121189689 is an odd 9-digits composite number following 121189688
and preceding 121189690 . In scientific notation, it is written as 1.21189689 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 78592032 positive integers (up to 121189689) that are relatively prime to 121189689.
121189689 has 24 divisors, whose sum is 183211392
The reverse of 121189689 is 986981121
Previous prime number is 111
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-one million one hundred eighty-nine thousand six hundred eighty-nine
Scientific notation
1.21189689 × 10^8
Engineering notation
1.21189689 × 10^6
Prime Factorization
3 × 9 × 9 × 111 × 4493
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
13465521
Product of the distinct prime numbers
The prime factorization of 121189689 is 3 × 9 × 9 × 111 × 4493.
Since it has a total of 5 prime factors.
2 , 6 , 98 , 85 , 861 , 51 , 2609 , 796 , 86420 , 55771 , 437839 , 971038 , 8781683 , 1608873 , 13424459 , 6471093 , 654456319 , 818083256 , 1925185185 , 5564368245
n×2
242379378
n×3
363569067
n×4
484758756
n×5
605948445
n÷2
60594844.5
n÷3
40396563
n÷3
30297422.25
n÷5
24237937.8
n2
14686940719916721
n3
1.7799057782081E+24
n4
2.1570622771035E+32
n5
2.614137065158E+40
2 √n
11008.618850701
3 √n
494.8670717444
4 √n
104.92196553011
5 √n
41.37072523368
1 , 3 , 9 , 27 , 81 , 111 , 243 , 333 , 999 , 2997 , 4493 , 8991 , 13479 , 26973 , 40437 , 121311 , 363933 , 498723 , 1091799 , 1496169 , 4488507 , 13465521 , 40396563 , 121189689
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
-121189688
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 121189689 can be divided by 24 positive divisors.
The sum of these divisors (counting 121189689) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111001110010011010100111001
3
Ternary
22110001002000000
4
Quaternary
13032103110321
5
Quinary
222011032224
6
Senary
20005303213
8
Octal
716232471
10
Decimal
121189689
12
Duodecimal
34704b09
16
Hexadecimal
7393539
20
Vigesimal
1hh8e49
36
Base36
205ik9
md5
d88cbb35b134edc79a58421ea618f73e
sha1
aace91fe42a8831661e784f4fde0da96094cc3d5
sha256
5e29c4123e8fe5d332469e242b09783265278e788383fdc7d2d8017af1b4440c
sha512
13066c1ac98f13d1c0f861a82b4da0782560a974872e5e2c83fd4a8f8c531762da50e16e5a5e7bcddf5b04a0946ac92622f1802b40ad578d1e898db22dc3bb7f
ripemd-160
539be2ce5bdedaefff4591ec006e829215872e5d
Diameter
242379378
Circumference
761457273.30646
Area
4.6140385069399E+16
Volume
7.455651889201E+24
Surface area
1.845615402776E+17
Circumference
761457273.30646
Perimeter
484758756
Area
14686940719916721
Diagonal
171388101.80358
Surface area
88121644319500326
Volume
1.7799057782081E+24
Space diagonal
209906698.70147
Perimeter
363569067
Area
6.359631883662E+15
Altitude
104953349.35074
Surface area
6.359631883662E+15
Volume
2.0976390760735E+23
Height
57129367.267859