160991980 is an even 9-digits composite number following 160991979
and preceding 160991981 . In scientific notation, it is written as 1.60991980 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 63758400 positive integers (up to 160991980) that are relatively prime to 160991980.
160991980 has 24 divisors, whose sum is 341434800
The reverse of 160991980 is 089199061
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty million nine hundred ninety-one thousand nine hundred eighty
Scientific notation
1.60991980 × 10^8
Engineering notation
1.60991980 × 10^6
Prime Factorization
2 × 2 × 5 × 101 × 79699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80495990
Product of the distinct prime numbers
The prime factorization of 160991980 is 2 × 2 × 5 × 101 × 79699.
Since it has a total of 5 prime factors.
3 , 8 , 89 , 46 , 268 , 850 , 9677 , 8352 , 69426 , 34365 , 712478 , 488933 , 6890243 , 9118303 , 38686542 , 95675025 , 988335197 , 181655060 , 858219723 , 4701137801
n×2
321983960
n×3
482975940
n×4
643967920
n×5
804959900
n÷2
80495990
n÷3
53663993.333333
n÷3
40247995
n÷5
32198396
n2
25918417624320400
n3
4.1726573718062E+24
n4
6.7176437214868E+32
n5
1.0814867636567E+41
2 √n
12688.261504241
3 √n
544.00314931135
4 √n
112.64218350263
5 √n
43.788578634498
1 , 2 , 4 , 5 , 10 , 20 , 101 , 202 , 404 , 505 , 1010 , 2020 , 79699 , 159398 , 318796 , 398495 , 796990 , 1593980 , 8049599 , 16099198 , 32198396 , 40247995 , 80495990 , 160991980
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
-160991979
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 160991980 can be divided by 24 positive divisors.
The sum of these divisors (counting 160991980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110001000101011101100
3
Ternary
102012221020110221
4
Quaternary
21212020223230
5
Quinary
312203220410
6
Senary
23550341124
8
Octal
1146105354
10
Decimal
160991980
12
Duodecimal
45aba7a4
16
Hexadecimal
9988aec
20
Vigesimal
2a63jj0
36
Base36
2num7g
md5
931662d03dc39b4a9b7d752ae7fbe7a2
sha1
f0e43de500038d7785edcf4565c818fba62308b1
sha256
21cf43bcc3a04ff3f0f93a2f4cf687b3225ca1ec0b623f1adeb85ace9fff5f8b
sha512
c027babb9b3aef13bb65d0f51147cc6339e2dc1c37748f36d16a5ef3855bdfb5b41acd0ffcab412cdceed7387cd54fafe34bd1d850309d4538a88b08ed910567
ripemd-160
706e3de287bb389ec80b40a6949ad3b152ae0a9c
Diameter
321983960
Circumference
1011542443.3097
Area
8.1425110401237E+16
Volume
1.7478386326952E+25
Surface area
3.2570044160495E+17
Circumference
1011542443.3097
Perimeter
643967920
Area
25918417624320400
Diagonal
227677041.5493
Surface area
155510505745922400
Volume
4.1726573718062E+24
Space diagonal
278846288.97111
Perimeter
482975940
Area
1.1223004044278E+16
Altitude
139423144.48556
Surface area
1.1223004044278E+16
Volume
4.9175238719537E+23
Height
75892347.183099