160987661 is an odd 9-digits composite number following 160987660
and preceding 160987662 . In scientific notation, it is written as 1.60987661 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 159107760 positive integers (up to 160987661) that are relatively prime to 160987661.
160987661 has 8 divisors, whose sum is 162873984
The reverse of 160987661 is 166789061
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty million nine hundred eighty-seven thousand six hundred sixty-one
Scientific notation
1.60987661 × 10^8
Engineering notation
1.60987661 × 10^6
Prime Factorization
103 × 631 × 2477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
160987661
Product of the distinct prime numbers
The prime factorization of 160987661 is 103 × 631 × 2477.
Since it has a total of 3 prime factors.
5 , 4 , 69 , 30 , 199 , 996 , 4226 , 2359 , 78459 , 76400 , 598343 , 942650 , 541588 , 2905498 , 17004341 , 53113225 , 465899443 , 750053704 , 7926816898 , 1455017705
n×2
321975322
n×3
482962983
n×4
643950644
n×5
804938305
n÷2
80493830.5
n÷3
53662553.666667
n÷3
40246915.25
n÷5
32197532.2
n2
25917026994250921
n3
4.1723215558783E+24
n4
6.7169228822073E+32
n5
1.0813417039239E+41
2 √n
12688.091306418
3 √n
543.99828453359
4 √n
112.64142802015
5 √n
43.788343685029
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-160987660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 160987661 can be divided by 8 positive divisors.
The sum of these divisors (counting 160987661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000111101000001101
3
Ternary
102012221000112222
4
Quaternary
21212013220031
5
Quinary
312203101121
6
Senary
23550305125
8
Octal
1146075015
10
Decimal
160987661
12
Duodecimal
45ab81a5
16
Hexadecimal
9987a0d
20
Vigesimal
2a63931
36
Base36
2nuivh
md5
b4247047e9bd76af855c602a6fee710c
sha1
4c9e9864a9456f59a5d3caff1b5b5ca9d50cd9ed
sha256
c3fb751e0243d6016810f66a2323b8cefa30fc6b82a50de2f77f3141278b258b
sha512
ca2af52eb57e47f741e273f65ec23abc9e7626f7e821dcbe6eef3aeca0d2554fa7a621090f989b718bd34f67efefc41b514eae8461d8df3ebc6e6dee421600c8
ripemd-160
92fa87039372bd195347d9b83d7a6f434717ffb8
Diameter
321975322
Circumference
1011515306.2324
Area
8.1420741608027E+16
Volume
1.7476979664482E+25
Surface area
3.2568296643211E+17
Circumference
1011515306.2324
Perimeter
643950644
Area
25917026994250921
Diagonal
227670933.56092
Surface area
155502161965505526
Volume
4.1723215558783E+24
Space diagonal
278838808.24367
Perimeter
482962983
Area
1.1222401883794E+16
Altitude
139419404.12184
Surface area
1.1222401883794E+16
Volume
4.9171281090873E+23
Height
75890311.186974