121361639 is an odd 9-digits composite number following 121361638
and preceding 121361640 . In scientific notation, it is written as 1.21361639 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 99501336 positive integers (up to 121361639) that are relatively prime to 121361639.
121361639 has 8 divisors, whose sum is 144729600
The reverse of 121361639 is 936163121
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-one million three hundred sixty-one thousand six hundred thirty-nine
Scientific notation
1.21361639 × 10^8
Engineering notation
1.21361639 × 10^6
Prime Factorization
23 × 7 × 753799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121361639
Product of the distinct prime numbers
The prime factorization of 121361639 is 23 × 7 × 753799.
Since it has a total of 3 prime factors.
1 , 9 , 50 , 65 , 60 , 729 , 2764 , 6215 , 1381 , 60181 , 797793 , 728306 , 1271310 , 8736937 , 75043135 , 33433608 , 956220999 , 554127956 , 5401644436 , 4908042957
n×2
242723278
n×3
364084917
n×4
485446556
n×5
606808195
n÷2
60680819.5
n÷3
40453879.666667
n÷3
30340409.75
n÷5
24272327.8
n2
14728647420766321
n3
1.7874927912373E+24
n4
2.1693305484525E+32
n5
2.6327351089296E+40
2 √n
11016.425872305
3 √n
495.10100853372
4 √n
104.95916287921
5 √n
41.382458347922
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
-121361638
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 121361639 can be divided by 8 positive divisors.
The sum of these divisors (counting 121361639) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110111101010011100111
3
Ternary
22110100210212112
4
Quaternary
13032331103213
5
Quinary
222032033024
6
Senary
20013111235
8
Octal
716752347
10
Decimal
121361639
12
Duodecimal
3478851b
16
Hexadecimal
73bd4e7
20
Vigesimal
1hia41j
36
Base36
20978n
md5
9bd13cc53fee7f54397ad062ffca243f
sha1
75e948e60ab6ba25225ed113edad40cd9baaab1c
sha256
f58471446324290ee4e5749fe5790e293fb1c8c524b349ef605a0741b7295c9f
sha512
6e5f1c317120729b5994eb640a68e87b13d050fed184d2e2be7d228935c47f2e0b22e1a4331085c8d42dfd8c439704ace6bfa62cad5abd0efea3818aaacd5a6c
ripemd-160
5ca60eb0070175ddb5268c6edf49991bbdf8b398
Diameter
242723278
Circumference
762537667.02003
Area
4.6271410534394E+16
Volume
7.4874322950612E+24
Surface area
1.8508564213757E+17
Circumference
762537667.02003
Perimeter
485446556
Area
14728647420766321
Diagonal
171631275.82563
Surface area
88371884524597926
Volume
1.7874927912373E+24
Space diagonal
210204524.83783
Perimeter
364084917
Area
6.3776914148839E+15
Altitude
105102262.41892
Surface area
6.3776914148839E+15
Volume
2.1065804566766E+23
Height
57210425.275209