160987257 is an odd 9-digits composite number following 160987256
and preceding 160987258 . In scientific notation, it is written as 1.60987257 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 107311716 positive integers (up to 160987257) that are relatively prime to 160987257.
160987257 has 20 divisors, whose sum is 241506320
The reverse of 160987257 is 752789061
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty million nine hundred eighty-seven thousand two hundred fifty-seven
Scientific notation
1.60987257 × 10^8
Engineering notation
1.60987257 × 10^6
Prime Factorization
9 × 3 × 27 × 27 × 8179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5962491
Product of the distinct prime numbers
The prime factorization of 160987257 is 9 × 3 × 27 × 27 × 8179.
Since it has a total of 5 prime factors.
1 , 5 , 85 , 75 , 404 , 299 , 7016 , 119 , 72701 , 26810 , 465615 , 142763 , 1852944 , 4296469 , 97780155 , 24565366 , 640029789 , 374955808 , 4037294337 , 9331192171
n×2
321974514
n×3
482961771
n×4
643949028
n×5
804936285
n÷2
80493628.5
n÷3
53662419
n÷3
40246814.25
n÷5
32197451.4
n2
25916896916384049
n3
4.1722901445204E+24
n4
6.7168554577448E+32
n5
1.0813281358078E+41
2 √n
12688.075385968
3 √n
543.99782947699
4 √n
112.64135735141
5 √n
43.788321707558
1 , 3 , 9 , 27 , 81 , 243 , 729 , 2187 , 6561 , 8179 , 19683 , 24537 , 73611 , 220833 , 662499 , 1987497 , 5962491 , 17887473 , 53662419 , 160987257
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-160987256
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 160987257 can be divided by 20 positive divisors.
The sum of these divisors (counting 160987257) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110000111100001111001
3
Ternary
102012221000000000
4
Quaternary
21212013201321
5
Quinary
312203043012
6
Senary
23550303213
8
Octal
1146074171
10
Decimal
160987257
12
Duodecimal
45ab7b09
16
Hexadecimal
9987879
20
Vigesimal
2a6382h
36
Base36
2nuik9
md5
92bdce09a09dc84f773b02f8f1ed45e3
sha1
56abe7922e64cc4540c4b0f3c5c32e08b0de569e
sha256
fef92c1ba5069450db627312a06185f0fc58fef2891c7b5a5d12cb93416a2d98
sha512
4de530b531b07256d3c96f658b68ac967238109039d6c28bdb1dc82540d50901be62060937904a658d842f998c56fde7d421ebab53a3cd16ff57a5e8b42ec078
ripemd-160
93b231c82c58b9f743eca8c0ee98cedfa7de2d39
Diameter
321974514
Circumference
1011512767.8255
Area
8.1420332956356E+16
Volume
1.7476848088894E+25
Surface area
3.2568133182542E+17
Circumference
1011512767.8255
Perimeter
643949028
Area
25916896916384049
Diagonal
227670362.21864
Surface area
155501381498304294
Volume
4.1722901445204E+24
Space diagonal
278838108.49515
Perimeter
482961771
Area
1.1222345558426E+16
Altitude
139419054.24757
Surface area
1.1222345558426E+16
Volume
4.917091090447E+23
Height
75890120.739548