161520493 is an odd 9-digits composite number following 161520492
and preceding 161520494 . In scientific notation, it is written as 1.61520493 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 158999808 positive integers (up to 161520493) that are relatively prime to 161520493.
161520493 has 8 divisors, whose sum is 164057400
The reverse of 161520493 is 394025161
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million five hundred twenty thousand four hundred ninety-three
Scientific notation
1.61520493 × 10^8
Engineering notation
1.61520493 × 10^6
Prime Factorization
233 × 89 × 7789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161520493
Product of the distinct prime numbers
The prime factorization of 161520493 is 233 × 89 × 7789.
Since it has a total of 3 prime factors.
10 , 5 , 42 , 18 , 726 , 769 , 2597 , 6218 , 59380 , 92314 , 168717 , 730975 , 4935191 , 9518952 , 27074606 , 93189919 , 884554050 , 124261401 , 8280854781 , 9407351098
n×2
323040986
n×3
484561479
n×4
646081972
n×5
807602465
n÷2
80760246.5
n÷3
53840164.333333
n÷3
40380123.25
n÷5
32304098.6
n2
26088869658963049
n3
4.2138870891285E+24
n4
6.8062912008236E+32
n5
1.0993555102586E+41
2 √n
12709.071287864
3 √n
544.59779319429
4 √n
112.73451684317
5 √n
43.817291248597
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
-161520492
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 161520493 can be divided by 8 positive divisors.
The sum of these divisors (counting 161520493) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001101101101101
3
Ternary
102020221002110111
4
Quaternary
21220021231231
5
Quinary
312322123433
6
Senary
24005540021
8
Octal
1150115555
10
Decimal
161520493
12
Duodecimal
46114611
16
Hexadecimal
9a09b6d
20
Vigesimal
2a9a14d
36
Base36
2o5y0d
md5
2e60cf2a056965bd2ff6f7bc582f37d3
sha1
af02cc23fe5d793e2f7c728aac6058e990528705
sha256
665249ad4437fe4c63a807449333ae04f2efd8aa8c0e5dd7bcfc9a907e5c5e7d
sha512
6bf8f271552fcb6d439b466ea13ee72346732859957d8e23b6996d027a6b6830d8b5dfd3d48563b470ed391226b896068ddcc077e8feb82d7ee0ba3cf58b1993
ripemd-160
9ec382fb3e618c2b4e3e80234bae1cad1d472034
Diameter
323040986
Circumference
1014863188.426
Area
8.196060126106E+16
Volume
1.7651088963017E+25
Surface area
3.2784240504424E+17
Circumference
1014863188.426
Perimeter
646081972
Area
26088869658963049
Diagonal
228424471.80179
Surface area
156533217953778294
Volume
4.2138870891285E+24
Space diagonal
279761700.33957
Perimeter
484561479
Area
1.1296811940342E+16
Altitude
139880850.16979
Surface area
1.1296811940342E+16
Volume
4.9661135597953E+23
Height
76141490.600596