121569138 is an even 9-digits composite number following 121569137
and preceding 121569139 . In scientific notation, it is written as 1.21569138 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 40523040 positive integers (up to 121569138) that are relatively prime to 121569138.
121569138 has 12 divisors, whose sum is 263399838
The reverse of 121569138 is 831965121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-one million five hundred sixty-nine thousand one hundred thirty-eight
Scientific notation
1.21569138 × 10^8
Engineering notation
1.21569138 × 10^6
Prime Factorization
2 × 3 × 3 × 6753841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40523046
Product of the distinct prime numbers
The prime factorization of 121569138 is 2 × 3 × 3 × 6753841.
Since it has a total of 4 prime factors.
5 , 4 , 12 , 59 , 825 , 815 , 5718 , 800 , 73937 , 772 , 990199 , 941983 , 6426584 , 1517276 , 37253614 , 5959375 , 605509857 , 475868097 , 5319964709 , 8850538489
n×2
243138276
n×3
364707414
n×4
486276552
n×5
607845690
n÷2
60784569
n÷3
40523046
n÷3
30392284.5
n÷5
24313827.6
n2
14779055314063044
n3
1.796677014985E+24
n4
2.1842047597614E+32
n5
2.6553188985968E+40
2 √n
11025.83955987
3 √n
495.38301546516
4 √n
105.00399782804
5 √n
41.396599475647
1 , 2 , 3 , 6 , 9 , 18 , 6753841 , 13507682 , 20261523 , 40523046 , 60784569 , 121569138
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121569137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121569138 can be divided by 12 positive divisors.
The sum of these divisors (counting 121569138) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111001111101111111101110010
3
Ternary
22110202100111200
4
Quaternary
13033233331302
5
Quinary
222110203023
6
Senary
20021352030
8
Octal
717577562
10
Decimal
121569138
12
Duodecimal
34868616
16
Hexadecimal
73eff72
20
Vigesimal
1hjg2gi
36
Base36
20dnci
md5
504f9ecf215ab077a242e5742b830259
sha1
391a5387b820e6b2db126deb8aaaabbdf77de809
sha256
5c3ca155e0413a29489a6241d0cde12cd2163398ec73c6ef3b916fa3bfa0c1cf
sha512
b9444f32f2ce966ad98884697ae05a052e467d6d6c3eaafb2ce48be86b7ffa3802729e430d895cf0a27a9214261a5efcca56b7937fdecc042c821dd929f17f1e
ripemd-160
544209b03f64b759645c046180203bc1be87e15f
Diameter
243138276
Circumference
763841421.68809
Area
4.6429771601658E+16
Volume
7.5259030815339E+24
Surface area
1.8571908640663E+17
Circumference
763841421.68809
Perimeter
486276552
Area
14779055314063044
Diagonal
171924723.72561
Surface area
88674331884378264
Volume
1.796677014985E+24
Space diagonal
210563923.64835
Perimeter
364707414
Area
6.399518672957E+15
Altitude
105281961.82418
Surface area
6.399518672957E+15
Volume
2.1174041681631E+23
Height
57308241.241869