161640115 is an odd 9-digits composite number following 161640114
and preceding 161640116 . In scientific notation, it is written as 1.61640115 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 101969280 positive integers (up to 161640115) that are relatively prime to 161640115.
161640115 has 32 divisors, whose sum is 239533056
The reverse of 161640115 is 511046161
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one million six hundred forty thousand one hundred fifteen
Scientific notation
1.61640115 × 10^8
Engineering notation
1.61640115 × 10^6
Prime Factorization
13 × 5 × 7 × 631 × 563
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161640115
Product of the distinct prime numbers
The prime factorization of 161640115 is 13 × 5 × 7 × 631 × 563.
Since it has a total of 5 prime factors.
8 , 9 , 27 , 82 , 685 , 285 , 1748 , 3904 , 36910 , 86357 , 919504 , 792980 , 621819 , 667306 , 43261982 , 84600170 , 291892857 , 913323392 , 7466407392 , 585891819
n×2
323280230
n×3
484920345
n×4
646560460
n×5
808200575
n÷2
80820057.5
n÷3
53880038.333333
n÷3
40410028.75
n÷5
32328023
n2
26127526777213225
n3
4.2232564329343E+24
n4
6.8264765549399E+32
n5
1.1034324553853E+41
2 √n
12713.776582904
3 √n
544.73220297368
4 √n
112.75538383112
5 √n
43.823779539788
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 563 , 631 , 2815 , 3155 , 3941 , 4417 , 7319 , 8203 , 19705 , 22085 , 36595 , 41015 , 51233 , 57421 , 256165 , 287105 , 355253 , 1776265 , 2486771 , 4618289 , 12433855 , 23091445 , 32328023 , 161640115
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161640114
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161640115 can be divided by 32 positive divisors.
The sum of these divisors (counting 161640115) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000100110111010110011
3
Ternary
102021011011112221
4
Quaternary
21220212322303
5
Quinary
312334440430
6
Senary
24012301511
8
Octal
1150467263
10
Decimal
161640115
12
Duodecimal
46171897
16
Hexadecimal
9a26eb3
20
Vigesimal
2aa505f
36
Base36
2o8ib7
md5
51ed126933ab7a3269eddbc4abe993a9
sha1
8f63346ae7af51269a7afbb41a25b7db61610c67
sha256
e982d027e2a8da537cbfbf4cc9883ee4e765cc77acf92a82fec9e7e5bdc0d7cb
sha512
f3a82bc4605b7a0a9096106381bea3cc2dd4097d2f9ccea41932adbe30e549ebac958143da556a0a8e1ac9bd1e1a2b79a1bf4d340f89cb748af31400432b0821
ripemd-160
41a6e4eea75dfb193cc275b0f85763316324572d
Diameter
323280230
Circumference
1015614795.6188
Area
8.2082046179764E+16
Volume
1.7690335178576E+25
Surface area
3.2832818471905E+17
Circumference
1015614795.6188
Perimeter
646560460
Area
26127526777213225
Diagonal
228593642.85655
Surface area
156765160663279350
Volume
4.2232564329343E+24
Space diagonal
279968891.72128
Perimeter
484920345
Area
1.1313550963562E+16
Altitude
139984445.86064
Surface area
1.1313550963562E+16
Volume
4.9771554373626E+23
Height
76197880.952182