20121139 is an odd 8-digits composite number following 20121138
and preceding 20121140 . In scientific notation, it is written as 2.0121139 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19472040 positive integers (up to 20121139) that are relatively prime to 20121139.
20121139 has 4 divisors, whose sum is 20770240
The reverse of 20121139 is 93112102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand one hundred thirty-nine
Scientific notation
2.0121139 × 10^7
Engineering notation
2.0121139 × 10^6
Prime Factorization
31 × 649069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121139
Product of the distinct prime numbers
The prime factorization of 20121139 is 31 × 649069.
Since it has a total of 2 prime factors.
7 , 6 , 16 , 62 , 143 , 337 , 4960 , 8961 , 59871 , 9648 , 611281 , 803735 , 3377611 , 8255029 , 27516182 , 83706226 , 838690446 , 491887750 , 4962095017 , 408205673
n×2
40242278
n×3
60363417
n×4
80484556
n×5
100605695
n÷2
10060569.5
n÷3
6707046.3333333
n÷3
5030284.75
n÷5
4024227.8
n2
404860234657321
n3
8.1462490571126E+21
n4
1.6391180960678E+29
n5
3.2980923048396E+36
2 √n
4485.659260354
3 √n
271.9886952842
4 √n
66.975064466964
5 √n
28.888867184877
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121139 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011000110011
3
Ternary
1101212021000101
4
Quaternary
1030300120303
5
Quinary
20122334024
6
Senary
1555133231
8
Octal
114603063
10
Decimal
20121139
12
Duodecimal
68a4217
16
Hexadecimal
1330633
20
Vigesimal
65f2gj
36
Base36
bz9kj
md5
96d826b86ed8e5784658e93d52cf5f53
sha1
7f23c050628b31e8f82606389f74db421f52f833
sha256
f292be6d58cbc870c10623769e5322774e30ed0f5a1ed5d73185f9aca8be4ab8
sha512
062c0b70db6b37947f4bbb40b2e59631ecc76b42151ed399a44479b932f6a3486c03d006aa63efa3e63f8f448d65e674450213bc72023609e7d358277cfc5105
ripemd-160
52d08530ad10d9af542da370accc32b52c30c889
Diameter
40242278
Circumference
126424844.92852
Area
1.2719059389301E+15
Volume
3.4122928256184E+22
Surface area
5.0876237557203E+15
Circumference
126424844.92852
Perimeter
80484556
Area
404860234657321
Diagonal
28455587.664194
Surface area
2429161407943926
Volume
8.1462490571126E+21
Space diagonal
34850835.054156
Perimeter
60363417
Area
1.7530962409768E+14
Altitude
17425417.527078
Surface area
1.7530962409768E+14
Volume
9.6004465825314E+20
Height
9485195.8880647