divisors, whose sum is 306348000
The reverse of 161728892 is 298827161
Previous prime number is 199
Is Prime? no Number parity even Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred sixty-one million seven hundred twenty-eight thousand eight hundred ninety-two
Scientific notation
1.61728892 × 10^8
Engineering notation
1.61728892 × 10^6
Prime Factorization
2 × 2 × 13 × 199 × 15629
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80864446 Product of the distinct prime numbers
The prime factorization of 161728892 is 2 × 2 × 13 × 199 × 15629.
Since it has a total of 5 prime factors.
1 , 6 , 52 , 77 , 451 , 650 , 6473 , 712 , 56368 , 64693 , 374311 , 460944 , 5089500 , 2924268 , 41973328 , 80058908 , 36271434 , 713586615 , 3711134409 , 2679368142
n×2
323457784
n×3
485186676
n×4
646915568
n×5
808644460
n÷2
80864446
n÷3
53909630.666667
n÷3
40432223
n÷5
32345778.4
n2
26156234507547664
n3
4.2302188257978E+24
n4
6.8414860361383E+32
n5
1.1064659562581E+41
2 √n12717.267473793
3 √n544.83191180321
4 √n112.77086269863
5 √n43.828592316916
1 , 2 , 4 , 13 , 26 , 52 , 199 , 398 , 796 , 2587 , 5174 , 10348 , 15629 , 31258 , 62516 , 203177 , 406354 , 812708 , 3110171 , 6220342 , 12440684 , 40432223 , 80864446 , 161728892
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161728891 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161728892 can be divided by 24 positive divisors.
The sum of these divisors (counting 161728892) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111100100101111100
3
Ternary
102021022200022222
4
Quaternary
21220330211330
5
Quinary
312400311032
6
Senary
24014224512
8
Octal
1150744574
10
Decimal
161728892
12
Duodecimal
461b5138
16
Hexadecimal
9a3c97c
20
Vigesimal
2aag24c
36
Base36
2oaet8
md5
a94e32b8a1e54a4a35935c7ea49f55f2
sha1
da1f981981dbad4fbb0ac81dc61bd5be56011e55
sha256
3519af5de7219aea11d685be62a07cf4e5ec1905576a4d1eb00304de4b3e700f
sha512
db33ac0b7fa11fce55899797fe264700ac1ce4dd0467b7bd88c340588bd90585379d3672df2452c65298a4f9fed745dfd9253be3932d5630b1b47a768c45e144
ripemd-160
b3fe83e458acf82666bc90b14621b613dfc7be86
Diameter
323457784
Circumference
1016172597.9608
Area
8.2172234174484E+16
Volume
1.7719499181605E+25
Surface area
3.2868893669793E+17
Circumference
1016172597.9608
Perimeter
646915568
Area
26156234507547664
Diagonal
228719192.49397
Surface area
156937407045285984
Volume
4.2302188257978E+24
Space diagonal
280122657.99582
Perimeter
485186676
Area
1.132598177544E+16
Altitude
140061328.99791
Surface area
1.132598177544E+16
Volume
4.9853606960411E+23
Height
76239730.831325