12081621 is an odd 8-digits composite number following 12081620
and preceding 12081622 . In scientific notation, it is written as 1.2081621 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 7897344 positive integers (up to 12081621) that are relatively prime to 12081621.
12081621 has 16 divisors, whose sum is 16426944
The reverse of 12081621 is 12618021
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twelve million eighty-one thousand six hundred twenty-one
Scientific notation
1.2081621 × 10^7
Engineering notation
1.2081621 × 10^6
Prime Factorization
3 × 157 × 227 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12081621
Product of the distinct prime numbers
The prime factorization of 12081621 is 3 × 157 × 227 × 113.
Since it has a total of 4 prime factors.
2 , 6 , 34 , 16 , 200 , 394 , 5389 , 5130 , 19300 , 5028 , 785569 , 63446 , 7644188 , 9414541 , 31097222 , 22852723 , 571090328 , 345427386 , 9743740662 , 3867773133
n×2
24163242
n×3
36244863
n×4
48326484
n×5
60408105
n÷2
6040810.5
n÷3
4027207
n÷3
3020405.25
n÷5
2416324.2
n2
145965565987641
n3
1.7635006473132E+21
n4
2.1305946454092E+28
n5
2.5741037010464E+35
2 √n
3475.8626267446
3 √n
229.46074674797
4 √n
58.956446863296
5 √n
26.087054263358
1 , 3 , 113 , 157 , 227 , 339 , 471 , 681 , 17741 , 25651 , 35639 , 53223 , 76953 , 106917 , 4027207 , 12081621
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12081620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12081621 can be divided by 16 positive divisors.
The sum of these divisors (counting 12081621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110000101100111010101
3
Ternary
211201210212110
4
Quaternary
232011213111
5
Quinary
11043102441
6
Senary
1110541233
8
Octal
56054725
10
Decimal
12081621
12
Duodecimal
4067819
16
Hexadecimal
b859d5
20
Vigesimal
3fa411
36
Base36
76y8l
md5
b1a2eeaa52cb60a671c8709fb18fe13d
sha1
c9e991f75dc80da73d9f3057093bef5ec8305668
sha256
8f2f2f1ba54914cafa6bc47fb8938463117e87fbb4ea85e5128b98dffecbf7ef
sha512
de30edd23f03d3edbea1cf0d75abdfc349ecd3ff84fca7a0150fa5cfbe07db3e93a55b72b35a39251c691dac0c6597ac02e2db99688e29932018372f8c1044a9
ripemd-160
4386eb6dee894f55032c407c7cbfdc726527b6e6
Diameter
24163242
Circumference
75911063.554112
Area
4.5856434978385E+14
Volume
7.3869342375999E+21
Surface area
1.8342573991354E+15
Circumference
75911063.554112
Perimeter
48326484
Area
145965565987641
Diagonal
17085992.273652
Surface area
875793395925846
Volume
1.7635006473132E+21
Space diagonal
20925981.409791
Perimeter
36244863
Area
63204944111535
Altitude
10462990.704896
Surface area
63204944111535
Volume
2.0783054439033E+20
Height
5695330.7578839