160990945 is an odd 9-digits composite number following 160990944
and preceding 160990946 . In scientific notation, it is written as 1.60990945 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 125931520 positive integers (up to 160990945) that are relatively prime to 160990945.
160990945 has 16 divisors, whose sum is 197506512
The reverse of 160990945 is 549099061
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty million nine hundred ninety thousand nine hundred forty-five
Scientific notation
1.60990945 × 10^8
Engineering notation
1.60990945 × 10^6
Prime Factorization
5 × 353 × 53 × 1721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
160990945
Product of the distinct prime numbers
The prime factorization of 160990945 is 5 × 353 × 53 × 1721.
Since it has a total of 4 prime factors.
4 , 9 , 41 , 97 , 15 , 905 , 4936 , 3639 , 26056 , 25546 , 230804 , 241848 , 4252656 , 5654168 , 67162183 , 63008008 , 462100050 , 766334650 , 5183742075 , 4246317113
n×2
321981890
n×3
482972835
n×4
643963780
n×5
804954725
n÷2
80495472.5
n÷3
53663648.333333
n÷3
40247736.25
n÷5
32198189
n2
25918084371993025
n3
4.1725768956369E+24
n4
6.7174709751375E+32
n5
1.0814520002975E+41
2 √n
12688.220718446
3 √n
544.00198352975
4 √n
112.6420024611
5 √n
43.788522331947
1 , 5 , 53 , 265 , 353 , 1721 , 1765 , 8605 , 18709 , 91213 , 93545 , 456065 , 607513 , 3037565 , 32198189 , 160990945
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
-160990944
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 160990945 can be divided by 16 positive divisors.
The sum of these divisors (counting 160990945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000011011100001
3
Ternary
102012221012001121
4
Quaternary
21212020123201
5
Quinary
312203202240
6
Senary
23550332241
8
Octal
1146103341
10
Decimal
160990945
12
Duodecimal
45aba081
16
Hexadecimal
99886e1
20
Vigesimal
2a63h75
36
Base36
2nulep
md5
8f0f4667ace893f1063e81e58313bc86
sha1
79156f141f54d7d8831c26f5e3b94b1ba85422e6
sha256
4b8ddf2d42d5a3f86577ec1b2753203c7338e2735859a3f22d52fd154f3cb724
sha512
b10dde93d0877fb16209a99aa0a7bcfbee168337663cefb6f88615373958c80aa294e8ac37e87e3834cdc637584e7fd43dd8a0d2c95d78b9321cdc8c1cb801e3
ripemd-160
4ee6a6b4e91080ed0f0a346032677947ef547cce
Diameter
321981890
Circumference
1011535940.213
Area
8.1424063458174E+16
Volume
1.7478049229162E+25
Surface area
3.2569625383269E+17
Circumference
1011535940.213
Perimeter
643963780
Area
25918084371993025
Diagonal
227675577.83826
Surface area
155508506231958150
Volume
4.1725768956369E+24
Space diagonal
278844496.29853
Perimeter
482972835
Area
1.1222859741787E+16
Altitude
139422248.14926
Surface area
1.1222859741787E+16
Volume
4.9174290298786E+23
Height
75891859.27942