121921641 is an odd 9-digits composite number following 121921640
and preceding 121921642 . In scientific notation, it is written as 1.21921641 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 79057440 positive integers (up to 121921641) that are relatively prime to 121921641.
121921641 has 12 divisors, whose sum is 176296068
The reverse of 121921641 is 146129121
Previous prime number is 13373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-one million nine hundred twenty-one thousand six hundred forty-one
Scientific notation
1.21921641 × 10^8
Engineering notation
1.21921641 × 10^6
Prime Factorization
3 × 3 × 13373 × 1013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40640547
Product of the distinct prime numbers
The prime factorization of 121921641 is 3 × 3 × 13373 × 1013.
Since it has a total of 4 prime factors.
9 , 4 , 22 , 86 , 84 , 534 , 1677 , 5367 , 24800 , 39502 , 137336 , 515623 , 8975097 , 3598188 , 31001148 , 89652104 , 357956714 , 446891874 , 2984423304 , 2727462583
n×2
243843282
n×3
365764923
n×4
487686564
n×5
609608205
n÷2
60960820.5
n÷3
40640547
n÷3
30480410.25
n÷5
24384328.2
n2
14864886544132881
n3
1.8123513607395E+24
n4
2.2096485196994E+32
n5
2.6940397355498E+40
2 √n
11041.813302171
3 √n
495.86135915468
4 √n
105.08003284245
5 √n
41.420578472616
1 , 3 , 9 , 1013 , 3039 , 9117 , 13373 , 40119 , 120357 , 13546849 , 40640547 , 121921641
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
-121921640
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 121921641 can be divided by 12 positive divisors.
The sum of these divisors (counting 121921641) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010001000110000001101001
3
Ternary
22111102021001100
4
Quaternary
13101012001221
5
Quinary
222202443031
6
Senary
20033112013
8
Octal
721060151
10
Decimal
121921641
12
Duodecimal
349b8609
16
Hexadecimal
7446069
20
Vigesimal
1i20421
36
Base36
20l7c9
md5
bdc96b92b9615b0a2845e1b8fbf07127
sha1
0c38a29e1cf1a911a94b49308b3d401f2e5c1d9a
sha256
69f0044076543605cd8a8dd60493e8e03e8db13a0ee0a990b4a4cd907b7e3b7f
sha512
5150a624fb39b91023e8d0c3913b2ccdaee12318a602425fc68bce236ecc2a3fe8744d16582e19e0a84f74cbd5994f6d0e565381536962b8a357fd4b755b5e9f
ripemd-160
6962521cf89e75d4fdb6bdaf4f4125e2a12d2c39
Diameter
243843282
Circumference
766056263.35842
Area
4.6699418363494E+16
Volume
7.5915596274969E+24
Surface area
1.8679767345397E+17
Circumference
766056263.35842
Perimeter
487686564
Area
14864886544132881
Diagonal
172423238.24898
Surface area
89189319264797286
Volume
1.8123513607395E+24
Space diagonal
211174476.75417
Perimeter
365764923
Area
6.4366846857963E+15
Altitude
105587238.37709
Surface area
6.4366846857963E+15
Volume
2.1358765617859E+23
Height
57474412.749661