161004989 is an odd 9-digits prime number following 161004988
and preceding 161004990 . In scientific notation, it is written as 1.61004989 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 161004988 positive integers (up to 161004989) that are relatively prime to 161004989.
161004989 has 2 divisors, whose sum is 161004990
The reverse of 161004989 is 989400161
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million four thousand nine hundred eighty-nine
Scientific notation
1.61004989 × 10^8
Engineering notation
1.61004989 × 10^6
Prime Factorization
161004989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
161004989
Product of the distinct prime numbers
The prime factorization of 161004989 is 161004989.
Since it has a total of 1 prime factors.
9 , 7 , 53 , 93 , 691 , 485 , 7773 , 1936 , 281 , 71717 , 327535 , 658208 , 634663 , 1281969 , 62125451 , 58163675 , 483018059 , 442456612 , 6515447272 , 1152806667
n×2
322009978
n×3
483014967
n×4
644019956
n×5
805024945
n÷2
80502494.5
n÷3
53668329.666667
n÷3
40251247.25
n÷5
32200997.8
n2
25922606482890121
n3
4.1736689716291E+24
n4
6.7198152686678E+32
n5
1.0819237834139E+41
2 √n
12688.774133067
3 √n
544.01780169002
4 √n
112.64445895412
5 √n
43.789286281187
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
161004990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
80502495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12688.774172472
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999987578
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161004989 can be divided by 2 positive divisors.
The sum of these divisors (counting 161004989) is 161004990, the average is 80502495.
Base
System
Value
2
Binary
1001100110001011110110111101
3
Ternary
102012221220022202
4
Quaternary
21212023312331
5
Quinary
312204124424
6
Senary
23550521245
8
Octal
1146136675
10
Decimal
161004989
12
Duodecimal
45b06225
16
Hexadecimal
998bdbd
20
Vigesimal
2a65c99
36
Base36
2nuw8t
md5
2f6d36f0fd1910927e8c5973d47a46b4
sha1
b48510ecd750b8b869877dd3ffb08b8011e04b4b
sha256
e57602910c24ded47ae3e374516ff96701cb0781528226bcaecf345ba2f7f251
sha512
688d84eba080409a218b04a572a08a1c3851bb04ce8e6d48832744864ab361f58d26275fc7ed4b2b71661759335cacf2fdec4d6dee51d3357b7048f23a607496
ripemd-160
d8e2be45c8979bde20991f70089d249b55fc3d30
Diameter
322009978
Circumference
1011624181.2674
Area
8.1438270088547E+16
Volume
1.7482623706381E+25
Surface area
3.2575308035419E+17
Circumference
1011624181.2674
Perimeter
644019956
Area
25922606482890121
Diagonal
227695439.05353
Surface area
155535638897340726
Volume
4.1736689716291E+24
Space diagonal
278868821.22007
Perimeter
483014967
Area
1.1224817873245E+16
Altitude
139434410.61003
Surface area
1.1224817873245E+16
Volume
4.918716053778E+23
Height
75898479.68451