121837189 is an odd 9-digits composite number following 121837188
and preceding 121837190 . In scientific notation, it is written as 1.21837189 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 115785936 positive integers (up to 121837189) that are relatively prime to 121837189.
121837189 has 8 divisors, whose sum is 128041760
The reverse of 121837189 is 981738121
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-one million eight hundred thirty-seven thousand one hundred eighty-nine
Scientific notation
1.21837189 × 10^8
Engineering notation
1.21837189 × 10^6
Prime Factorization
43 × 37 × 76579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121837189
Product of the distinct prime numbers
The prime factorization of 121837189 is 43 × 37 × 76579.
Since it has a total of 3 prime factors.
9 , 2 , 1 , 84 , 208 , 930 , 2660 , 9715 , 6427 , 20789 , 153330 , 120597 , 5738911 , 5901621 , 66278512 , 61035517 , 497377614 , 625932828 , 41543598 , 9100443666
n×2
243674378
n×3
365511567
n×4
487348756
n×5
609185945
n÷2
60918594.5
n÷3
40612396.333333
n÷3
30459297.25
n÷5
24367437.8
n2
14844300623421721
n3
1.8085878606286E+24
n4
2.2035326099852E+32
n5
2.6847221907043E+40
2 √n
11037.988448988
3 √n
495.74684255258
4 √n
105.06183155166
5 √n
41.414838687174
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
-121837188
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 121837189 can be divided by 8 positive divisors.
The sum of these divisors (counting 121837189) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000110001011010000101
3
Ternary
22111020222012111
4
Quaternary
13100301122011
5
Quinary
222142242224
6
Senary
20031221021
8
Octal
720613205
10
Decimal
121837189
12
Duodecimal
34977771
16
Hexadecimal
7431685
20
Vigesimal
1i19cj9
36
Base36
20je6d
md5
9dd81df0a1d9a9022e76efc17d89d68e
sha1
f856cd9230026621c2f6ddbbdc715dcc620d2ac1
sha256
9920734929dbee251e20d6b429a2a7770c94d44b898c80dd9eb4a19286868e1b
sha512
1cc1837251e72ef5ffcd17bc0d04bfc2b1652d6a451bff4b85de5d82a084f3f9b3a8556cb4d2cf253a7084bfb718b9163f6fb196ee467bd16cae7b737b384d75
ripemd-160
3e8cad182287d534dc2f78937a57a8f6bc1136a8
Diameter
243674378
Circumference
765525635.79286
Area
4.663474578622E+16
Volume
7.5757951150969E+24
Surface area
1.8653898314488E+17
Circumference
765525635.79286
Perimeter
487348756
Area
14844300623421721
Diagonal
172303805.08521
Surface area
89065803740530326
Volume
1.8085878606286E+24
Space diagonal
211028201.59937
Perimeter
365511567
Area
6.4277707206482E+15
Altitude
105514100.79969
Surface area
6.4277707206482E+15
Volume
2.1314412343703E+23
Height
57434601.695071